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123
D R A F T O C T 2 1 2 0 0 9 * The author would like to thank Regional Board staff, Joe Luera and interns Yifei Tong, Ryan Thacher, Shentong Lu, and Justin Tang for their assistance in preparing map, tables and graphs. State of California California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment to the Water Quality Control Plan for the Coastal Watersheds of Los Angeles and Ventura Counties to Prohibit On-site Wastewater Disposal Systems in the Malibu Civic Center Area Technical Memorandum #2: Pathogens and Nitrogen in Wastewaters Impair Underlying Groundwater as a Potential Source of Drinking Water by David Koo*

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Page 1: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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* The author would like to thank Regional Board staff, Joe Luera and interns Yifei Tong, Ryan Thacher, Shentong

Lu, and Justin Tang for their assistance in preparing map, tables and graphs.

State of California

California Regional Water Quality Control Board, Los Angeles Region

Draft Technical Staff Report

Evidence in support of an

Amendment to the

Water Quality Control Plan for the Coastal Watersheds

of Los Angeles and Ventura Counties

to Prohibit On-site Wastewater Disposal Systems

in the Malibu Civic Center Area

Technical Memorandum #2: Pathogens and Nitrogen in Wastewaters Impair

Underlying Groundwater as a Potential Source of Drinking Water

by

David Koo*

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Staff revised Table 1, Table 2, Figure 1, and Figure 2, For Attachment 2-1, all tables have been revised and 12 new

tables were added. For Attachment 2-2, all graphs have been revised and 12 new graphs were added. These tables

and graphs, listed below, have been revised or replaced from the draft dated August 6, 2009:

Corrected Tables Page

Table 1: Summary of Groundwater Pollution TM2-5

Table 2: Summary of Groundwater Wells in Malibu Civic Center Area TM2-7

Malibu Administrative Center Well #7b TM2-9

Malibu Administrative Center Well #8 TM2-10

Malibu Country Mart I Well MW-1 TM2-11

Malibu Country Mart I Well MW-2 TM2-12

Malibu Country Mart I Well MW-3 TM2-13

Malibu Country Mart II Well MW-1 TM2-14

Malibu Country Mart II Well MW-2 TM2-15

Malibu Country Mart II Well MW-3 TM2-16

Malibu Country Mart III Well MW-1 TM2-17

Malibu Country Mart III Well MW-2 TM2-18

Malibu Country Mart III Well MW-3 TM2-19

Malibu Creek Plaza Well #1 TM2-20

Malibu Creek Plaza Well #2 TM2-21

Malibu Creek Plaza Well #3 TM2-22

Malibu Creek Plaza Well #4 TM2-23

Malibu Creek Plaza Well #5 TM2-24

Malibu Creek Plaza Well #6 TM2-25

Malibu Lumber ML MW-1, ML MW-2, ML MW-3, ML MW-4, ML MW-5 TM2-26

Malibu Colony Plaza Well #1 TM2-27

Malibu Colony Plaza Well #2 TM2-28

Malibu Colony Plaza Well #3 TM2-29

Malibu Colony Plaza Well #4 TM2-30

Malibu Colony Plaza Well #5 TM2-31

Malibu Civic Center Area Well C-1 TM2-32

Malibu Civic Center Area Well C-2 TM2-33

Malibu Civic Center Area Well MW-5 TM2-34

Malibu Civic Center Area Well P-1 TM2-35

Malibu Civic Center Area Well P-7 TM2-36

Malibu Civic Center Area Well P-9 TM2-37

Malibu Civic Center Area Well SMBRP-1 TM2-38

Malibu Civic Center Area Well SMBRP-2 TM2-39

Malibu Civic Center Area Well SMBRP-3c TM2-40

Malibu Civic Center Area Well SMBRP-6 TM2-41

Malibu Civic Center Area Well SMBRP-7b TM2-42

Malibu Civic Center Area Well SMBRP-8 TM2-43

Malibu Civic Center Area Well SMBRP-9 TM2-44

Malibu Civic Center Area Well SMBRP-10c TM2-45

Malibu Civic Center Area Well SMBRP-11 TM2-46

Malibu Civic Center Area Well SMBRP-12 TM2-47

Malibu Civic Center Area Well SMBRP-13 TM2-48

Malibu Civic Center Area Well SMBRP-14 TM2-49

Malibu Civic Center Area Well SMBRP-15b TM2-50

Malibu Civic Center Area Well SMBRP-16 TM2-51

Malibu Water Pollution Control Plant Well WPCP-1 TM2-52

Malibu Water Pollution Control Plant Well WPCP-2 TM2-53

Malibu Water Pollution Control Plant Well WPCP-3 TM2-54

Malibu Water Pollution Control Plant Well WPCP-4 TM2-55

Malibu Water Pollution Control Plant Well WPCP-5 TM2-56

Malibu Water Pollution Control Plant Well WPCP-6 TM2-57

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Malibu Water Pollution Control Plant Well WPCP-7 TM2-58

Surfrider Beach Well SB-1 TM2-59

Surfrider Beach Well SB-2 TM2-60

Malibu Beach Inn Well MW-1 TM2-61

Malibu Beach Inn Well MW-2 TM2-62

Malibu Beach Inn Well MW-3 TM2-63

Corrected Graphs

Figure 1 – Groundwater wells in the Malibu Civic Center Area TM2-2

Figure 2 – Groundwater Quality Compliance Status TM2-6

Malibu Administrative Center Well #7b TM2-65

Malibu Administrative Center Well #8 TM2-66

Malibu Country Mart I Well MW-1 TM2-67

Malibu Country Mart I Well MW-2 TM2-68

Malibu Country Mart I Well MW-3 TM2-69

Malibu Country Mart II Well MW-1 TM2-70

Malibu Country Mart II Well MW-2 TM2-71

Malibu Country Mart II Well MW-3 TM2-72

Malibu Country Mart III Well MW-1 TM2-73

Malibu Country Mart III Well MW-2 TM2-74

Malibu Country Mart III Well MW-3 TM2-75

Malibu Creek Plaza Well #1 TM2-76

Malibu Creek Plaza Well #2 TM2-77

Malibu Creek Plaza Well #3 TM2-78

Malibu Creek Plaza Well #4 TM2-79

Malibu Creek Plaza Well #5 TM2-80

Malibu Creek Plaza Well #6 TM2-81

Malibu Lumber ML MW-1, ML MW-2, ML MW-3, ML MW-4, ML MW-5 TM2-82

Malibu Colony Plaza Well #1 TM2-83

Malibu Colony Plaza Well #2 TM2-84

Malibu Colony Plaza Well #3 TM2-85

Malibu Colony Plaza Well #4 TM2-86

Malibu Colony Plaza Well #5 TM2-87

Malibu Civic Center Area Well C-1 TM2-88

Malibu Civic Center Area Well C-2 TM2-89

Malibu Civic Center Area Well MW-5 TM2-90

Malibu Civic Center Area Well P-1 TM2-91

Malibu Civic Center Area Well P-7 TM2-92

Malibu Civic Center Area Well P-9 TM2-93

Malibu Civic Center Area Well SMBRP-1 TM2-94

Malibu Civic Center Area Well SMBRP-2 TM2-95

Malibu Civic Center Area Well SMBRP-3c TM2-96

Malibu Civic Center Area Well SMBRP-6 TM2-97

Malibu Civic Center Area Well SMBRP-7b TM2-98

Malibu Civic Center Area Well SMBRP-8 TM2-99

Malibu Civic Center Area Well SMBRP-9 TM2-100

Malibu Civic Center Area Well SMBRP-10c TM2-101

Malibu Civic Center Area Well SMBRP-11 TM2-102

Malibu Civic Center Area Well SMBRP-12 TM2-103

Malibu Civic Center Area Well SMBRP-13 TM2-104

Malibu Civic Center Area Well SMBRP-14 TM2-105

Malibu Civic Center Area Well SMBRP-15b TM2-106

Malibu Civic Center Area Well SMBRP-16 TM2-107

Malibu Beach Inn Well MW-1 TM2-108

Malibu Beach Inn Well MW-2 TM2-109

Malibu Beach Inn Well MW-3 TM2-110

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Surfrider Beach Well SB-1 TM2-111

Surfrider Beach Well SB-2 TM2-112

Malibu Water Pollution Control Plant Well WPCP-1 TM2-113

Malibu Water Pollution Control Plant Well WPCP-2 TM2-114

Malibu Water Pollution Control Plant Well WPCP-3 TM2-115

Malibu Water Pollution Control Plant Well WPCP-4 TM2-116

Malibu Water Pollution Control Plant Well WPCP-5 TM2-117

Malibu Water Pollution Control Plant Well WPCP-6 TM2-118

Malibu Water Pollution Control Plant Well WPCP-7 TM2-119

For comparison purposes, the incorrect tables also are included and marked with a red X. These corrections do not

affect the results, as summarized in Attachment 2-2, and conclusions of Tech Memo #2. Please contact David Koo

at (213) 620-6155 ([email protected]) with any questions or comments you may have.

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Technical Memorandum #2: Pathogens and Nitrogen in Wastewaters Impair Underlying

Groundwater as a Potential Source of Drinking Water

by

David Koo

INTRODUCTION

The City of Malibu (Malibu) is located in Los Angeles County on the north shore of the Santa

Monica Bay, northwest of the City of Los Angeles, California. The boundaries of the Malibu

Civic Center area are shown in Figure 11. There are 392 residential properties and 38 commercial

properties located in the study area. Surface water includes the lower portion of Malibu Creek,

Malibu Lagoon, and Malibu Beach to Malibu Pier State Park.

Wastewater disposal in the City of Malibu falls within the jurisdiction of the Los Angeles

Regional Water Quality Control Board (LARWQCB). The regional application of the Porter-

Cologne Act is through the Water Quality Control Plan – Los Angeles Region (Basin Plan) for

the Coastal Watersheds of Los Angeles and Ventura Counties.

According to the Basin Plan, the Malibu Civic Center area lies within the Malibu Valley

Groundwater Basin. The Basin Plan designates this area as having a Potential Beneficial Use for

Municipal and Domestic Supply (MUN) and Industrial Service Supply (IND).

PURPOSE

The purpose of this study is to determine the extent and severity of contamination of

groundwater that is designated as a potential source of drinking water.

BACKGROUND

In addition to 27 miles of coastline which forms the northwest boundary of Santa Monica Bay

and includes internationally famous Surfrider Beach, Malibu is home to two regionally

significant aquatic resources, Malibu Creek, which drains the southern slope of the mountains,

draining 109 square miles of watershed, and Malibu Lagoon, one of two significant remaining

freshwater estuaries in southern California. Both the creek and lagoon have been identified as

impaired for bacteria and nutrients under section 303(d) of the Clean Water Act.

1 The area subject to the proposed prohibition is referred to as the Malibu Civic Center area (Figure 1). The area

was defined using topographic features and drainage patterns, and encompasses the hydrologic areas of Malibu

Valley (also referred to as the lower Malibu Creek watershed), Winter Canyon, and adjacent coastal strips including

Amarillo Beach, Malibu Beach, Malibu Lagoon, and Malibu Lagoon Beach (aka Surfrider Beach, including First,

Second, and Third Points at Surfrider). For more discussion on the prohibition boundaries defining the Malibu Civic

Center area, refer to the Technical Staff Report Overview and the Environmental Staff Report.

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Figure 1 – Groundwater wells in the Malibu Civic Center Area

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Malibu Civic Center area consists of a low-lying plain along Santa Monica Bay, plus adjacent

steep uplands that rise from sea level to 100 feet, with additional upland areas that rise 500 feet

into the foothills to the Santa Monica Mountains. The area contains some undeveloped parcels

but sustains the largest commercial development in Malibu along with multi-family and single-

family residences that include Malibu Colony, a dense subdivision where houses are built close

together directly on the beach. The Los Angeles County courthouse and library, the county fire

department and county sheriff”s offices are also located in this area, which effectively functions

as Malibu’s town center. Contemporary development is built on what was naturally an estuary-

lagoon and wetlands established within an alluvial plain at the mouth of Malibu Creek. Generally

the water table is 3 to 36 feet below ground surface and depths fluctuate with tidal and seasonal

hydrologic variations.

There are 429 on-site wastewater disposal systems (OWDSs) that serve Malibu Civic Center area.

The LARWQCB, which is responsible for regulating waste discharge in the Los Angeles and

Ventura County, has evidence that OWDSs in proximity to Malibu’s water resources may be

among the factors contributing to poor water quality. There are a total of 38 commercial and 392

residential OWDSs in the Malibu Civic Center area. Some of the systems are old; other systems

are operated at a much greater wastewater flow capacity than what they were originally designed

for.

METHODS AND PROCEDURES

The main steps of this study include the following:

• Collect and review existing information from a variety of sources on groundwater quality

in proximity to the OWDSs from April 19, 1999 to June 12, 2009.

