Inst

anta

neou

s di

scha

rge,

in c

ubic

fee

t per

sec

ond

0

1000

2000

3000

4000

5000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Aquatic Life Standard 5.0

Dis

solv

ed o

xyge

n,

in m

illig

ram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Aquatic Life Standard 6.5 to 9.0

pH,

in s

tand

ard

units

4

6

8

10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Aquatic Life Standard 6.5 to 9.0

pH, l

abor

ator

y,

in s

tand

ard

units

4

6

8

10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Spec

ific

con

duct

ance

, lab

orat

ory,

in m

icro

siem

ens

per

cent

imet

er

0

500

1000

1500

2000

2500

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Spec

ific

con

duct

ance

,

in m

icro

siem

ens

per

cent

imet

er

0

500

1000

1500

2000

2500

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Aquatic Life Mar - Nov, Warm Season Std 28.6Aquatic Life Dec - Feb, Cool Season Std 14.3

Tem

pera

ture

, wat

er,

degr

ees

Cel

sius

0

10

20

30

40

50

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data, Cool Season Std Current Data, Warm Season Std

Historic Data, Cool Season Std Historic Data, Warm Season Std

Tur

bidi

ty, w

ater

, unf

ilter

ed, m

onoc

hrom

e ne

ar in

fra-

red

in n

ephe

lom

etri

c tu

rbid

ity u

nits

0

200

400

600

800

1000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Bio

chem

ical

oxy

gen

dem

and,

unf

ilter

ed,

5 da

ys a

t 20

degr

ees

Cel

sius

, in

mill

igra

ms

per

liter

0

5

10

15

20

25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Lowess

Dis

solv

ed s

olid

s dr

ied

at 1

80 d

egre

es C

,

in m

illig

ram

s pe

r lit

er

0

150

300

450

600

750

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Har

dnes

s,

in m

illig

ram

s pe

r lit

er

0

100

200

300

400

500

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Susp

ende

d so

lids,

in m

illig

ram

s pe

r lit

er

0

500

1000

1500

2000

2500

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Censored Data Current Data

Historic Censored Data Historic DataLowess

Cal

cium

,

in m

illig

ram

s pe

r lit

er

0

50

100

150

200

250

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Mag

nesi

um,

in m

illig

ram

s pe

r lit

er

0

5

10

15

20

25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Pota

ssiu

m,

in m

illig

ram

s pe

r lit

er

0

1

2

3

4

5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Sodi

um,

in m

illig

ram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Aci

d ne

utra

lizin

g ca

paci

ty,

in m

illig

ram

s pe

r lit

er

0

50

100

150

200

250

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data Lowess

Alk

alin

ity,

in m

illig

ram

s pe

r lit

er

0

20

40

60

80

100

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data

Alk

alin

ity, i

nfle

ctio

n-po

int t

itrat

ion,

in m

illig

ram

s pe

r lit

er

0

100

200

300

400

500

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Bic

arbo

nate

,

in m

illig

ram

s pe

r lit

er

0

50

100

150

200

250

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Car

bona

te,

in m

illig

ram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Human Health Based Water Supply Chronic Standard 250

Chl

orid

e,

in m

illig

ram

s pe

r lit

er

0

100

200

300

400

500

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Fluo

ride

,

in m

illig

ram

s pe

r lit

er

0

0.5

1

1.5

2

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data Lowess

Sulf

ate,

in m

illig

ram

s pe

r lit

er

0

50

100

150

200

250

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Am

mon

ia p

lus

orga

nic

nitr

ogen

,

unfi

ltere

d, in

mill

igra

ms

per

liter

0

0.5

1

1.5

2

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Lowess

Aquatic Life Chronic Standard 1.3Aquatic Life Acute Standard 3.4

Am

mon

ia n

itrog

en,

in m

illig

ram

s pe

r lit

er

0

1

2

3

4

5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data

Am

mon

ia, u

nfilt

ered

,

in m

illig

ram

s pe

r lit

er

0

0.5

1

1.5

2

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Censored Data Current Data

Historic Censored Data Historic DataLowess

Human Health Based Water Supply Acute Standard 10.0

Nitr

ite p

lus

nitr

ate,

in m

illig

ram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Nitr

ate

plus

nitr

ite, u

nfilt

ered

,

in m

illig

ram

s pe

r lit

er

0

1

2

3

4

5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Human Health Based Water Supply Acute Standard 10.0

