usgs...instantaneous discharge, in cubic feet per second 0 1000 2000 3000 4000 5000 date oct. 1989...
TRANSCRIPT
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data
Dis
solv
ed s
olid
s, s
um o
f co
nstit
uent
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Data
Lowess
Susp
ende
d so
lids,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Data
Lowess
Mag
nesi
um,
in m
illig
ram
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Data
Lowess
Pota
ssiu
m,
in m
illig
ram
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data
Sodi
um,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data
Alk
alin
ity, i
nfle
ctio
n-po
int t
itrat
ion,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Data
Car
bona
te,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Data
Lowess
Fluo
ride
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Censored Data
Historic Data Lowess
Silic
a,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data
Reach Specific Chronic Standard 290
Sulf
ate,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Data
Lowess
Aquatic Life Chronic Standard 0.002
Sulf
ide,
unf
ilter
ed,
in m
illig
ram
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Lowess
Aquatic Life Chronic Standard 1.7Aquatic Life Acute Standard 4.4
Am
mon
ia n
itrog
en,
in m
illig
ram
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Censored Data 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data Lowess
Human Health Based Water Supply 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Ort
hoph
osph
ate,
in m
illig
ram
s pe
r lit
er
0
0.2
0.4
0.6
0.8
1
Date
Oct.1989
Oct.1991
Oct.1993
Oct.1995
Oct.1997
Oct.1999
Oct.2001
Oct.2003
Oct.2005
Oct.2007
Oct.2009
Oct.2011
Oct.2013
Oct.2015
Oct.2017
Figure 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
0.04
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data
Phos
phor
us, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Data
Lowess
Tot
al n
itrog
en, u
nfilt
ered
,
in m
illig
ram
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
20000
40000
60000
80000
100000
Date
Oct.1989
Oct.1991
Oct.1993
Oct.1995
Oct.1997
Oct.1999
Oct.2001
Oct.2003
Oct.2005
Oct.2007
Oct.2009
Oct.2011
Oct.2013
Oct.2015
Oct.2017
Figure 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
100000
200000
300000
400000
500000
Date
Oct.1989
Oct.1991
Oct.1993
Oct.1995
Oct.1997
Oct.1999
Oct.2001
Oct.2003
Oct.2005
Oct.2007
Oct.2009
Oct.2011
Oct.2013
Oct.2015
Oct.2017
Figure 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
20000
40000
60000
80000
100000
Date
Oct.1989
Oct.1991
Oct.1993
Oct.1995
Oct.1997
Oct.1999
Oct.2001
Oct.2003
Oct.2005
Oct.2007
Oct.2009
Oct.2011
Oct.2013
Oct.2015
Oct.2017
Figure 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
1.5
3
4.5
6
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Censored Data Current Data
Historic Censored Data Historic DataLowess
Cad
miu
m, u
nfilt
ered
,
in m
icro
gram
s pe
r lit
er
0
1.5
3
4.5
6
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Censored Data
Historic Data Lowess
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Chr
omiu
m, u
nfilt
ered
,
in m
icro
gram
s pe
r lit
er
0
15
30
45
60
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Censored Data Current Data
Historic Censored Data Historic Data
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Censored Data Current Data
Historic Censored Data Historic DataLowess
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Censored Data
Historic Data Lowess
Human Health Based Water Supply Chronic Standard 300
Iron
,
in m
icro
gram
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Censored Data 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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
1.5
3
4.5
6
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Censored Data Current Data
Historic Censored Data Historic DataLowess
Lea
d, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Censored Data
Historic Data Lowess
Man
gane
se, 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Data
Aquatic Life Chronic Standard 108Aquatic Life Acute Standard 971
Nic
kel,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Censored Data Historic Censored Data
Silv
er, 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Censored Data Current Data
Historic Censored Data Historic DataLowess
Zin
c, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Censored Data
Historic Data Lowess
Chronic Standard 10.0
Ars
enic
, unf
ilter
ed
in m
icro
gram
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Censored Data Current Data
Historic Censored Data Historic Data
Chronic Standard 4.8 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Data
Lowess
1,4-
Dic
hlor
oben
zene
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
1,4-
Dic
hlor
oben
zene
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
0.00
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Ala
chlo
r,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Atr
azin
e,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Azi
npho
s-m
ethy
l,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Cam
phor
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Car
bary
l,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Car
bazo
le,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Car
bofu
ran,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Chl
orpy
rifo
s,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
cis-
Perm
ethr
in,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
DC
PA,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Des
ulfi
nylf
ipro
nil a
mid
e,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Des
ulfi
nylf
ipro
nil,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Dia
zino
n,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Die
ldri
n,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Dis
ulfo
ton,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
EPT
C,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Eth
opro
p,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Fipr
onil
sulf
ide,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Fipr
onil
sulf
one,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Fipr
onil,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Hex
achl
orob
enze
ne, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Mal
athi
on,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Met
alax
yl,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Met
hyl p
arat
hion
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Met
olac
hlor
, filt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Met
ribu
zin,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
DE
ET
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
p,p-
DD
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
p-C
reso
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Pebu
late
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Prom
eton