• Analyze the data, for pollutants that are indicators of wastewater – specifically for fecal

coliform, total coliform, ammonia, and nitrogen (nitrate + nitrite).

• Determine the frequency that the groundwater failed to meet drinking water standards –

i.e., Maximum Contaminant Levels (MCLs)2 for fecal coliform, total coliform, ammonia,

and nitrate + nitrite.

2 The United States Environmental Protection Agency (USEPA) provides Drinking Water Health Advisories for

organics, inorganics, radionuclides, and microbiology including total coliform. The MCL goal and MCL for total

coliform is zero and 5%, respectively. In a well used for drinking water, no more than 5% samples analyzed each

month can test positive for total coliform. Every sample that has total coliform must be analyzed for fecal coliform;

no fecal coliform is allowed.

According to Title 22 of the California Code of Regulations, Section 64426.1 Total Coliform MCL “ …..(b) A

public water system is in violation of the total coliform MCL when any of the following occurs: …(2) For a public

water system which collects fewer than 40 samples per month, more than one sample collected during any month is

total coliform-positive; or (3) Any repeat sample is fecal coliform-positive .….”, the MCL for total coliform and

fecal coliformis zero.

The Water Quality Control Plan – Los Angeles Region or Basin Plan provides that “In ground waters used for

domestic or municipal supply (MUN), the concentration of coliform organisms over any seven day period shall be

less than 1.1 MPN/100 ml.

Although the MCL for total coliform and fecal coliform is zero, the detection limit used by a majority of laboratories

for total coliform and fecal coliform is 1.1 MPN/100 ml. Therefore, unless the sample has a zero concentration for

total coliform and fecal coliform, any detection above 1.1 MPN/100 ml means that the sample is above the MCL.

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Staff used two sources of groundwater quality data for this study. They are: (1) the compliance

files under Waste Discharge Requirements (WDRs) issued by the LARWQCB; and (2) “Final

Report – Risk Assessment of Decentralized Wastewater Treatment Systems in High Priority

Areas in the City of Malibu, California” prepared by Stone Environmental, Inc. in August 2004

(2004 Stone Report).

In all, data from a total of 59 groundwater wells shown in Figure 2 are used for this study.

Among the 59 wells, 39 of them are identified in the WDR compliance files and the other 20 are

identified in the 2004 Stone Report. The two sources of data provided a total of 1,016

groundwater sampling results with 7,112 individual analyses.

Groundwater quality data for each well was then entered into spreadsheets. Results were

compared to drinking water standards. Using these spreadsheets, two graphs – one for fecal and

total coliform and the other for nitrogen species – were generated for each well to illustrate the

exceedance from the MCL.

RESULTS

Staff reviewed data for 59 wells in the Malibu Civic Center area that were designed and

constructed for monitoring the quality of groundwater. To examine impairment of groundwater

as a source of drinking water, staff compiled analytical results of testing for pathogen indicators

and nitrogen species, and summarized these results in Table 1. In addition, tables and graphs

summarizing the analytical results of each well are provided in Attachments 2-1 and 2-2,

respectively.

Fecal Coliform

For the 59 groundwater monitoring wells in the Malibu Civic Center area, from April 19, 1999 to

June 12, 2009, a total of 1,016 samples were collected and analyzed for fecal coliform. Results

indicated that out of the 1,016 samples, 383, or 38%, of the samples failed to meet the MCL.

Fifty (50) out of 59, or 85%, of the wells detected fecal coliform that failed to meet the MCL of

0 MPN/100 ml (Most Probable Number per 100 milliliters).

Total Coliform

For the 59 groundwater monitoring wells in the Malibu Civic Center area, from April 19, 1999 to

June 12, 2009, a total of 1,016 samples were collected and analyzed for total coliform. Results

indicated that out of the 1,016 samples, 576, or 57%, of the samples failed to meet the MCL. All

59, or 100%, of the wells detected total coliform that failed to meet the MCL of 1.1 MPN/100 ml.

Nitrate and Nitrite

For the 59 groundwater monitoring wells in Malibu Civic Center area, from April 19, 1999 to

June 12, 2009, a total of 1,012 samples were collected and analyzed for nitrate-nitrogen and

nitrite-nitrogen. Results indicated that out of the 1,012 samples, 322, or 32%, of the samples

failed to meet the MCL of 10 mg/L. Twenty-six (26) out of 59, or 44%, of the wells detected

nitrogen (nitrate and nitrite) that failed to meet theMCL.

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Ammonia plus Nitrate and Nitrite

For the 59 groundwater monitoring wells in the Malibu Civic Center area, from April 19, 1999 to

June 12, 2009, a total of 1,012 samples were collected and analyzed for ammonia. Results

indicated that out of the 1,012 samples, 400, or 40%, of the samples failed to meet the MCL of

10 mg/L. Thirty-six (36) out of 59, or 61%, of the wells detected total nitrogen (ammonia, nitrate

and nitrite) that failed to meet the MCL.

In at least one point in time, all 59 wells demonstrated the presence of pathogens and nitrogen at

levels that exceeded the MCL for drinking water as summarized in Table 2. Although not all

wells were contaminated for each sampling event, of the 59 wells, 50 or 85% of them had fecal

coliform that failed to meet the MCL and all 59 or 100% had total coliform that failed to meet

the MCL. Twenty-six (26) or 44% of the wells had nitrate and nitrite that failed to meet the

MCL. Staff also did an analysis including ammonia plus nitrite and nitrate; when using all three

nitrogen species, 36 or 61% of the wells had nitrogen present that failed to meet the MCL.

Table 1: Summary of Groundwater Pollution

Fecal

Coliform

Total

Coliform Nitrate+Nitrite

Ammonia +

Nitrate+Nitrite

MPN/100mL MPN/100mL mg/L mg/L

MCL 0 0 10 10

Concentration Range 0 - 140,000 0 - 16,000,000 0 - 120 0 - 120

Total Samples Analyzed 1,016 1,016 1,012 1,012

# Samples Failing to

Meet MCL 383 576 322 400

% Samples Failing to

Meet MCL 38% 57% 32% 40%

CONCLUSION

Pathogens and nitrogen in wastewaters released from OWDSs impair underlying

groundwater as a potential source of drinking water. Indicators of pathogen and nitrogen contaminants released by OWDSs substantially impair the

potential use of groundwater as a source of drinking water.

Although groundwater in the Malibu Valley Groundwater Basin and Winter Canyon is not an

existing source of drinking water to the community, groundwater was the community’s drinking

water source up until the early 1960s. In 1963, the County of Los Angeles started delivering

imported water to the area. As a future resource, and also in the event of a disruption of

deliveries of imported water, groundwater in Malibu Civic Center area is an important local

source that the community may need to use. However, continued degradation jeopardizes use of

this local resource for beneficial use of potential MUN (drinking water use).

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Nitr

ate

+ N

itrite

38

%

Fec

al C

olifo

rm

57

%

Tota

l Col

iform

32

%

Am

mon

ia+

Nitr

ate

+ N

itrite

40

%

0%

10

%

20

%

30

%

40

%

50

%

60

%

70

%

80

%

90

%

10

0%

Percentage Compliance

Fig

ure

1 -

Gro

un

dw

ate

r Q

uali

ty C

om

pli

an

ce S

tatu

s

Gro

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to m

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LocationWell

NumbersWell Names

Fecal

Coliform Fail

to Meet MCL

Total

Coliform Fail

to Meet MCL

Nitrate+Nitrite

Fail to Meet

MCL

Ammonia+Nitrate

+Nitrite Fail to

Meet MCL

1 Well #7b Yes Yes Yes Yes

2 Well # 8 Yes Yes Yes Yes

3 Well MW-1 Yes Yes Yes Yes

4 Well MW-2 Yes Yes No No

5 Well MW-3 Yes Yes Yes Yes

6 Well MW-1 No Yes No Yes

7 Well MW-2 Yes Yes No Yes

8 Well MW-3 Yes Yes No Yes

9 Well MW-1 Yes Yes No No

10 Well MW-2 Yes Yes No Yes

11 Well MW-3 Yes Yes No No

12 Well #1 Yes Yes No No

13 Well #2 Yes Yes Yes Yes

14 Well #3 Yes Yes No No

15 Well #4 Yes Yes Yes Yes

16 Well #5 Yes Yes No Yes

17 Well #6 Yes Yes Yes Yes

18 ML MW-1 Yes Yes No No

19 ML MW-2 Yes Yes No No

20 ML MW-3 Yes Yes No Yes

21 ML MW-4 Yes Yes No No

22 ML MW-5 Yes Yes No No

23 Well #1 Yes Yes No Yes

24 Well #2 Yes Yes Yes Yes

25 Well #3 Yes Yes Yes Yes

26 Well #4 Yes Yes Yes Yes

27 Well #5 Yes Yes Yes Yes

28 C-1 Yes Yes No No

29 C-2 Yes Yes No No

30 Well MW-5 Yes Yes Yes Yes

31 Well P-1 No Yes No No

32 Well P-7 Yes Yes No No

33 Well P-9 Yes Yes No No

34 Well SMBRP-1 Yes Yes No No

35 Well SMBRP-2 Yes Yes No No

36 Well SMBRP-3c Yes Yes No No

37 Well SMBRP-6 Yes Yes No No

38 Well SMBRP-7b Yes Yes No No

39 Well SMBRP-8 Yes Yes Yes Yes

40 Well SMBRP-9 Yes Yes Yes Yes

41 Well SMBRP-10c Yes Yes No No

42 Well SMBRP-11 Yes Yes No No

43 Well SMBRP-12 Yes Yes No Yes

44 Well SMBRP-13 Yes Yes No No

45 Well SMBRP-14 Yes Yes No Yes

46 Well SMBRP-15b Yes Yes No No

47 Well SMBRP-16 No Yes No Yes

48 MW1 Yes Yes Yes Yes

49 MW2 Yes Yes Yes Yes

50 MW3 Yes Yes Yes Yes

51 Well SB-1 No Yes Yes Yes

52 Well SB-2 Yes Yes Yes Yes

53 MW-1 No Yes Yes Yes

54 MW-2 No Yes Yes Yes

55 MW-3 No Yes Yes Yes

56 MW-4 Yes Yes Yes Yes

57 MW-5 No Yes Yes Yes

58 MW-6 No Yes Yes Yes

59 MW-7 Yes Yes Yes Yes

Total Number of Wells 59 59 59 59

Number of Wells Fail to

Meet MCL 50 59 26 36

Percentage of Wells Fail

to Meet MCL85% 100% 44% 61%

Malibu Beach Inn

Surfrider Beach

Malibu Colony Plaza

Malibu Study Area

Table 2: Summary of Groundwater Wells in Malibu Civic Center Area

Malibu Administrative

Center

Malibu Country Mart I

Malibu Country Mart II

Malibu Country Mart III

Malibu Creek Plaza

Malibu Water Pollution

Control Plant

Malibu Lumber

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Technical Memorandum #2: Pathogens and Nitrogen in

Wastewaters Impair Underlying Groundwater as a Potential

Source of Drinking Water

Attachment 2-1

Data Tables for 59 Individual Wells

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Para

mete

rE

nte

rococcus

Fecal

Colif

orm

Tota

l

Colif

orm

Am

monia

Nitra

teN

itrite

Org

anic

Nitro

gen

TK

NN

itra

te +

Nitrite

Am

monia

+

Nitra

te +

Nitrite

Unit

(MP

N/1

00m

l)(M

PN

/100m

l)(M

PN

/100m

l)(m

g/l)

(mg/l)

(mg/l)

(mg/l)

(mg/l)

(mg/l)

(mg/l)

MC

L0

010

10

Sam

ple

Date

2/2

4/2

003

2419.2

00

0.4

74

0.1

80

0.2

78

0.7

52

0.1

80.6

54

3/2

5/2

003

2419.2

10

00.6

08

0.0

63

01.2

91.8

98

0.0

63

0.6

71

6/1

2/2

003

00

00.4

30.3

68

00.2

90.7

20.3

68

0.7

98

7/3

0/2

003

00

00.1

79

0.0

45

00.3

13

0.4

92

0.0

45

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# 8

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Page 16: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Well

#2

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PN

/100

ml)

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l)(M

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l)(m

g/l)

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/l)

(mg

/l)

(mg

/l)

(mg

/l)

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/l)

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Nitri

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mo

nia

+

Nitra

te +

Nitri

te

Un

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PN

/100

ml)

(MP

N/1

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l)(M

PN

/10

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l)(m

g/l)

(mg/l)

(mg

/l)

(mg

/l)

(mg

/l)

(mg

/l)

(mg

/l)

MC

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TM2-24

Para

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monia

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mo

nia

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PN

/100

ml)

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l)(M

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l)(m

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ple

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Malib

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Well #

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(MP

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00

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(MP

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2

Mali

bu

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Pla

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Well

#6

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Page 31: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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# 1