Nitr

ate,

in m

illig

ram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data Lowess

Aquatic Life Standard 0.50

Nitr

ite n

itrog

en,

in m

illig

ram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Nitr

ite, u

nfilt

ered

,

in m

illig

ram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ort

hoph

osph

ate,

in m

illig

ram

s pe

r lit

er

0

0.5

1

1.5

2

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data Lowess

Ort

hoph

osph

ate,

unf

ilter

ed,

in m

illig

ram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Aquatic Life Chronic Standard 0.17

Phos

phor

us, u

nfilt

ered

,

in m

illig

ram

s pe

r lit

er

0

2

4

6

8

10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Tot

al n

itrog

en, u

nfilt

ered

,

in m

illig

ram

s pe

r lit

er

0

2

4

6

8

10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Recreational Standard 126

Esc

heri

chia

col

i, D

efin

ed S

ubst

rate

Tec

hnol

ogy,

in c

olon

ies

per

100

mill

ilite

rs

0

10000

20000

30000

40000

50000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Recreational Standard 126

Esc

heri

chia

col

i,

in c

olon

ies

per

100

mill

ilite

rs

0

10000

20000

30000

40000

50000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Lowess

Feca

l col

ifor

m, M

-FC

MF,

in c

olon

ies

per

100

mill

ilite

rs

0

15000

30000

45000

60000

75000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Lowess

Feca

l str

epto

cocc

i,

in c

olon

ies

per

100

mill

ilite

rs

0

15000

30000

45000

60000

75000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data Lowess

Tot

al c

olif

orm

, Def

ined

Sub

stra

te T

echn

olog

y,

in c

olon

ies

per

100

mill

ilite

rs

0

50000

100000

150000

200000

250000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Aquatic Life Chronic Standard 1,438Aquatic Life Acute Standard 10,071

Alu

min

um,

in m

icro

gram

s pe

r lit

er

0

10

20

30

40

50

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Aquatic Life Chronic Standard 1,438Aquatic Life Acute Standard 10,071

Alu

min

um, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0

5000

10000

15000

20000

25000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Aquatic Life Chronic Standard 0.81Aquatic Life Acute Standard 5.8

Cad

miu

m,

in m

icro

gram

s pe

r lit

er

0.0

1.5

3.0

4.5

6.0

7.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Censored Data Current Data

Historic Censored Data Historic Data

Cad

miu

m, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Aquatic Life Chronic Standard 11.0Aquatic Life Acute Standard 16.0

Chr

omiu

m(V

I),

in m

icro

gram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Reach Specific Chronic Standard 150

Chr

omiu

m,

in m

icro

gram

s pe

r lit

er

0.0

1.5

3.0

4.5

6.0

7.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Chr

omiu

m, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0

10

20

30

40

50

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Censored Data Current Data

Historic Censored Data Historic DataLowess

Aquatic Life Chronic Standard 18.7Aquatic Life Acute Standard 30.3

Cop

per,

in m

icro

gram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data Lowess

Cop

per,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0

50

100

150

200

250

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Human Health Based Water Supply Chronic Standard 300

Iron

,

in m

icro

gram

s pe

r lit

er

0

500

1000

1500

2000

2500

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data

Aquatic Life Chronic Standard 1,000

Iron

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0

10000

20000

30000

40000

50000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Aquatic Life Chronic Standard 6.3Aquatic Life Acute Standard 163

Lea

d,

in m

icro

gram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data

Lea

d, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0

50

100

150

200

250

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data Lowess

Human Health Based Water Supply Chronic Standard 50.0

Man

gane

se,

in m

icro

gram

s pe

r lit

er

0

50

100

150

200

250

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data Lowess

Man

gane

se, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0

1000

2000

3000

4000

5000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data Lowess

Aquatic Life Chronic Standard 0.010

Mer

cury

,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Aquatic Life Chronic Standard 0.010

Mer

cury

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Censored Data Current Data

Historic Censored Data Historic Data

Mol

ybde

num

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Aquatic Life Chronic Standard 108Aquatic Life Acute Standard 970