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Prop
argi
te,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Prop
yzam
ide,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Teb
uthi
uron
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Thi
oben
carb
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
1,2-
Dic
hlor
oben
zene
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
1,3-
Dic
hlor
oben
zene
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
1-M
ethy
lnap
htha
lene
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
2,4-
Din
itrot
olue
ne, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
2,6-
Dim
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
2,6-
Din
itrot
olue
ne, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
2-C
hlor
onap
htha
lene
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
2-M
ethy
lnap
htha
lene
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
3-be
ta-C
opro
stan
ol,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
3-M
ethy
l-1H
-ind
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
0.0
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
4-C
umyl
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
4-n-
Oct
ylph
enol
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
4-N
onyl
phen
ol (
sum
of
all i
som
ers)
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
0.0
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
4-te
rt-O
ctyl
phen
ol d
ieth
oxyl
ate,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
4-te
rt-O
ctyl
phen
ol m
onoe
thox
ylat
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
4-te
rt-O
ctyl
phen
ol,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
5-M
ethy
l-1H
-ben
zotr
iazo
le,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
9,10
-Ant
hraq
uino
ne,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
9H-F
luor
ene,
unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Ace
naph
then
e, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Ace
naph
thyl
ene,
unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Ace
toph
enon
e,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Ace
tyl h
exam
ethy
l tet
rahy
dro
naph
thal
ene,
in m
icro
gram
s pe
r lit
er
0.00
0.15
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Ant
hrac
ene,
unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Ben
zo[a
]ant
hrac
ene,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Ben
zo[a
]pyr
ene,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data
Ben
zo[a
]pyr
ene,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Ben
zo[b
]flu
oran
then
e, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Ben
zo[g
hi]p
eryl
ene,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Ben
zo[k
]flu
oran
then
e, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Ben
zyl n
-but
yl p
htha
late
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
beta
-Sito
ster
ol,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
beta
-Stig
mas
tano
l,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Bis
(2-c
hlor
oeth
oxy)
met
hane
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Bis
(2-e
thyl
hexy
l) p
htha
late
, unf
ilter
ed,
in m
icro
gram
s pe
r lit
er
0.0
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Caf
fein
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Chr
ysen
e, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Cot
inin
e,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Dib
enzo
[a,h
]ant
hrac
ene,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Die
thyl
pht
hala
te, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Dim
ethy
l pht
hala
te, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Di-
n-bu
tyl p
htha
late
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Di-
n-oc
tyl p
htha
late
, 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
D-L
imon
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Fluo
rant
hene
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data
Fluo
rant
hene
, 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Hex
achl
orob
utad
iene
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Hex
achl
oroc
yclo
pent
adie
ne, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Hex
achl
oroe
than
e, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Hex
ahyd
rohe
xam
ethy
l cyc
lope
ntab
enzo
pyra
n,
in m
icro
gram
s pe
r lit
er
0.00
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data
Inde
no[1
,2,3
-cd]
pyre
ne, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Indo
le,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Isob
orne
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Isop
horo
ne,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Isop
horo
ne, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Isop
ropy
lben
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Isoq
uino
line,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Men
thol
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Met
hyl s
alic
ylat
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Nap
htha
lene
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Nap
htha
lene
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Nitr
oben
zene
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
N-N
itros
odim
ethy
lam
ine,
unf
ilter
ed,
in m
icro
gram
s pe
r lit
er
0.0
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
N-N
itros
odip
heny
lam
ine,
unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Org
anic
car
bon,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data
Phen
anth
rene
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Phen
anth
rene
, unf
ilter
ed,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Phen
ol,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data
Pyre
ne, u
nfilt
ered
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data Historic Data
Tet
rach
loro
ethe
ne,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Tri
brom
omet
hane
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Tri
buty
l pho
spha
te,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Tri
clos
an,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Tri
phen
yl p
hosp
hate
,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Tri
s(2-
buto
xyet
hyl)
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Tri
s(2-
chlo
roet
hyl)
pho
spha
te,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Tri
s(di
chlo
rois
opro
pyl)
pho
spha
te,
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Censored Data
Ura
nium
(na
tura
l),
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Historic Data
Ura
nium
(na
tura
l), 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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
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 53. Distribution of selected water-quality constituents relative to time for
Fountain Creek at Colorado Springs, Co., station 07105500.
Current Data Historic Data
Lowess