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# 2

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Unit

(MP

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4

Page 35: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Page 36: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Page 37: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Page 38: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Page 39: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Page 40: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Page 41: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Page 42: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Page 43: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Page 44: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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11

1/2

0/2

004

12

40

.03

2.3

10.0

20

2.3

32

.36

2/1

7/2

004

10

00

.16

3.7

90

0.3

83

.79

3.9

5

3/1

6/2

004

00

00

.12

4.2

70

0.1

80.7

4.3

9

Well

SM

BR

P-3

c

Mali

bu

Civ

ic C

en

ter

Are

a

Page 45: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

D

R

A

F

T

O

C

T

2

1

2

0

0

9

TM2-41

Para

mete

rE

nte

rococcus

Feca

l C

olif

orm

To

tal C

olif

orm

Am

mon

iaN

itra

teN

itrite

TK

NN

itra

te +

Nitri

teA

mm

onia

+

Nitra

te +

Nitrite

Unit

(MP

N/1

00

ml)

(MP

N/1

00m

l)(M

PN

/100m

l)(m

g/l)

(mg/l)

(mg/l)

(mg/l)

(mg

/l)

(mg/l)

MC

L0

010

10

Sam

ple

Date

4/2

5/2

003

00

13

02

.02

00.3

62.0

22

.02

5/3

0/2

003

16.5

11

26

0.1

60

.33

01

.20.3

30

.49

6/2

7/2

003

02

20.1

60

.21

01

.10.2

10

.37

7/2

4/2

003

10

20.3

60

00.4

40

0.3

6

8/1

9/2

003

00

00.0

50

.22

00.1

40.2

20

.27

9/3

0/2

003

04

110

00

.17

00.4

40.1

70

.17

10

/21/2

003

00

900

00

.27

01

.30.2

70

.27

11

/18/2

003

233

34

00

.93

00

.20.9

30

.93

12

/16/2

003

00

00

1.5

50

0.3

51.5

51

.55

1/2

0/2

004

7.4

02

04

.43

0.0

30

4.4

64

.46

2/1

7/2

004

5.2

00

0.0

56

.88

00.2

76.8

86

.93

3/1

6/2

004

10.7

11

110

0.1

12

.74

00

.30.7

2.8

5

Well

SM

BR

P-6

Malib

u C

ivic

Cen

ter

Are

a

Page 46: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

D

R

A

F

T

O

C

T

2

1

2

0

0

9

TM2-42

Para

me

ter

En

tero

coccus

Fe

cal C

olif

orm

To

tal C

olif

orm

Am

mo

nia

Nitra

teN

itri

teT

KN

Nitra

te +

Nitrite

Am

mo

nia

+

Nitra

te +

Nitrite

Unit

(MP

N/1

00

ml)

(MP

N/1

00m

l)(M

PN

/100

ml)

(mg

/l)

(mg

/l)

(mg

/l)

(mg/l)

(mg/l)

(mg/l)

MC

L0

010

10

Sam

ple

Date

4/2

3/2

00

30

00

0.6

90.1

60

1.4

0.1

60.8

5

5/2

9/2

00

30

00

2.2

90.5

60

0.3

90.5

62.8

5

6/3

0/2

00

30

00

0.7

40

01.7

00.7

4

7/2

1/2

00

329.3

00

0.5

30.0

60

10.0

60.5

9

8/1

8/2

00

32

419

.20

300

0.3

30

00.9

10

0.3

3

9/3

0/2

00

34

.12

40.3

50.1

00.6

0.1

0.4

5

10

/21/2

003

00

00

00

0.4

30

0

11

/18/2

003

19.6

44

0.1

80

00.7

90

0.1

8

12

/15/2

003

00

00.1

70.0

30

0.5

90.0

30

.2

1/1

9/2

00

40

63

50

0.1

0.0

70

0.1

30.0

70.1

7

2/1

6/2

00

40

00

0.4

20.0

30

0.4

90.0

30.4

5

3/1

5/2

00

4691

020

0.0

30.0

20

0.6

70

.70.0

5

Well S

MB

RP

-7b

Ma

lib

u C

ivic

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ter

Are

a

Page 47: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

D

R

A

F

T

O

C

T

2

1

2

0

0

9

TM2-43

Para

mete

rE

nte

rococcu

sF

eca

l C

olif

orm

Tota

l C

olif

orm

Am

mon

iaN

itra

teN

itri

teT

KN

Nitra

te +

Nitrite

Am

mon

ia +

Nitra

te +

Nitrite

Unit

(MP

N/1

00

ml)

(MP

N/1

00m

l)(M

PN

/100m

l)(m

g/l)

(mg

/l)

(mg/l)

(mg/l)

(mg/l)

(mg

/l)

MC

L0

010

10

Sa

mple

Date

4/2

5/2

003

22

80

46.3

00

.33

46.3

46

.3

5/2

9/2

003

24

19

.22

60.2

25

5.6

00

55.6

55.8

2

6/3

0/2

003

10

00.2

61

1.1

00

.28

11.1

11.3

6

7/2

1/2

003

148

.50

11

1.4

46

1.5

01.9

61.5

62.9

4

8/2

0/2

003

00

14

06

3.8

00

.86

63.8

63

.8

9/3

0/2

003

32

30

00.0

44

3.1

00

.45

43.1

43.1

4

10

/21/2

00

324

19

.20

00

31.6

00

.53

31.6

31

.6

11

/18/2

00

38.4

22

23

04

8.1

00.9

48.1

48

.1

12

/16/2

00

324

19

.70

00

2.6

10

0.0

22

.61

2.6

1

1/2

0/2

004

24

19

.26

017

00

48.4

0.0

40

48.4

44

8.4

4

2/1

7/2

004

50

20.0

94

8.6

0.0

20

.18

48.6

24

8.7

1

3/1

6/2

004

10.5

00

0.0

26

0.2

00

.18

0.7

60.2

2

Well S

MB

RP

-8

Ma

lib

u C

ivic

Cen

ter

Are

a

Page 48: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

D

R

A

F

T

O

C

T

2

1

2

0

0

9

TM2-44

Para

me

ter

Ente

rococcu

sF

eca

l C

olif

orm

To

tal C

olif

orm

Am

mon

iaN

itra

teN

itri

teT

KN

Nitra

te +

Nitrite

Am

mon

ia +

Nitra

te +

Nitri

te

Un

it(M

PN

/100

ml)

(MP

N/1

00m

l)(M

PN

/10

0m

l)(m

g/l)

(mg/l)

(mg

/l)

(mg

/l)

(mg/l)

(mg

/l)

MC

L0

010

10

Sa

mp

le D

ate

4/2

3/2

00

30

00

0.0

13

.03

01.1

3.0

33.0

4

5/2

8/2

00

34.1

04

0.4

73

2.1

00

32.1

32

.57

6/2

6/2

00

30

011

0.4

25.8

00.5

22

5.8

26

.2

7/2

1/2

00

32

41

9.2

240

160

00

.29

21.6

00.2

22

1.6

21

.89

8/1

8/2

00

32

41

9.2

05

00

0.0

21

8.7

00.2

91

8.7

18

.72

9/2

9/2

00

36.3

07

01

3.2

00.1

61

3.2

13

.2

10

/20/2

00

31

24

.50

00

31.2

00.1

31.2

31

.2

11

/17/2

00

31

17

500

0.1

52

2.3

00.4

82

2.3

22

.45

12

/15/2

00

30

00

02

1.9

00.4

82

1.9

21

.9

1/1

9/2

00

414

.20

00

30.8

00

30.8

30

.8

2/1

6/2

00

40

00

0.0

93

4.7

0.0

20.1

13

4.7

234

.81

3/1

6/2

00

410

.70

00

.02

38.5

00.2

40.7

38

.52

We

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Page 49: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

D

R

A

F

T

O

C

T

2

1

2

0

0

9

TM2-45

Pa

ram

ete

rE

nte

roco

ccus

Feca

l C

olif

orm

To

tal C

olif

orm

Am

mon

iaN

itra

teN

itri

teT

KN

Nitra

te +

Nitrite

Am

mo

nia

+

Nitra

te +

Nitri

te

Unit

(MP

N/1

00m

l)(M

PN

/10

0m

l)(M

PN

/10

0m

l)(m

g/l)

(mg

/l)

(mg

/l)

(mg/l)

(mg

/l)

(mg

/l)

MC

L0

01

01

0

Sam

ple

Da

te

4/2

4/2

00

30

00

0.0

93.4

10

0.3

53

.41

3.5

5/2

9/2

00

315

7.8

02

0.4

71.6

60

1.1

1.6

62

.13

6/2

6/2

00

30

24

0.0

41.2

70

1.3

1.2

71

.31

7/2

1/2

00

377

0.1

21

30

0.4

40.9

30

2.3

0.9

31

.37

8/1

8/2

00

31

98

6.3

00

0.1

10.6

50

10

.65

0.7

6

9/2

9/2

00

33

3.7

04

00.3

20

2.7

0.3

20

.32

10

/20

/200

312

5.7

22

00.6

70

2.6

0.6

70

.67

11

/17

/200

34

3.5

00

0.0

60

.70

1.4

0.7

0.7

6

12

/15

/200

35

.20

20

0.5

90

1.5

0.5

90

.59

1/1

9/2

00

42

00

01.4

30

0.2

41

.43

1.4

3

2/1

6/2

00

41

00

0.2

61.3

10

1.3

1.3

11

.57

3/1

5/2

00

45

.10

00

.05

1.7

90

.02

1.3

1.8

11

.86

We

ll S

MB

RP

-10

c

Ma

lib

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ivic

Ce

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r A

rea

Page 50: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

D

R

A

F

T

O

C

T

2

1

2

0

0

9

TM2-46

Para

mete

rE

nte

rococcus

Fecal C

olif

orm

Tota

l C

olif

orm

Am

monia

Nitra

teN

itrite

TK

NN

itra

te +

Nitrite

Am

monia

+

Nitra

te +

Nitrite

Unit

(MP

N/1

00m

l)(M

PN

/100m

l)(M

PN

/100m

l)(m

g/l)

(mg/l)

(mg/l)

(mg/l)

(mg/l)

(mg/l)

MC

L0

010

10

Sam

ple

Date

4/2

5/2

003

00

00.0

45.6

60

0.8

55.6

65.7

5/2

8/2

003

2419.2

04

0.3

3.8

50

0.5

13.8

54.1

5

6/2

6/2

003

00

20.0

32.4

80

0.4

92.4

82.5

1

7/2

1/2

003

1203.3

2110

0.3

71.4

80

0.5

21.4

81.8

5

8/1

8/2

003

2419.2

2240

0.1

71.3

50

0.9

81.3

51.5

2

9/2

9/2

003

28.1

47

00.5

50

0.8

0.5

50.5

5

10/2

0/2

003

30

00

0.4

50

0.1

60.4

50.4

5

11/1

8/2

003

013

13

0.1

10.0

90

0.3

80.0

90.2

12/1

6/2

003

70

00

0.2

60

0.2

90.2

60.2

6

1/2

0/2

004

15.3

00

01.5

40.0

30.2

1.5

71.5

7

2/1

7/2

004

50

00.1

10.2

50

0.2

80.2

50.3

6

3/1

5/2

004

20

00.0

43.4

30

0.1

13.4

33.4

7

Well S

MB

RP

-11

Malib

u C

ivic

Cen

ter

Are

a

Page 51: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

D

R

A

F

T

O

C

T

2

1

2

0

0

9

TM2-47

Para

mete

rE

nte

rococcus

Fecal C

olif

orm

Tota

l C

olif

orm

Am

monia

Nitra

teN

itrite

TK

NN

itra

te +

Nitrite

Am

monia

+

Nitra

te +

Nitrite

Unit

(MP

N/1

00m

l)(M

PN

/100m

l)(M

PN

/100m

l)(m

g/l)

(mg

/l)

(mg

/l)

(mg/l)

(mg/l)

(mg

/l)

MC

L0

010

10

Sam

ple

Da

te

4/2

5/2

003

22

50

5.1

40

013

05.1

4

5/2

8/2

003

04

49.2

90

012

09.2

9

6/2

7/2

003

00

010.2

00

12

010.2

7/2

1/2

003

00

08

.60.0

60

11

0.0

68.6

6

8/1

8/2

003

10

06.4

50

012

06.4

5

9/2

9/2

003

00

07.2

60

012

07.2

6

10/2

0/2

003

00

06.2

90

06.5

06.2

9

11/1

7/2

003

00

03.6

60.0

20

8.7

0.0

23.6

8

12/1

5/2

003

12

47.1

90.0

20

9.6

0.0

27.2

1

1/1

9/2

004

02

27.8

20.0

70

22

0.0

77.8

9

2/1

6/2

004

10

00

0.0

30

12

0.0

30.0

3

3/1

5/2

004

00

01.0

10

012

01.0

1

Well

SM

BR

P-1

2

Malib

u C

ivic

Cen

ter

Are

a

Page 52: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

D

R

A

F

T

O

C

T

2

1

2

0

0

9

TM2-48

Para

mete

rE

nte

rococcus

Fecal C

olif

orm

Tota

l C

olif

orm

Am

monia

Nitra

teN

itrite

TK

NN

itra

te +

Nitrite

Am

mon

ia +

Nitra

te +

Nitrite

Unit

(MP

N/1

00m

l)(M

PN

/100m

l)(M

PN

/100m

l)(m

g/l)