Nic

kel,

in m

icro

gram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data

Nic

kel,

unfi

ltere

d,

in m

icro

gram

s pe

r lit

er

0

20

40

60

80

100

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Aquatic Life Chronic Standard 1.4Aquatic Life Acute Standard 8.9

Silv

er,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Censored Data Historic Censored Data

Historic Data

Silv

er, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Censored Data Current Data

Historic Censored Data Historic Data

Aquatic Life Chronic Standard 265Aquatic Life Acute Standard 350

Zin

c,

in m

icro

gram

s pe

r lit

er

0

10

20

30

40

50

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data Lowess

Zin

c, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0

150

300

450

600

750

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data Lowess

Chronic Standard 150 Acute Standard 340

Ars

enic

,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data

Chronic Standard 10.0

Ars

enic

, unf

ilter

ed

in m

icro

gram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Censored Data

Historic Data Lowess

Agriculture Chronic Standard 0.75

Bor

on,

in m

icro

gram

s pe

r lit

er

0

50

100

150

200

250

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Agriculture Chronic Standard 0.75

Bor

on, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0

50

100

150

200

250

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Censored Data Current Data

Historic Data Lowess

Cya

nide

, unf

ilter

ed,

in m

illig

ram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Censored Data Current Data

Historic Censored Data

Aquatic Life Chronic Standard 4.6Aquatic Life Acute Standard 18.4

Sele

nium

,

in m

icro

gram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

Sele

nium

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess

1,4-

Dic

hlor

oben

zene

,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

1,4-

Dic

hlor

oben

zene

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

1-N

apht

hol,

in m

icro

gram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

2,4,

6-T

rich

loro

phen

ol, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

2,4-

Dic

hlor

ophe

nol,

unfi

ltere

d,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

2,4-

Dim

ethy

lphe

nol,

unfi

ltere

d,

in m

icro

gram

s pe

r lit

er

0.0

0.2

0.4

0.6

0.8

1.0

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2,6-

Die

thyl

anili

ne,

in m

icro

gram

s pe

r lit

er

0.0000

0.0015

0.0030

0.0045

0.0060

0.0075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2-C

hlor

o-2,

6-di

ethy

lace

tani

lide,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2-C

hlor

o-4-

isop

ropy

lam

ino-

6-am

ino-

s-tr

iazi

ne,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

2-E

thyl

-6-m

ethy

lani

line,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2-M

ethy

l-4,

6-di

nitr

ophe

nol,

unfi

ltere

d,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

3,4-

Dic

hlor

oani

line,

in m

icro

gram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

3,5-

Dic

hlor

oani

line,

in m

icro

gram

s pe

r lit

er

0.000

0.001

0.002

0.003

0.004

0.005

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

4-C

hlor

o-2-

met

hylp

heno

l,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

4-C

hlor

o-3-

met

hylp

heno

l, un

filte

red,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

4-N

itrop

heno

l, un

filte

red,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ace

toch

lor,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Ala

chlo

r,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Ald

rin,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

alph

a-E

ndos

ulfa

n,

in m

icro

gram

s pe

r lit

er

0.0000

0.0015

0.0030

0.0045

0.0060

0.0075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

alph

a-E

ndos

ulfa

n, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

alph

a-H

CH

,

in m

icro

gram

s pe

r lit

er

0.000

0.001

0.002

0.003

0.004

0.005

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Atr

azin

e,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Azi

npho

s-m

ethy

l,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Ben

flur

alin

,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Bro

mac

il,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

But

ylat

e,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Cam

phor

,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Car

bary

l,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Car

bazo

le,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Car

bofu

ran,

in m

icro

gram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Chl

orda

ne (

tech

nica

l), u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Chl

orpy

rifo

s,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

cis-

Perm

ethr

in,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

cis-

Prop

icon

azol

e,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Cya

nazi

ne,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Cyf

luth

rin,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Cyp

erm

ethr

in,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

DC

PA,

in m

icro

gram

s pe

r lit

er

0.000

0.002

0.004

0.006

0.008

0.010

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Des

ulfi

nylf

ipro

nil a

mid

e,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Des

ulfi

nylf

ipro

nil,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Dia

zino

n,

in m

icro

gram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Dia

zoxo

n,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Dic

hlor

vos,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Dic

roto

phos

,

in m

icro

gram

s pe

r lit

er

0.00