(mg/l)

(mg/l)

(mg

/l)

(mg/l)

(mg/l)

MC

L0

010

10

Sam

ple

Date

4/2

2/2

003

34.1

00

0.1

61

00.5

91

1.1

6

5/2

8/2

003

54.8

02

6.0

30.4

90

0.2

80.4

96.5

2

6/2

7/2

003

50

00.1

50.3

00.3

50.3

0.4

5

7/2

1/2

003

00

00.3

80.2

30

0.4

0.2

30.6

1

8/1

8/2

003

20

80.0

90.0

90

0.3

40.0

90.1

8

9/2

9/2

003

5.1

00

0.0

30.0

60

0.6

20.0

60.0

9

10/2

0/2

003

20

00

00

0.1

50

0

11/1

7/2

003

20

20.0

60.0

30

0.2

70.0

30.0

9

12/1

5/2

003

19.9

00

0.1

40.0

20

1.2

0.0

20.1

6

1/1

9/2

004

20

20

0.2

40

00.2

40.2

4

2/1

6/2

004

26

22

0.0

50.4

20

0.4

0.4

20.4

7

3/1

5/2

004

7.4

02

0.0

20.4

10

1.2

0.4

10.4

3

Well S

MB

RP

-13

Malib

u C

ivic

Cen

ter

Are

a

Page 53: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

D

R

A

F

T

O

C

T

2

1

2

0

0

9

TM2-49

Para

mete

rE

nte

rococcus

Fecal C

olif

orm

Tota

l C

olif

orm

Am

monia

Nitra

teN

itrite

TK

NN

itra

te +

Nitrite

Am

monia

+

Nitra

te +

Nitrite

Unit

(MP

N/1

00m

l)(M

PN

/100m

l)(M

PN

/100m

l)(m

g/l)

(mg/l)

(mg/l)

(mg/l)

(mg/l)

(mg/l)

MC

L0

010

10

Sam

ple

Date

4/2

2/2

003

21.1

17000

17000

17.4

00

25

017.4

5/2

8/2

003

91.4

1600

1600

0.2

60

015

00.2

6

6/2

7/2

003

01600

1600

13.1

00

16

013.1

7/2

1/2

003

2419.2

900

1600

23.8

0.1

80

26

0.1

823.9

8

8/1

8/2

003

16.6

220

1600

8.2

30

028

08.2

3

9/2

9/2

003

8.4

1600

1600

21.1

0.0

70

26

0.0

721.1

7

10/2

0/2

003

1300

1600

20.4

00

100

020.4

11/1

7/2

003

5.2

500

1600

15.5

0.0

30.0

233

0.0

515.5

5

12/1

5/2

003

21600

1600

16.4

0.0

20

31

0.0

216.4

2

1/1

9/2

004

22.8

1600

1600

16.2

0.0

50.0

236

0.0

716.2

7

3/1

5/2

004

6.3

1600

1600

0.4

80.0

20

22

0.0

20.5

Well S

MB

RP

-14

Malib

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Are

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Nitri

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Unit

(MP

N/1

00

ml)

(MP

N/1

00

ml)

(MP

N/1

00

ml)

(mg

/l)

(mg

/l)

(mg

/l)

(mg

/l)

(mg/l)

(mg

/l)

MC

L0

01

010

Sa

mp

le D

ate

4/2

5/2

00

367

.60

00.1

40

.91

01

0.9

11.0

5

5/2

8/2

00

32

41

9.2

021

1.2

11

.03

00.4

21

.03

2.2

4

6/2

6/2

00

33

.10

00.0

50

.94

00.2

80

.94

0.9

9

7/2

1/2

00

30

00

0.3

70

.94

00.2

40

.94

1.3

1

8/1

8/2

00

32

02

0.0

51

.31

00.1

81

.31

1.3

6

9/2

9/2

00

30

22

01

.15

00

.41

.15

1.1

5

10/2

0/2

00

30

00

0.1

81

.64

00.4

81

.64

1.8

2

11/1

8/2

00

30

00

01

.56

0.0

30

.41

.59

1.5

9

12/1

5/2

00

30

00

0.0

21

.70

0.6

61.7

1.7

2

1/2

0/2

00

40

00

01

.46

0.0

50

1.5

11.5

1

2/1

7/2

00

49

.10

00.0

91

.24

0.0

60

.21.3

1.3

9

3/1

6/2

00

42

02

0.0

81

.05

0.0

30.2

51

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1.1

6

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Page 55: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Am

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Nitra

te +

Nitri

teA

mm

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Nitra

te +

Nitri

te

Un

it(M

PN

/10

0m

l)(M

PN

/10

0m

l)(M

PN

/100

ml)

(mg

/l)

(mg

/l)

(mg

/l)

(mg

/l)

(mg

/l)

(mg

/l)

MC

L0

01

010

Sa

mp

le D

ate

4/2

3/2

00

333

.30

00

.22

.88

0.4

90

.64

3.3

73

.57

5/2

8/2

00

32

41

9.2

04

6.0

84

.02

0.3

11.2

4.3

31

0.4

1

6/2

6/2

00

329

.20

00

.83

2.3

80

.19

1.6

2.5

73

.4

7/2

1/2

00

35

.20

00

.52

4.5

0.2

40

.56

4.7

45

.26

8/1

8/2

00

32

41

9.2

00

0.0

44

.58

01.1

4.5

84

.62

9/2

9/2

00

342

.80

00

2.7

70

.11.4

2.8

72

.87

10

/20

/20

03

00

00

3.6

60

0.7

33

.66

3.6

6

11

/17

/20

03

3.1

02

0.3

23

0.0

91.5

3.0

93

.41

12

/15

/20

03

10

00

.04

4.1

10

1.1

4.1

14

.15

1/1

9/2

00

40

00

0.0

64

.68

0.0

60.1

4.7

44

.8

2/1

6/2

00

40

02

0.0

45

0.0

30

.99

5.0

35

.07

3/1

5/2

00

41

02

0.0

30

5.1

20

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5

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Page 56: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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ParameterEnteroc

occus

Fecal

Coliform

Total

ColiformAmmonia Nitrate Nitrite

Organic

NitrogenTKN

Nitrate

+ Nitrite

Ammonia

+ Nitrate +

Nitrite

Unit(MPN/1

00ml)

(MPN/1

00ml)

(MPN/1

00ml)(mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l)

MCL 0 0 10 10

Sample

Date

4/19/1999 / 0 0 0 10.3 0 0.108 0.108 10.3 10.3

1/24/2000 / 0 0 0 18.2 0 0 0 18.2 18.2

5/16/2000 / 0 0 0 18.7 0 0 0 18.7 18.7

8/8/2000 / 0 0 0.104 21 0 0.17 0.274 21 21.104

11/14/2000 / 0 0 0 15.3 0 0.168 0.168 15.3 15.3

3/13/2001 / 0 0 0 17.7 0 0 0 17.7 17.7

5/8/2001 / 0 0 0 21.4 0 0 0 21.4 21.4

8/7/2001 / 0 0 0 20.8 0 0.16 0.16 20.8 20.8

10/2/2001 / 0 0 0 16.6 0 0.12 0.12 16.6 16.6

1/22/2002 / 0 0 0.143 18.7 0 0 0.143 18.7 18.843

4/23/2002 / 0 0 0 21.9 0 0.234 0.234 21.9 21.9

7/16/2002 / 0 0 0.0809 25.7 0 0 0.081 25.7 25.7809

10/29/2002 / 0 0 1.09 23.9 0 4.89 5.98 23.9 24.99

2/25/2003 / 0 0 0 30.5 2.4 0.155 0.155 32.9 32.9

5/13/2003 / 0 0 0 22.4 0 0.15 0.15 22.4 22.4

8/26/2003 / 0 0 0 24.2 0.271 0.106 0.106 24.471 24.471

10/21/2003 / 0 0 0.11 31.4 0.353 0 0.11 31.753 31.863

1/13/2004 / 0 0 0 24.8 0.4 0.476 0.476 25.2 25.2

4/13/2004 / 0 0 0 37.9 0 0 0 37.9 37.9

7/13/2004 / 0 0 0.125 31.4 0.076 0 0.125 31.476 31.601

10/5/2004 / 0 0 0 23.26 0.18 0 0 23.44 23.44

1/18/2005 / 0 0 0 27 0 0.382 0.382 27 27

4/12/2005 / 0 0 0 21.6 0 0 0 21.6 21.6

7/19/2005 / 0 0 0 24.839 0.164 0 0 25.003 25.003

10/24/2005 / 0 0 0.108 18.5 0.849 0 0.108 19.349 19.457

1/30/2006 / 0 0 0 28.7 0 0.196 0.196 28.7 28.7

5/8/2006 / 0 0 0 23 0 0 0 23 23

7/31/2006 / 0 800 0 24.2 0.28 0 0 24.48 24.48

1/9/2007 / 0 0 0 24.2 0 0 0 24.2 24.2

4/3/2007 / 0 0 0 17.8 0.067 0.11 0.11 17.867 17.867

7/3/2007 / 0 0 0 7.43 0 0.71 0.71 7.43 7.43

10/9/2007 / 0 0 0 15.8 0 0 0 15.8 15.8

1/8/2008 / 0 0 0 16.6 0 0 0 16.6 16.6

4/22/2008 / 0 0 0 21.6 0 0 0 21.6 21.6

7/15/2008 / 0 0 0 22.5 0 0 0 22.5 22.5

10/20/2008 / 0 0 0.12 20.4 0 0.16 0.28 20.4 20.52

Malibu Water Pollution Control Plant

Well WPCP 1

Page 57: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-53

ParameterEnteroco

ccus

Fecal

Coliform

Total

ColiformAmmonia Nitrate Nitrite

Organic

NitrogenTKN

Nitrate +

Nitrite

Ammonia

+ Nitrate

+ Nitrite

Unit(MPN/10

0ml)

(MPN/10

0ml)

(MPN/10

0ml)(mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l)

MCL 0 0 10 10

Sample

Date

4/19/1999 / 0 0 0 26 0 0 0 26 26

1/24/2000 / 0 0 0 0.657 0 1.06 1.06 0.657 0.657

5/16/2000 / 0 0 0 1.71 0 0 0 1.71 1.71

8/8/2000 / 0 0 0.174 1.09 0 0.578 0.752 1.09 1.264

11/14/2000 / 0 0 0 1.79 0 0.12 0.12 1.79 1.79

3/13/2001 / 0 0 0 0.043 0 0.156 0.156 0.043 0.043

5/8/2001 / 0 0 0 4.4 0 0.4 0.4 4.4 4.4

8/7/2001 / 0 0 0 8.5 0 0 0 8.5 8.5

10/2/2001 / 0 0 0.152 7.9 0 0 0.152 7.9 8.052

1/22/2002 / 0 0 1.61 1.7 0 0.136 1.746 1.7 3.31

4/23/2002 / 0 0 3.3 0.4 0 0.28 3.58 0.4 3.7

7/16/2002 / 0 4 0.143 0 0 5.06 5.203 0 0.143

10/29/2002 / 0 0 2.89 0.535 5.05 1.07 3.96 5.585 8.475

2/25/2003 / 0 0 0.198 4.99 0 0.116 0.314 4.99 5.188

5/13/2003 / 0 0 2.94 0.409 0.344 0 2.94 0.753 3.693

8/26/2003 / 0 0 0.165 5.78 0.405 0.339 0.504 6.185 6.35

10/21/2003 / 0 0 2.22 0.429 0.438 0 2.22 0.867 3.087

1/13/2004 / 0 0 0.343 3.5 0.7 0.481 0.824 4.2 4.543

4/13/2004 / 0 0 3.323 0 0 0 3.323 0 3.323

7/13/2004 / 0 0 0 5.62 0 0 0 5.62 5.62

12/6/2004 / 0 0 0 6.842 0 0.15 0.15 6.842 6.842

1/18/2005 / 0 170 0 9.72 0 1.7 1.7 9.72 9.72

4/12/2005 / 0 34 0 6.95 0 0 0 6.95 6.95

7/19/2005 / 0 0 0 6.684 0 0 0 6.684 6.684

10/24/2005 / 0 0 0 6.98 0 0.415 0.415 6.98 6.98

1/30/2006 / 0 300 0 6.55 0 0.251 0.251 6.55 6.55

5/8/2006 / 0 0 0 6.48 0 0.24 0.24 6.48 6.48

7/31/2006 / 0 230 0 5.76 0 0.206 0.206 5.76 5.76

1/9/2007 / 0 0 0 5.2 0 0 0 5.2 5.2

4/3/2007 / 0 80 0 0.225 0 0.1 0.1 0.225 0.225

7/3/2007 / 0 0 0 4.6 0 0.56 0.56 4.6 4.6

10/9/2007 / 0 0 0 3.6 0 0.2 0.2 3.6 3.6

1/8/2008 / 0 0 0 3.39 0 0.24 0.24 3.39 3.39

4/22/2008 / 0 40 0 2.78 0 0.55 0.55 2.78 2.78

7/15/2008 / 0 0 0 3.77 0 0 0 3.77 3.77

10/20/2008 / 0 0 0 2.8 0 0.21 0.21 2.8 2.8

Malibu Water Pollution Control Plant

Well WPCP 2

Page 58: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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ParameterEnteroco

ccus

Fecal

Coliform

Total

ColiformAmmonia Nitrate Nitrite

Organic

NitrogenTKN

Nitrate +

Nitrite

Ammonia

+ Nitrate

+ Nitrite

Unit(MPN/10

0ml)