0.02

0.04

0.06

0.08

0.10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Die

ldri

n,

in m

icro

gram

s pe

r lit

er

0.000

0.002

0.004

0.006

0.008

0.010

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Die

ldri

n, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Dim

etho

ate,

in m

icro

gram

s pe

r lit

er

0.0000

0.0015

0.0030

0.0045

0.0060

0.0075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Dis

ulfo

ton

sulf

one,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Dis

ulfo

ton,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

End

osul

fan

sulf

ate,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

End

rin,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

EPT

C,

in m

icro

gram

s pe

r lit

er

0.0000

0.0015

0.0030

0.0045

0.0060

0.0075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Eth

alfl

ural

in,

in m

icro

gram

s pe

r lit

er

0.000

0.002

0.004

0.006

0.008

0.010

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Eth

ion

mon

oxon

,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Eth

ion,

in m

icro

gram

s pe

r lit

er

0.000

0.002

0.004

0.006

0.008

0.010

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Eth

opro

p,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Fena

mip

hos

sulf

one,

in m

icro

gram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Fena

mip

hos

sulf

oxid

e,

in m

icro

gram

s pe

r lit

er

0.00

0.02

0.04

0.06

0.08

0.10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Fena

mip

hos,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Fipr

onil

sulf

ide,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Fipr

onil

sulf

one,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Fipr

onil,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Fono

fos,

in m

icro

gram

s pe

r lit

er

0.000

0.001

0.002

0.003

0.004

0.005

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Hep

tach

lor

epox

ide,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Hep

tach

lor,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Hex

achl

orob

enze

ne, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Hex

azin

one,

in m

icro

gram

s pe

r lit

er

0.000

0.002

0.004

0.006

0.008

0.010

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Ipro

dion

e,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Isof

enph

os,

in m

icro

gram

s pe

r lit

er

0.0000

0.0015

0.0030

0.0045

0.0060

0.0075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

lam

bda-

Cyh

alot

hrin

,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Lin

dane

,

in m

icro

gram

s pe

r lit

er

0.000

0.001

0.002

0.003

0.004

0.005

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Lin

dane

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Lin

uron

,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Mal

aoxo

n,

in m

icro

gram

s pe

r lit

er

0.00

0.02

0.04

0.06

0.08

0.10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Mal

athi

on,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Met

alax

yl,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Met

alax

yl,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Met

hida

thio

n,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Met

hyl p

arao

xon,

in m

icro

gram

s pe

r lit

er

0.00

0.02

0.04

0.06

0.08

0.10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Met

hyl p

arat

hion

,

in m

icro

gram

s pe

r lit

er

0.000

0.002

0.004

0.006

0.008

0.010

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Met

olac

hlor

, filt

ered

,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Met

ribu

zin,

in m

icro

gram

s pe

r lit

er

0.00

0.02

0.04

0.06

0.08

0.10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Mir

ex, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Mol

inat

e,

in m

icro

gram

s pe

r lit

er

0.000

0.001

0.002

0.003

0.004

0.005

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Myc

lobu

tani

l,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

DE

ET

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Nap

ropa

mid

e,

in m

icro

gram

s pe

r lit

er

0.0000

0.0015

0.0030

0.0045

0.0060

0.0075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Oxy

fluo

rfen

,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

p,p-

DD

D, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

p,p-

DD

E,

in m

icro

gram

s pe

r lit

er

0.000

0.001

0.002

0.003

0.004

0.005

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

p,p-

DD

E, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

p,p-

DD

T, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

p,p-

Met

hoxy

chlo

r, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.000

0.001

0.002

0.003

0.004

0.005

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Para

thio

n,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

p-C

reso

l,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Pebu

late

,

in m

icro

gram

s pe

r lit

er

0.000

0.001

0.002

0.003

0.004

0.005

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Pend

imet

halin

,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Pent

achl

orop

heno

l, un

filte

red,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Phor

ate,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Phos

met

,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Prom

eton

,

in m

icro

gram

s pe

r lit

er

0.00

0.02

0.04

0.06

0.08

0.10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Prom

etry

n,

in m

icro

gram

s pe

r lit

er

0.0000

0.0015

0.0030

0.0045

0.0060

0.0075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Prop

achl

or,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Prop

anil,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Prop

argi