(MPN/10

0ml)

(MPN/10

0ml)(mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l)

MCL 0 0 10 10

Sample

Date

4/19/1999 / 0 0 0 16.8 0 0 0 16.8 16.8

1/24/2000 / 0 0 0 13.2 0 0 0 13.2 13.2

5/16/2000 / 0 0 0 15.78 0.23 0 0 16.01 16.01

8/8/2000 / 0 0 0 16.1 0 0.238 0.238 16.1 16.1

11/14/2000 / 0 0 0 19.7 0.47 0 0 20.17 20.17

3/14/2001 / 0 20 0 14.8 0 0.229 0.229 14.8 14.8

5/8/2001 / 0 0 0 12.8 0 0 0 12.8 12.8

8/7/2001 / 0 0 0 12.1 0 0 0 12.1 12.1

10/2/2001 / 0 0 0 10.8 0 0.13 0.13 10.8 10.8

1/22/2002 / 0 0 0.084 16.5 0 0 0.084 16.5 16.584

4/23/2002 / 0 0 0.107 15 0 0.163 0.27 15 15.107

7/16/2002 / 0 0 0 14.5 0 0 0 14.5 14.5

10/29/2002 / 0 0 0.349 14.3 0 0 0.349 14.3 14.649

2/25/2003 / 0 0 0 80.7 0 0 0 80.7 80.7

5/13/2003 / 0 0 0 65.5 0 0 0 65.5 65.5

8/26/2003 / 0 0 0 22.5 0 0 0 22.5 22.5

10/21/2003 / 0 0 0 22.8 0.453 0.38 0.38 23.253 23.253

1/13/2004 / 0 300 0 24.8 1.1 0.31 0.31 25.9 25.9

4/13/2004 / 0 0 0 24.8 0 0.229 0.229 24.8 24.8

7/13/2004 / 0 0 0 19.1 0 0 0 19.1 19.1

12/6/2004 / 0 16,000 0 9.868 0.228 0.37 0.37 10.096 10.096

1/18/2005 / 0 50,000 0 18.6 0 1.03 1.03 18.6 18.6

4/12/2005 / 0 900 0 14.8 0 0 0 14.8 14.8

7/19/2005 / 0 300 0 32.52 0 0 0 32.52 32.52

10/24/2005 / 0 170 0 23.3 0 0.161 0.161 23.3 23.3

1/30/2006 / 0 0 0 37.9 0 0 0 37.9 37.9

5/8/2006 / 0 0 0 43.6 0 0 0 43.6 43.6

7/31/2006 / 0 0 0 47.4 0 0.129 0.129 47.4 47.4

1/9/2007 / 0 0 0 25.1 0 0 0 25.1 25.1

4/3/2007 / 0 0 0 31.6 0 0.1 0.1 31.6 31.6

7/3/2007 / 0 0 0 19.9 0 0.75 0.75 19.9 19.9

10/9/2007 / 0 0 0 13.2 0 0 0 13.2 13.2

1/8/2008 / 0 0 0 11.3 0 0 0 11.3 11.3

4/22/2008 / 0 0 0 11.2 0 0 0 11.2 11.2

7/15/2008 / 0 0 0 19 0 0 0 19 19

10/20/2008 / 0 0 0 11.9 0 0.11 0.11 11.9 11.9

Malibu Water Pollution Control Plant

Well WPCP 3

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TM2-55

ParameterEnteroco

ccus

Fecal

Coliform

Total

ColiformAmmonia Nitrate Nitrite

Organic

NitrogenTKN

Nitrate +

Nitrite

Ammonia

+ Nitrate

+ Nitrite

Unit(MPN/10

0ml)

(MPN/10

0ml)

(MPN/10

0ml)(mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l)

MCL 0 0 10 10

Sample

Date

8/7/2001 / 0 2 0 23 0 0.18 0.18 23 23

10/2/2001 / 0 0 0 16.7 0 0.27 0.27 16.7 16.7

5/16/2000 / 0 0 0 18.7 0 0 0 18.7 18.7

8/8/2000 / 0 0 0.104 21 0 0.17 0.274 21 21.104

11/14/2000 / 0 0 0 15.3 0 0.168 0.168 15.3 15.3

3/13/2001 / 0 0 0 17.7 0 0 0 17.7 17.7

5/8/2001 / 0 0 0 21.4 0 0 0 21.4 21.4

8/7/2001 / 0 0 0 20.8 0 0.16 0.16 20.8 20.8

10/2/2001 / 0 0 0 16.6 0 0.12 0.12 16.6 16.6

1/22/2002 / 0 17 0.092 1.31 0.02 0 0.092 1.33 1.422

4/23/2002 / 0 700 0.12 1.46 0 0.28 0.4 1.46 1.58

7/16/2002 / 0 1,600 0.02 2.57 0 0.29 0.31 2.57 2.59

10/29/2002 / 0 140 0 20.2 0 0 0 20.2 20.2

2/25/2003 / 1,600 1,600 0 9.68 3.19 0 0 12.87 12.87

5/13/2003 / 1 55.2 0 1.75 0 0.907 0.907 1.75 1.75

8/26/2003 / 0 240 0 3.79 0 0 0 3.79 3.79

10/21/2003 / 170 1700 0.637 1.77 0.332 0 0.637 2.102 2.739

1/13/2004 / 0 24,000 0 0.8 0.4 0.367 0.367 1.2 1.2

4/13/2004 / 0 3,000 0 1.98 0 0.309 0.309 1.98 1.98

7/13/2004 / 0 0 0 1.77 0 0.13 0.13 1.77 1.77

10/5/2004 / 0 0 0 24.39 0 0 0 24.39 24.39

1/18/2005 / 0 160,000 0 21 0 0.778 0.778 21 21

4/12/2005 / 0 4 0.127 27.5 0.164 0.241 0.368 27.664 27.791

7/19/2005 / 0 220 0 25.97 0 0 0 25.97 25.97

10/24/2005 / 0 0 0.119 27.1 0.752 0 0.119 27.852 27.971

1/30/2006 / 0 500 0 35.7 0 0 0 35.7 35.7

5/8/2006 / 0 2,400 0 25.1 0 0 0 25.1 25.1

7/31/2006 / 0 9,000 0 26.8 0 0 0 26.8 26.8

1/9/2007 / 0 160,000 0 22.8 0 0 0 22.8 22.8

4/3/2007 / 0 90,000 0 18.1 0 0 0 18.1 18.1

7/3/2007 / 0 160,000 0 6.86 0.48 0.58 0.58 7.34 7.34

10/9/2007 / 0 1,300 0 11.2 0 0.1 0.1 11.2 11.2

1/8/2008 / 0 130 0 12.8 0 0 0 12.8 12.8

4/22/2008 / 0 13,000 0.14 19.4 0 0 0.14 19.4 19.54

7/15/2008 / 0 2,800 0 19.4 0 0 0 19.4 19.4

10/20/2008 / 0 230 0.1 18.2 0 0.16 0.26 18.2 18.3

Malibu Water Pollution Control Plant

Well WPCP 4

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TM2-56

ParameterEnteroco

ccus

Fecal

Coliform

Total

ColiformAmmonia Nitrate Nitrite

Organic

NitrogenTKN

Nitrate +

Nitrite

Ammonia

+ Nitrate

+ Nitrite

Unit(MPN/10

0ml)

(MPN/10

0ml)

(MPN/10

0ml)(mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l)

MCL 0 0 10 10

Sample

Date

8/7/2001 / 0 6 0 13 0 0.11 0.11 13 13

10/2/2001 / 0 0 0 11.5 0 0.167 0.167 11.5 11.5

5/16/2000 / 0 0 0 18.7 0 0 0 18.7 18.7

8/8/2000 / 0 0 0.104 21 0 0.17 0.274 21 21.104

11/14/2000 / 0 0 0 15.3 0 0.168 0.168 15.3 15.3

3/13/2001 / 0 0 0 17.7 0 0 0 17.7 17.7

5/8/2001 / 0 0 0 21.4 0 0 0 21.4 21.4

8/7/2001 / 0 0 0 20.8 0 0.16 0.16 20.8 20.8

10/2/2001 / 0 0 0 16.6 0 0.12 0.12 16.6 16.6

1/22/2002 / 0 4 0.1 13.1 0 0.127 0.227 13.1 13.2

4/23/2002 / 0 50 0 7.79 0 0 0 7.79 7.79

7/16/2002 / 0 23 0 5.4 0 0 0 5.4 5.4

10/29/2002 / 0 20 0.124 10.6 0 0.268 0.392 10.6 10.724

2/25/2003 / 0 0 0 7.83 0 0.18 0.18 7.83 7.83

5/13/2003 / 0 13.4 0 4.45 0 0.142 0.142 4.45 4.45

8/26/2003 / 0 0 0 8.96 0 0.166 0.166 8.96 8.96

10/21/2003 / 0 0 0 3.41 0.545 0.242 0.242 3.955 3.955

1/13/2004 / 0 0 0 1.6 0.5 0.124 0.124 2.1 2.1

4/13/2004 / 0 0 0.103 2.82 0 0 0.103 2.82 2.923

7/13/2004 / 0 0 0 17.2 0 0 0 17.2 17.2

10/5/2004 / 0 0 0 18.58 0 0.153 0.153 18.58 18.58

1/18/2005 / 0 40 0 22.8 0 0.568 0.568 22.8 22.8

4/12/2005 / 0 0 0.159 23.9 0 0.181 0.34 23.9 24.059

7/19/2005 / / / / / / / / / /

10/24/2005 / 0 0 0 30.3 0 0 0 30.3 30.3

1/30/2006 / 0 230 0 36.8 0 0 0 36.8 36.8

5/8/2006 / 0 0 0 27.8 0 0 0 27.8 27.8

7/31/2006 / 0 130 0 29.1 0 0 0 29.1 29.1

1/9/2007 / 0 0 0 26.4 0 0 0 26.4 26.4

4/3/2007 / 0 0 0 23.5 0 0 0 23.5 23.5

7/3/2007 / 0 0 0 14.7 0 0.56 0.56 14.7 14.7

10/9/2007 / 0 0 0 20.7 0 0 0 20.7 20.7

1/8/2008 / 0 0 0 18.8 0 0 0 18.8 18.8

4/22/2008 / 0 0 0 22.3 0 0 0 22.3 22.3

7/15/2008 / 0 0 0 20.8 0 0 0 20.8 20.8

10/20/2008 / 0 0 0 16.7 0 0.13 0.13 16.7 16.7

Malibu Water Pollution Control Plant

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TM2-57

ParameterEnteroco

ccus

Fecal

Coliform

Total

ColiformAmmonia Nitrate Nitrite

Organic

NitrogenTKN

Nitrate +

Nitrite

Ammonia

+ Nitrate

+ Nitrite

Unit(MPN/10

0ml)

(MPN/10

0ml)

(MPN/10

0ml)(mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l)