te,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Prop

yzam

ide,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Sim

azin

e,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Teb

ucon

azol

e,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Teb

uthi

uron

,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Tef

luth

rin,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Ter

baci

l,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Ter

bufo

s,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Ter

buth

ylaz

ine,

in m

icro

gram

s pe

r lit

er

0.000

0.002

0.004

0.006

0.008

0.010

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Thi

oben

carb

,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Tox

aphe

ne, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

tran

s-Pr

opic

onaz

ole,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Tri

alla

te,

in m

icro

gram

s pe

r lit

er

0.0000

0.0005

0.0010

0.0015

0.0020

0.0025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Tri

buph

os,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Tri

flur

alin

,

in m

icro

gram

s pe

r lit

er

0.000

0.005

0.010

0.015

0.020

0.025

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

PCB

s, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

1,2,

4-T

rich

loro

benz

ene,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

1,2-

Dic

hlor

oben

zene

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

1,2-

Dip

heny

lhyd

razi

ne, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

1,3-

Dic

hlor

oben

zene

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

1-M

ethy

lnap

htha

lene

,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2,4-

Din

itrop

heno

l, un

filte

red,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2,4-

Din

itrot

olue

ne, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2,6-

Dim

ethy

lnap

htha

lene

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2,6-

Din

itrot

olue

ne, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2-C

hlor

onap

htha

lene

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2-C

hlor

ophe

nol,

unfi

ltere

d,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2-M

ethy

lnap

htha

lene

,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

2-N

itrop

heno

l, un

filte

red,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

3,3-

Dic

hlor

oben

zidi

ne, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

3-be

ta-C

opro

stan

ol,

in m

icro

gram

s pe

r lit

er

0

2

4

6

8

10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

3-M

ethy

l-1H

-ind

ole,

in m

icro

gram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

3-te

rt-B

utyl

-4-h

ydro

xyan

isol

e,

in m

icro

gram

s pe

r lit

er

0

2

4

6

8

10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

4-B

rom

ophe

nyl p

heny

l eth

er, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

4-C

hlor

ophe

nyl p

heny

l eth

er, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

4-C

umyl

phen

ol,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

4-n-

Oct

ylph

enol

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

4-N

onyl

phen

ol (

sum

of

all i

som

ers)

,

in m

icro

gram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

4-N

onyl

phen

ol d

ieth

oxyl

ate

(sum

of

all i

som

ers)

,

in m

icro

gram

s pe

r lit

er

0

10

20

30

40

50

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

4-te

rt-O

ctyl

phen

ol d

ieth

oxyl

ate,

in m

icro

gram

s pe

r lit

er

0.0

1.5

3.0

4.5

6.0

7.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

4-te

rt-O

ctyl

phen

ol m

onoe

thox

ylat

e,

in m

icro

gram

s pe

r lit

er

0.0

1.5

3.0

4.5

6.0

7.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

4-te

rt-O

ctyl

phen

ol,

in m

icro

gram

s pe

r lit

er

0.0

1.5

3.0

4.5

6.0

7.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

5-M

ethy

l-1H

-ben

zotr

iazo

le,

in m

icro

gram

s pe

r lit

er

0.0

1.5

3.0

4.5

6.0

7.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

9,10

-Ant

hraq

uino

ne,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

9H-F

luor

ene,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ace

naph

then

e, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ace

naph

thyl

ene,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ace

toph

enon

e,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ace

tyl h

exam

ethy

l tet

rahy

dro

naph

thal

ene,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ant

hrac

ene,

filt

ered

,

in m

icro

gram

s pe

r lit

er

0.00

0.01

0.02

0.03

0.04

0.05

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ant

hrac

ene,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ben

zo[a

]ant

hrac

ene,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ben

zo[a

]pyr

ene,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ben

zo[a

]pyr

ene,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Ben

zo[b

]flu

oran

then

e, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0

1

2

3

4

5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Ben

zo[g

hi]p

eryl

ene,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Ben

zo[k

]flu

oran

then

e, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.2

0.4

0.6

0.8

1.0

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Ben

zoph

enon

e,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Ben

zyl n

-but

yl p

htha

late

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

beta

-Sito

ster

ol,

in m

icro

gram

s pe

r lit

er

0

5

10

15

20

25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

beta

-Stig

mas

tano

l,

in m

icro

gram

s pe

r lit

er

0

4

8

12

16

20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Bis

(2-c

hlor

oeth

oxy)

met

hane

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Bis

(2-c

hlor

oeth

yl)

ethe

r, u

nfilt

ered

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Bis

(2-c

hlor

oiso

prop

yl)

ethe

r, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Bis

(2-e

thyl

hexy

l) p

htha

late

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0

2

4

6

8

10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Caf

fein

e,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Cho

lest

erol

,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Chr

ysen

e, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Cot

inin

e,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Dib

enzo

[a,h

]ant

hrac

ene,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0

1

2

3

4

5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Die

thyl

pht

hala

te, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Dim

ethy

l pht

hala

te, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Di-

n-bu

tyl p

htha

late

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Di-

n-oc

tyl p

htha

late

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

D-L

imon

ene,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Fluo

rant

hene

,

in m

icro

gram

s pe

r lit

er

0.00

0.02

0.04

0.06

0.08

0.10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Fluo

rant

hene

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0

1

2

3

4

5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Hex

achl

orob

utad

iene

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Hex

achl

oroc

yclo

pent

adie

ne, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Hex

achl

oroe

than

e, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Hex

ahyd

rohe

xam

ethy

l cyc

lope

ntab

enzo

pyra

n,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Inde

no[1

,2,3

-cd]

pyre

ne, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Indo

le,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Isob

orne

ol,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Isop

horo

ne,

in m

icro

gram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Isop

horo

ne, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Isop

ropy

lben

zene

,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Isoq

uino

line,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Men

thol

,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Met

hyl s

alic

ylat

e,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Nap

htha

lene

,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Nap

htha

lene

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Nitr

oben

zene

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

N-N

itros

odim

ethy

lam

ine,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.00

0.05

0.10

0.15

0.20

0.25

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

N-N

itros

odi-

n-pr

opyl

amin

e, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

N-N

itros

odip

heny

lam

ine,

unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Org

anic

car

bon,

in m

illig

ram

s pe

r lit

er

0

2

4

6

8

10

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Phen

anth

rene

,

in m

icro

gram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Phen

anth

rene

, unf

ilter

ed,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Phen

ol,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Phen

ol, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0.00

0.04

0.08

0.12

0.16

0.20

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Pyre

ne,

in m

icro

gram

s pe

r lit

er

0.000

0.015

0.030

0.045

0.060

0.075

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Pyre

ne, u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0

1

2

3

4

5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Tet

rach

loro

ethe

ne,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Tri

brom

omet

hane

,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data

Tri

buty

l pho

spha

te,

in m

icro

gram

s pe

r lit

er

0.0

0.2

0.4

0.6

0.8

1.0

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Tri

clos

an,

in m

icro

gram

s pe

r lit

er

0.0

0.5

1.0

1.5

2.0

2.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Tri

ethy

l citr

ate,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Tri

phen

yl p

hosp

hate

,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Tri

s(2-

buto

xyet

hyl)

pho

spha

te,

in m

icro

gram

s pe

r lit

er

0

1

2

3

4

5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Censored Data Historic Data

Tri

s(2-

chlo

roet

hyl)

pho

spha

te,

in m

icro

gram

s pe

r lit

er

0.0

0.1

0.2

0.3

0.4

0.5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Tri

s(di

chlo

rois

opro

pyl)

pho

spha

te,

in m

icro

gram

s pe

r lit

er

0.00

0.15

0.30

0.45

0.60

0.75

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Ura

nium

(na

tura

l), u

nfilt

ered

,

in m

icro

gram

s pe

r lit

er

0

1

2

3

4

5

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Historic Data

Susp

ende

d se

dim

ent,

in m

illig

ram

s pe

r lit

er

0

5000

10000

15000

20000

25000

Date

Oct.1989

Oct.1991

Oct.1993

Oct.1995

Oct.1997

Oct.1999

Oct.2001

Oct.2003

Oct.2005

Oct.2007

Oct.2009

Oct.2011

Oct.2013

Oct.2015

Oct.2017

Figure 48. Distribution of selected water-quality constituents relative to time for

Monument Creek at Bijou St. at Colorado Springs, Co., station 07104905.

Current Data Historic Data

Lowess