MCL 0 0 10 10

Sample Date

8/7/2001 / 0 30 0 14.6 0 0 0 14.6 14.6

10/2/2001 / 0 0 0 11.5 0 0.17 0.17 11.5 11.5

5/16/2000 / 0 0 0 18.7 0 0 0 18.7 18.7

8/8/2000 / 0 0 0.104 21 0 0.17 0.274 21 21.104

11/14/2000 / 0 0 0 15.3 0 0.168 0.168 15.3 15.3

3/13/2001 / 0 0 0 17.7 0 0 0 17.7 17.7

5/8/2001 / 0 0 0 21.4 0 0 0 21.4 21.4

8/7/2001 / 0 0 0 20.8 0 0.16 0.16 20.8 20.8

10/2/2001 / 0 0 0 16.6 0 0.12 0.12 16.6 16.6

1/22/2002 / 0 0 0 18.3 0 0.128 0.128 18.3 18.3

4/23/2002 / 0 8 0 15.5 0.1 0 0 15.6 15.6

7/16/2002 / 0 0 0 20.3 0.116 0 0 20.416 20.416

10/29/2002 / 0 0 0.312 22.6 0.195 0 0.312 22.795 23.107

2/25/2003 / 0 0 0.114 20.9 0 0.174 0.288 20.9 21.014

5/13/2003 / 0 1 0 24.4 0 0 0 24.4 24.4

8/26/2003 / 0 0 0 25.5 0.317 0 0 25.817 25.817

10/21/2003 / 0 2 0.113 23.9 0.268 0 0.113 24.168 24.281

1/13/2004 / 0 0 0 30 0.6 0.159 0.159 30.6 30.6

4/13/2004 / 0 80 0 28.9 0 0.232 0.232 28.9 28.9

7/13/2004 / 0 0 0 29.8 0.204 10.5 10.5 30.004 30.004

10/5/2004 / 0 0 0 23.94 0.16 0.37 0.37 24.1 24.1

1/18/2005 / 0 20 0 20.8 0 0.475 0.475 20.8 20.8

4/12/2005 / 0 0 0 19.4 0 0 0 19.4 19.4

7/19/2005 / 0 0 0 22.4 0 0 0 22.4 22.4

10/24/2005 / 0 40 0 20.6 1.19 0 0 21.79 21.79

1/30/2006 / 0 20 0 28.9 0 0 0 28.9 28.9

5/8/2006 / 0 0 0 19.5 0 0 0 19.5 19.5

7/31/2006 / 0 40 0 22.2 0 0 0 22.2 22.2

1/9/2007 / 0 0 0 23.9 0 0 0 23.9 23.9

4/3/2007 / 0 0 0 27.5 0 0 0 27.5 27.5

7/3/2007 / 0 0 0 16.5 0 0.46 0.46 16.5 16.5

10/9/2007 / 0 0 0 14.2 0 0 0 14.2 14.2

1/8/2008 / 0 0 0 13.6 0 0 0 13.6 13.6

4/22/2008 / 0 0 0 19.1 0 0 0 19.1 19.1

7/15/2008 / 0 0 0 21.7 0 0 0 21.7 21.7

10/20/2008 / 0 220 0 21.8 0 0.12 0.12 21.8 21.8

Malibu Water Pollution Control Plant

Well WPCP 6

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TM2-58

ParameterEnteroco

ccus

Fecal

Coliform

Total

ColiformAmmonia Nitrate Nitrite

Organic

NitrogenTKN

Nitrate +

Nitrite

Ammonia

+ Nitrate

+ Nitrite

Unit(MPN/10

0ml)

(MPN/10

0ml)

(MPN/10

0ml)(mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l)

MCL 0 0 10 10

Sample

Date

8/7/2001 / 0 4 0 22 0 0.15 0.15 22 22

10/2/2001 / 0 0 0 10.8 0 0.215 0.215 10.8 10.8

5/16/2000 / 0 0 0 18.7 0 0 0 18.7 18.7

8/8/2000 / 0 0 0.104 21 0 0.17 0.274 21 21.104

11/14/2000 / 0 0 0 15.3 0 0.168 0.168 15.3 15.3

3/13/2001 / 0 0 0 17.7 0 0 0 17.7 17.7

5/8/2001 / 0 0 0 21.4 0 0 0 21.4 21.4

8/7/2001 / 0 0 0 20.8 0 0.16 0.16 20.8 20.8

10/2/2001 / 0 0 0 16.6 0 0.12 0.12 16.6 16.6

1/22/2002 / 0 0 0 16.5 0.438 0.121 0.121 16.938 16.938

4/23/2002 / 0 0 0 19.7 0.207 0 0 19.907 19.907

7/16/2002 / 0 0 0 21.1 0.335 0 0 21.435 21.435

10/29/2002 / 0 40 0 23 1.02 0.46 0.46 24.02 24.02

2/25/2003 / 0 0 0 26.2 0.48 0 0 26.68 26.68

5/13/2003 / 2 47.1 0 26.9 0.225 0 0 27.125 27.125

8/26/2003 / 0 0 0 15.1 0.472 0.234 0.234 15.572 15.572

10/21/2003 / 0 0 1.04 18.2 0 0 1.04 18.2 19.24

1/13/2004 / 0 0 0 19.8 0 0.288 0.288 19.8 19.8

4/13/2004 / 0 0 0 16.4 0 0 0 16.4 16.4

7/13/2004 / 0 0 0 19.7 0 7.35 7.35 19.7 19.7

10/5/2004 / 0 0 0 15.2 0 0.944 0.944 15.2 15.2

1/18/2005 / 0 0 0 15.2 0 0.628 0.628 15.2 15.2

4/12/2005 / 0 0 0 11.5 0 0.166 0.166 11.5 11.5

7/19/2005 / 0 0 0 13.03 0 0 0 13.03 13.03

10/24/2005 / 0 0 0 19.3 0 0.327 0.327 19.3 19.3

1/30/2006 / 0 500,000 0 20.5 0 0 0 20.5 20.5

5/8/2006 / 0 300 0 18.4 0 0 0 18.4 18.4

7/31/2006 / 0 0 0 15.9 0 0 0 15.9 15.9

1/9/2007 / 0 0 0 13.5 0 0.26 0.26 13.5 13.5

4/3/2007 / 0 0 0 12.03 0 0 0 12.03 12.03

7/3/2007 / 0 20 0 10.7 0 0.4 0.4 10.7 10.7

10/9/2007 / 0 0 0 9.2 0 0.11 0.11 9.2 9.2

1/8/2008 / 0 0 0 8.9 0 0 0 8.9 8.9

4/22/2008 / 0 40 0 10.4 0 0.9 0.9 10.4 10.4

7/15/2008 / 0 0 0 10 0 0.137 0.137 10 10

10/20/2008 / 0 0 0 8.76 0 0.13 0.13 8.76 8.76

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TM2-59

Pa

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(MP

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(mg

/l)

(mg

/l)

(mg

/l)

(mg

/l)

(mg

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(mg

/l)

(mg

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MC

L0

01

01

0

Sa

mp

le D

ate

3/2

4/2

00

40

00

0.2

71

2.0

91

.51

1.5

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5/1

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00

40

00

02.1

70

0.5

50

.55

2.1

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04

00

00

2.2

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00

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10

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2.2

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12

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00

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00

05.5

30

1.6

31

.63

5.5

35

.53

3/9

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05

00

00

12

0.2

92

00

12

.29

21

2.2

92

6/3

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05

00

01

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.61

52

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3.3

81

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2.9

45

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05

00

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19

.79

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3.4

8

11

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55

49

08

00

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96

11

1.4

1.6

1.9

96

12

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2.7

96

3/3

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06

14

,70

00

9,0

00

0.4

9.5

30

.76

40

.84

1.2

41

0.2

94

10

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6/2

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06

00

00

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639

.30

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80

.15

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07

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4.5

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5/3

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00

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00

0.1

315

.10

0.5

10

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15

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5.2

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00

0.1

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.70

0.3

90

.58

16

.71

6.8

9

12

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//

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.9/

00

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3/1

3/2

00

90

00

0.3

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0.1

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.49

//

6/1

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Pa

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Nitrite

Unit

(MP

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ml)

(MP

N/1

00

ml)

(MP

N/1

00

ml)

(mg

/l)

(mg

/l)

(mg

/l)

(mg/l)

(mg/l)

(mg/l)

(mg

/l)

MC

L0

01

01

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le D

ate

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00

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13

.14

1.8

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9.4

83

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4.9

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00

1.6

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6.6

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63

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65

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04

00

02

.02

76

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0.2

41

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3.3

76

.56

78

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12

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00

40

00

0.3

41

5.8

0.1

58

0.5

80

.92

15

.95

81

6.2

98

3/9

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05

00

01

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1.7

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2.2

51

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3.5

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05

00

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11

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1.6

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0.4

31

10

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1

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05

00

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74

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01

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1.1

47

4.5

64.6

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11/1

8/2

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30

23

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0.8

69

0.7

24

0.5

41

0.5

41

1.5

93

1.5

93

3/3

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06

41

01

30

0.1

23

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04

.66

4.7

83

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3.3

5

6/2

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06

00

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00

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07

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Para

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Nitrite

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+

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Unit

(MP

N/1

00

ml)

(MP

N/1

00m

l)(M

PN

/100

ml)

(mg

/l)

(mg

/l)

(mg

/l)

(mg/l)

(mg/l)

(mg/l)

MC

L0

010

10

Sam

ple

Date

2/1

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00

90

28

31.7

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09

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//

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8/1

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12/8

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6/

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2/2

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9/2

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MW

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Unit

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ml)

(MP

N/1

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l)(M

PN

/100

ml)

(mg

/l)

(mg

/l)

(mg

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(mg/l)

(mg/l)

(mg/l)

MC

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Sam

ple

Date

2/1

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//

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6/9

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11

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//

//

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50

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MW

2

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cal C

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orm

To

tal C

olif

orm

Am

mo

nia

Nitra

teN

itri

teT

KN

Nitra

te +

Nitrite

Am

mo

nia

+

Nitra

te +

Nitrite

Unit

(MP

N/1

00

ml)

(MP

N/1

00m

l)(M

PN

/100

ml)

(mg

/l)

(mg

/l)

(mg

/l)

(mg/l)

(mg/l)

(mg/l)

MC

L0

010

10

Sam

ple

Date

2/1

1/2

00

90

00

1.5

512

.21

.56

1.6

413

.76

15

.31

6/9

/20

09

00

00.6

81

60.1

19

0.7

31

6.1

19

16.7

99

2/1

1/2

00

90

00

1.5

512

.21

.56

1.6

413

.76

15

.31

2/1

4/2

00

8/

//

//

//

//

5/1

5/2

00

8/

//

//

//

//

9/3

0/2

00

8/

//

//

//

//

12/3

/200

8/

//

//

//

//

11

/15/2

007

//

//

//

//

/

2/1

5/2

00

715.8

20

2.3

61.4

70

.06

40.1

61.5

33.8

9

5/1

/20

07

18.7

211

16

.30.8

80

19.4

80.8

817

.18

2/1

5/2

00

613.2

22

21

5.4

10

.38

28.0

25.7

926

.79

5/2

5/2

00

65

.217

17

10

.915

.40

.06

13.0

515

.46

26

.36

8/1

8/2

00

666.2

00

19

.93.0

20

28.0

53.0

222

.92

12/8

/200

60

00

65

.10.9

088

.70

.96

6

2/2

3/2

00

522.6

28

4.5

30.0

40

.11

9.0

10.1

54.6

8

5/1

8/2

00

55

.14

46.1

91.3

40

.06

19.5

91

.47.5

9

9/2

7/2

00

547.2

22

50

.13.4

0.0

267

.63.4

253

.52

11

/18/2

005

7.4

00

26

.81.2

20

31.7

31.2

228

.02

6/2

5/2

00

42

419

.27

30

22

.40

1.2

940

.11.2

923

.69

8/1

7/2

00

431.4

00

23

.60

0.1

28.8

70

.123.7

11/8

/200

49

.70

012

0.0

70

.14

13.4

40.2

112

.21

MW

3

Malib

u B

eac

h I

nn

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Technical Memorandum #2: Pathogens and Nitrogen in

Wastewaters Impair Underlying Groundwater as a Potential

Source of Drinking Water

Attachment 2-2

Graphs for 59 Individual Wells

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TM2-65

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0

500

0

10

00

0

15

00

0

20

00

0

25

00

0

30

00

0

2/24

/200

33/

25/2

003

6/12

/200

37/

30/2

003

8/15

/200

3

10/2

8/20

03

11/1

9/20

03

12/1

9/20

031/

16/2

004

2/20

/200

43/

24/2

004

4/27

/200

45/

21/2

004

9/1/

2004

12/6

/200

43/

9/20

056/

10/2

005

9/9/

2005

11/1

8/20

05 3/3/

2006 6/

2/20

06 9/8/

2006

12/1

/200

63/

9/20

076/

13/2

008

9/12

/200

8

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Fecal

Co

lifo

rm

To

tal

Co

lifo

rm

We

ll #

7b

0

10

20

30

40

50

60

70

2/24

/200

36/

12/2

003

8/15

/200

3 11/1

9/20

031/

16/2

004

3/24

/200

45/

21/2

004

12/6

/200

46/

10/2

005 11

/18/

2005

6/2/

2006

12/1

/200

66/

13/2

008

Tim

e (

Sam

ple

Date

)

mg/l

Nitra

te +

Nitri

te

Am

mo

nia

+N

itra

te+

Nitri

te MC

L

M

ali

bu

Ad

min

istr

ati

ve

Ce

nte

r

Page 70: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Well

# 8

02000000

4000000

6000000

8000000

10000000

12000000

14000000

16000000

18000000

2/24

/200

33/

25/2

003

6/12

/200

37/

30/2

003

8/15

/200

3

10/2

8/20

03

11/1

9/20

03

12/1

9/20

031/

16/2

004

2/20

/200

43/

24/2

004

4/27

/200

45/

21/2

004

9/1/

2004

12/6

/200

43/

9/20

056/

10/2

005

9/9/

2005

11/1

8/20

05 3/3/

2006 6/

2/20

06 9/8/

2006

12/1

/200

63/

9/20

076/

13/2

008

9/12

/200

8

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fecal

Colif

orm

Tota

lC

olif

orm

Well

# 8

010

20

30

40

50

60

70

80

90

100

2/24

/200

33/

25/2

003

6/12

/200

37/

30/2

003

8/15

/200

3

10/2

8/20

03

11/1

9/20

03

12/1

9/20

031/

16/2

004

2/20

/200

43/

24/2

004

4/27

/200

45/

21/2

004

9/1/

2004

12/6

/200

43/

9/20

056/

10/2

005

9/9/

2005

11/1

8/20

05 3/3/

2006 6/

2/20

06 9/8/

2006

12/1

/200

63/

9/20

076/

13/2

008

9/12

/200

8

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitrite

Am

monia

+N

itra

te+

Nitri

te MC

L

M

ali

bu

Ad

min

istr

ati

ve

Ce

nte

r

Page 71: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-67

Well M

W-1

0

500

1000

1500

2000

2500

12/1

4/20

043/

15/2

005 6/

15/2

005 9/

15/2

005 12

/14/

2005

3/20

/200

6 6/21

/200

6 9/13

/200

6 12/2

7/20

063/

20/2

007 6/

13/2

007 9/

14/2

007 12

/21/

2007

4/4/

2008

7/2/

2008

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fe

ca

lC

olif

orm

To

tal

Co

lifo

rm

Well

MW

-1

024681

01

21

41

61

8

12/1

4/20

043/

15/2

005 6/

15/2

005 9/

15/2

005 12

/14/

2005

3/20

/200

6 6/21

/200

6 9/13

/200

6 12/2

7/20

063/

20/2

007 6/

13/2

007 9/

14/2

007 12

/21/

2007

4/4/

2008

7/2/

2008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitri

te

Am

mon

ia+

Nitra

te+

Nit

rite

MC

L

M

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bu

Co

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art

I

Page 72: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-68

Well

MW

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0

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10

00

15

00

20

00

25

00

30

00

12/1

4/20

043/

15/2

005

6/15

/200

59/

15/2

005 12

/14/

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3/20

/200

66/

21/2

006

9/13

/200

6 12/2

7/20

063/

20/2

007

6/13

/200

79/

14/2

007 12

/21/

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4/4/

2008

7/2/

2008

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Fe

ca

lC

olif

orm

Tota

lC

olif

orm

Well

MW

-2

02468

10

12

12/1

4/20

043/

15/2

005 6/

15/2

005 9/

15/2

005 12

/14/

2005

3/20

/200

6 6/21

/200

6 9/13

/200

6 12/2

7/20

063/

20/2

007 6/

13/2

007 9/

14/2

007 12

/21/

2007

4/4/

2008

7/2/

2008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitri

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Am

mo

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+N

itra

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Nit

rite

MC

L

M

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Co

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I

Page 73: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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We

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4000

6000

8000

10000

12000

14000

16000

12/1

4/20

043/

15/2

005

6/15

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59/

15/2

005 12

/14/

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3/20

/200

66/

21/2

006

9/13

/200

6 12/2

7/20

063/

20/2

007

6/13

/200

79/

14/2

007 12

/21/

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4/4/

2008

7/2/

2008

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fecal

Colif

orm

Tota

lC

olif

orm

We

ll M

W-3

02468

10

12

14

12/1

4/20

043/

15/2

005 6/

15/2

005 9/

15/2

005 12

/14/

2005

3/20

/200

6 6/21

/200

6 9/13

/200

6 12/2

7/20

063/

20/2

007 6/

13/2

007 9/

14/2

007 12

/21/

2007

4/4/

2008

7/2/

2008

Tim

e (

Sam

ple

Date

)

mg/l

Nitra

te +

Nitrite

Am

monia

+N

itra

te+

Nit

rite

MC

L

M

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Page 74: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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We

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20

30

40

50

60

70

80

12/1

4/20

043/

15/2

005

6/15

/200

512

/14/

2005

3/20

/200

66/

21/2

006

9/13

/200

612

/27/

2007

3/20

/200

76/

13/2

007

9/14

/200

712

/21/

2007

7/2/

2008

Tim

e (

Sa

mp

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ate

)

MPN/100ml

Fe

ca

lC

olif

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To

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Co

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rm

Well M

W-1

02468

10

12

12/1

4/20

043/

15/2

005

6/15

/200

512

/14/

2005

3/20

/200

66/

21/2

006

9/13

/200

612

/27/

2007

3/20

/200

76/

13/2

007

9/14

/200

712

/21/

2007

7/2/

2008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitri

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Am

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+N

itra

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Nit

rite

MC

L

M

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Co

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II

Page 75: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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Well M

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000

20

000

30

000

40

000

50

000

60

000

70

000

80

000

90

000

100

000

12/1

4/20

043/

15/2

005

6/15

/200

512

/14/

2005

3/20

/200

66/

21/2

006

9/13

/200

612

/27/

2007

3/20

/200

76/

13/2

007

9/14

/200

712

/21/

2007

7/2/

2008

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Fe

cal

Colif

orm

To

tal

Colif

orm

Well M

W-2

024681

01

21

41

61

82

0

12/1

4/20

043/

15/2

005

6/15

/200

512

/14/

2005

3/20

/200

66/

21/2

006

9/13

/200

612

/27/

2007

3/20

/200

76/

13/2

007

9/14

/200

712

/21/

2007

7/2/

2008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitri

te

Am

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ia+

Nitra

te+

Nit

rite

MC

L

M

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bu

Co

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II

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We

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02000

4000

6000

8000

10000

12000

14000

16000

18000

12/1

4/20

043/

15/2

005

6/15

/200

512

/14/

2005

3/20

/200

66/

21/2

006

9/13

/200

612

/27/

2006

3/20

/200

76/

13/2

007

9/13

/200

712

/21/

2007

7/2/

2008

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fe

cal

Colif

orm

Tota

lC

olif

orm

We

ll M

W-3

0

10

20

30

40

50

60

70

12/1

4/20

043/

15/2

005

6/15

/200

512

/14/

2005

3/20

/200

66/

21/2

006

9/13

/200

6 12/2

7/20

063/

20/2

007

6/13

/200

79/

13/2

007

12/2

1/20

07

7/2/

2008

Tim

e (

Sam

ple

Date

)

mg/l

Nitra

te +

Nitrite

Am

monia

+N

itra

te+

Nit

rite

MC

L

M

ali

bu

Co

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try M

art

II

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Well M

W-1

020

040

060

080

01

00

01

20

01

40

01

60

01

80

0 3/8/

2004

7/9/

2004 9/

23/2

004

12/1

4/20

04 3/15

/200

5 6/15

/200

5 9/15

/200

5 3/20

/200

6 6/21

/200

6 9/13

/200

612

/27/

2006 3/

20/2

007 6/

13/2

007 9/

14/2

007

12/2

1/20

074/

4/20

087/

2/20

08

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Feca

lC

olif

orm

Tota

lC

olif

orm

We

ll M

W-1

02468

10

12

3/8/

2004

7/9/

2004 9/

23/2

004

12/1

4/20

04 3/15

/200

5 6/15

/200

5 9/15

/200

5 3/20

/200

6 6/21

/200

6 9/13

/200

612

/27/

2006 3/

20/2

007 6/

13/2

007 9/

14/2

007

12/2

1/20

074/

4/20

087/

2/20

08

Tim

e (

Sam

ple

Da

te)

mg/l

Nitra

te +

Nitri

te

Am

mon

ia+

Nitra

te+

Nit

rite

MC

L

M

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bu

Co

un

try M

art

III

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W-2

010000

20000

30000

40000

50000

60000

70000

80000

90000

100000 3/

8/20

047/

9/20

04 9/23

/200

412

/14/

2004 3/

15/2

005 6/

15/2

005 9/

15/2

005 3/

20/2

006 6/

21/2

006 9/

13/2

006

12/2

7/20

06 3/20

/200

7 6/13

/200

7 9/14

/200

712

/21/

2007

4/4/

2008

7/2/

2008

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fecal

Colif

orm

Tota

lC

olif

orm

We

ll M

W-2

05

10

15

20

25

30

35

40 3/

8/20

047/

9/20

04 9/23

/200

412

/14/

2004 3/

15/2

005 6/

15/2

005 9/

15/2

005 3/

20/2

006 6/

21/2

006 9/

13/2

006

12/2

7/20

06 3/20

/200

7 6/13

/200

7 9/14

/200

712

/21/

2007

4/4/

2008

7/2/

2008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitrite

Am

monia

+N

itra

te+

Nit

rite

MC

L

M

ali

bu

Co

un

try M

art

III

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Well

MW

-3

01

000

02

000

03

000

04

000

05

000

06

000

07

000

08

000

09

000

010

000

0 3/8/

2004

7/9/

2004 9/

23/2

004 12

/14/

2004 3/

15/2

005 6/

15/2

005 9/

16/2

005 3/

20/2

006 6/

21/2

006 9/

13/2

006 12

/27/

2006 3/

20/2

007 6/

13/2

007 9/

14/2

007 12

/21/

2007

4/4/

2008

7/2/

2008

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Feca

lC

olif

orm

Tota

lC

olif

orm

Well M

W-3

02468

10

12 3/

8/20

047/

9/20

049/

23/2

004 12

/14/

2004

3/15

/200

5 6/15

/200

5 9/16

/200

5 3/20

/200

6 6/21

/200

6 9/13

/200

6 12/2

7/20

063/

20/2

007 6/

13/2

007 9/

14/2

007 12

/21/

2007

4/4/

2008

7/2/

2008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitrite

Am

mon

ia+

Nitra

te+

Nit

rite

MC

L

M

ali

bu

Co

un

try M

art

III

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TM2-76

Well #

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020

040

060

080

0100

0120

0140

0160

0180

0

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 2/15

/200

6 5/3/

2006 8/

22/2

006

11/1

5/20

06 2/13

/200

75/

11/2

007

8/18

/200

711

/7/2

007

2/14

/200

85/

13/2

008

8/26

/200

811

/18/

2008

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fecal

Colif

orm

Tota

lC

olif

orm

We

ll #

1

02468

10

12

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 2/15

/200

6 5/3/

2006 8/

22/2

006

11/1

5/20

06 2/13

/200

75/

11/2

007

8/18

/200

711

/7/2

007

2/14

/200

85/

13/2

008

8/26

/200

811

/18/

2008

Tim

e (

Sam

ple

Date

)

mg/l

Nitra

te +

Nitrite

Am

mon

ia+

Nitra

te+

Nit

rite

MC

L

Ma

lib

u C

reek

Pla

za

Page 81: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-77

Well

#2

020

040

060

080

01

00

01

20

01

40

01

60

01

80

0

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 3/2/

2006 5/

3/20

06 8/22

/200

611

/15/

2006 2/

13/2

007

5/11

/200

78/

18/2

007

11/7

/200

62/

13/2

008

5/13

/200

88/

26/2

008

11/1

8/20

08

Tim

e (

Sam

ple

Da

te)

MPN/100ml

Fecal

Co

liform

Tota

lC

olif

orm

Well #

2

05

10

15

20

25

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 3/2/

2006 5/

3/20

06 8/22

/200

611

/15/

2006 2/

13/2

007

5/11

/200

78/

18/2

007

11/7

/200

62/

13/2

008

5/13

/200

88/

26/2

008

11/1

8/20

08

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitri

te

Am

mo

nia

+N

itra

te+

Nit

rite

MC

L

Ma

lib

u C

reek

Pla

za

Page 82: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-78

Well #

3

020

040

060

080

0100

0120

0140

0160

0180

0

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 3/2/

2006 5/

3/20

06 8/22

/200

611

/15/

2006 2/

13/2

007

5/11

/200

78/

14/2

007

12/5

/200

72/

13/2

008

5/13

/200

88/

26/2

008

11/1

8/20

08

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fecal

Colif

orm

Tota

lC

olif

orm

Well #

3

02468

10

12

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 3/2/

2006 5/

3/20

06 8/22

/200

611

/15/

2006 2/

13/2

007

5/11

/200

78/

14/2

007

12/5

/200

72/

13/2

008

5/13

/200

88/

26/2

008

11/1

8/20

08

Tim

e (

Sam

ple

Date

)

mg/l

Nitra

te +

Nitrite

Am

monia

+N

itra

te+

Nit

rite

MC

L

Ma

lib

u C

reek

Pla

za

Page 83: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-79

Well #

4

020

040

060

080

0100

0120

0140

0160

0180

0

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 3/2/

2006 5/

3/20

06 8/22

/200

611

/15/

2006 2/

15/2

007

5/11

/200

78/

17/2

007

12/6

/200

72/

14/2

008

5/13

/200

88/

26/2

008

11/1

8/20

08

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fecal

Colif

orm

Tota

lC

olif

orm

We

ll #

4

05

10

15

20

25

30

35

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 3/2/

2006 5/

3/20

06 8/22

/200

611

/15/

2006 2/

15/2

007

5/11

/200

78/

17/2

007

12/6

/200

72/

14/2

008

5/13

/200

88/

26/2

008

11/1

8/20

08

Tim

e (

Sam

ple

Date

)

mg/l

Nitra

te +

Nitrite

Am

monia

+N

itra

te+

Nit

rite

MC

L

Ma

lib

u C

reek

Pla

za

Page 84: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-80

Well

#5

020

040

060

080

01

000

12

00

14

00

16

00

18

00

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 3/2/

2006 5/

3/20

06 8/22

/200

611

/15/

2006 2/

13/2

007

5/11

/200

78/

17/2

007

12/5

/200

72/

14/2

008

5/13

/200

88/

26/2

008

11/1

8/20

08

Tim

e (

Sam

ple

Da

te)

MPN/100ml

Fecal

Co

liform

Tota

lC

olif

orm

Well #

5

02468

10

12

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 3/2/

2006 5/

3/20

06 8/22

/200

611

/15/

2006 2/

13/2

007

5/11

/200

78/

17/2

007

12/5

/200

72/

14/2

008

5/13

/200

88/

26/2

008

11/1

8/20

08

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitri

te

Am

mo

nia

+N

itra

te+

Nit

rite

MC

L

Ma

lib

u C

reek

Pla

za

Page 85: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-81

Well

#6

020

040

060

080

01

00

01

20

01

40

01

60

01

80

0

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 3/2/

2006 5/

3/20

06 8/22

/200

611

/15/

2006 2/

13/2

007

5/10

/200

78/

14/2

007

11/1

5/20

07 2/14

/200

85/

13/2

008

8/26

/200

811

/18/

2008

Tim

e (

Sam

ple

Da

te)

MPN/100ml

Fecal

Co

liform

Tota

lC

olif

orm

Well #

6

05

10

15

20

25

7/12

/200

2 9/5/

2002 11

/6/2

002

3/12

/200

45/

28/2

004

8/13

/200

411

/12/

2004 2/

15/2

005 5/

1/20

05 9/1/

2005

11/2

2/20

05 3/2/

2006 5/

3/20

06 8/22

/200

611

/15/

2006 2/

13/2

007

5/10

/200

78/

14/2

007

11/1

5/20

07 2/14

/200

85/

13/2

008

8/26

/200

811

/18/

2008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitri

te

Am

mo

nia

+N

itra

te+

Nit

rite

MC

L

Ma

lib

u C

reek

Pla

za

Page 86: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-82

ML

MW

-1, M

L M

W-2

, M

L M

W-3

, M

L M

W-4

, M

L M

W-5

0

0.51

1.52

2.53

3.54

4.5

ML

MW

-1M

L M

W-2

ML

MW

-3M

L M

W-4

ML

MW

-5

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Fe

ca

lC

olif

orm

To

tal

Co

liform

ML

MW

-1,

ML

MW

-2,

ML

MW

-3,

ML

MW

-4,

ML

MW

-5

02468

10

12

ML

MW

-1M

L M

W-2

ML

MW

-3M

L M

W-4

ML

MW

-5T

ime

(S

am

ple

Da

te)

mg/l

Nitra

te +

Nitrite

Am

monia

+N

itra

te+

Nit

rite

MC

L

Ma

lib

u L

um

be

r

Page 87: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-83

We

ll #

1

0

10

0

20

0

30

0

40

0

50

0

60

0

2/28

/200

35/

22/2

003

8/21

/200

311

/5/2

003

2/25

/200

44/

30/2

004

8/18

/200

411

/12/

2004 2/

15/2

005

5/12

/200

58/

16/2

005

11/9

/200

52/

14/2

006 6/

7/20

06 9/20

/200

612

/26/

2006 3/

8/20

07 6/7/

2007 9/

6/20

0711

/15/

2007 2/

14/2

008

5/14

/200

8

Tim

e (

Sam

ple

Da

te)

MPN/100ml

Fe

ca

lC

olif

orm

To

tal

Colif

orm

We

ll #

1

02468

10

12

14

16

2/28

/200

35/

22/2

003

8/21

/200

311

/5/2

003

2/25

/200

44/

30/2

004

8/18

/200

411

/12/

2004 2/

15/2

005

5/12

/200

58/

16/2

005

11/9

/200

52/

14/2

006 6/

7/20

06 9/20

/200

612

/26/

2006 3/

8/20

07 6/7/

2007 9/

6/20

0711

/15/

2007 2/

14/2

008

5/14

/200

8

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitri

te

Am

mon

ia+

Nitra

te+

Nit

rite

MC

L

Ma

lib

u C

olo

ny P

laza

Page 88: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-84

We

ll #

2

01

00

200

300

400

500

600

700

800

900

10

00

2/28

/200

35/

22/2

003

8/21

/200

311

/5/2

003

2/25

/200

44/

30/2

004

8/18

/200

411

/12/

2004 2/

15/2

005

5/12

/200

58/

16/2

005

11/9

/200

52/

14/2

006 6/

7/20

06 9/20

/200

612

/26/

2006 3/

8/20

07 6/7/

2007 9/

6/20

0711

/15/

2007 2/

14/2

008

5/14

/200

8

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Fecal

Co

lifo

rm

Tota

lC

olif

orm

We

ll #

2

0510

15

20

25

30

35

40

45

2/28

/200

35/

22/2

003

8/21

/200

311

/5/2

003

2/25

/200

44/

30/2

004

8/18

/200

4

11/1

2/20

04 2/15

/200

55/

12/2

005

8/16

/200

511

/9/2

005

2/14

/200

6 6/7/

2006 9/

20/2

006

12/2

6/20

06 3/8/

2007 6/

7/20

07 9/6/

2007

11/1

5/20

07 2/14

/200

85/

14/2

008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitrite

Am

mon

ia+

Nitra

te+

Nit

rite

MC

L

Ma

lib

u C

olo

ny P

laza

Page 89: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-85

We

ll #

3

020

40

60

80

100

120

140

160

180

2/28

/200

35/

22/2

003

8/21

/200

311

/5/2

003

2/25

/200

44/

30/2

004

8/18

/200

411

/12/

2004 2/

15/2

005

5/12

/200

58/

16/2

005

11/9

/200

52/

14/2

006 6/

7/20

06 9/20

/200

612

/26/

2006 3/

8/20

07 6/7/

2007 9/

6/20

0711

/15/

2007 2/

14/2

008

5/14

/200

8

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fecal

Colif

orm

Tota

lC

olif

orm

We

ll #

3

0

20

40

60

80

100

120

140

2/28

/200

35/

22/2

003

8/21

/200

311

/5/2

003

2/25

/200

44/

30/2

004

8/18

/200

4

11/1

2/20

04 2/15

/200

55/

12/2

005

8/16

/200

511

/9/2

005

2/14

/200

6 6/7/

2006 9/

20/2

006

12/2

6/20

06 3/8/

2007 6/

7/20

07 9/6/

2007

11/1

5/20

072/

14/2

008

5/14

/200

8

Tim

e (

Sam

ple

Date

)

mg/l

Nitra

te +

Nitri

te

Am

mon

ia+

Nitra

te+

Nit

rite

MC

L

Ma

lib

u C

olo

ny P

laza

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TM2-86

We

ll #

4

020

040

060

080

0100

0120

0140

0160

0180

0

2/28

/200

35/

22/2

003

8/21

/200

311

/5/2

003

2/25

/200

44/

30/2

004

8/18

/200

4

11/1

2/20

04 2/15

/200

55/

12/2

005

8/16

/200

511

/9/2

005

2/14

/200

6 6/7/

2006 9/

20/2

006

12/2

6/20

06 3/8/

2007 6/

7/20

07 9/6/

2007

11/1

5/20

07 2/14

/200

85/

14/2

008

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fecal

Colif

orm

Tota

lC

olif

orm

Well

# 4

0

20

40

60

80

100

120

2/28

/200

35/

22/2

003

8/21

/200

311

/5/2

003

2/25

/200

44/

30/2

004

8/18

/200

4

11/1

2/20

042/

15/2

005

5/12

/200

58/

16/2

005

11/9

/200

52/

14/2

006

6/7/

2006

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Page 91: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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TM2-87

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400

600

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1000

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Tim

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Page 92: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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0

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9

TM2-88

Mali

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310

/21/

2003

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2003

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4

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4

Tim

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L

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0

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9

TM2-89

Mali

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10

20

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3

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3

7/24

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3

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3

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310

/21/

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/21/

2003

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0

9

TM2-90

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310

/21/

2003

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2003

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Tim

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3

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310

/21/

2003

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2003

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4

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4

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4

Tim

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L

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TM2-91

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310

/20/

2003

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/15/

2003

1/19

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Tim

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310

/20/

2003

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/15/

2003

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Tim

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9

TM2-92

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/21/

2003

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2003

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310

/21/

2003

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/16/

2003

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L

Page 97: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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0

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9

TM2-93

M

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20

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7/21

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38/

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/20/

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Tim

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/20/

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Page 98: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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0

0

9

TM2-94

Ma

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10

20

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Page 99: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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2

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9

TM2-95

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00

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00

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25/2

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310

/21/

2003

11/1

8/20

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2003

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Tim

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310

/21/

2003

11/1

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/16/

2003

1/20

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Tim

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2

1

2

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9

TM2-96

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/21/

2003

11/1

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2003

1/20

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4

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Tim

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MPN/100ml

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310

/21/

2003

11/1

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Tim

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Page 101: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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2

1

2

0

0

9

TM2-97

Ma

lib

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01

00

20

03

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40

05

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10

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310

/21/

2003

11/1

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2003

1/20

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Tim

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3

9/30

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310

/21/

2003

11/1

8/20

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/16/

2003

1/20

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4

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Tim

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)

mg/l

Nitra

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L

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2

1

2

0

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9

TM2-98

Mali

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50

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150

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250

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350

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3

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/200

310

/21/

2003

11/1

8/20

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/15/

2003

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Tim

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38/

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310

/21/

2003

11/1

8/20

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/15/

2003

1/19

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Tim

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Page 103: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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2

1

2

0

0

9

TM2-99

M

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10

0

15

0

20

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3

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310

/21/

2003

11/1

8/20

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/16/

2003

1/20

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4

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3/16

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Tim

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Sam

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MPN/100mlF

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0

10

20

30

40

50

60

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36/

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7/21

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38/

20/2

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9/30

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310

/21/

2003

11/1

8/20

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/16/

2003

1/20

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42/

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Tim

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2

1

2

0

0

9

TM2-100

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040

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080

01

00

01

20

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40

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60

01

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3

5/28

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3

6/26

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3

7/21

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3

8/18

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3

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310

/20/

2003

11/1

7/20

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/15/

2003

1/19

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4

2/16

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4

3/16

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4

Tim

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Sam

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Date

)

MPN/100ml

Fe

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01

52

02

53

03

54

04

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6/26

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37/

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8/18

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39/

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/17/

2003

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Page 110: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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300

350

4/19

/199

9 5/16

/200

011

/14/

2000 5/

8/20

01 10/2

/200

1 4/23

/200

210

/29/

2002 5/

13/2

003

10/2

1/20

03 4/13

/200

4 12/6

/200

4 4/12

/200

510

/24/

2005 5/

8/20

06 1/9/

2007 7/

3/20

07 1/8/

2008 7/

15/2

008

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fecal

Colifo

rm

Tota

lC

olifo

rm

Well W

PC

P 2

05

10

15

20

25

30

4/19

/199

95/

16/2

000

11/1

4/20

00 5/8/

2001 10

/2/2

001

4/23

/200

210

/29/

2002 5/

13/2

003

10/2

1/20

03 4/13

/200

412

/6/2

004

4/12

/200

510

/24/

2005 5/

8/20

06 1/9/

2007 7/

3/20

07 1/8/

2008 7/

15/2

008

Tim

e (

Sam

ple

Da

te)

mg/l

Nitra

te +

Nitrite

Am

monia

+N

itra

te+

Nit

rite

MC

L

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2

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2

0

0

9

TM2-115

Ma

lib

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ate

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uti

on

Co

ntr

ol

Pla

nt

Well

WP

CP

3

0

10

00

0

20

00

0

30

00

0

40

00

0

50

00

0

60

00

0

4/19

/199

9 5/16

/200

011

/14/

2000

5/8/

2001 10

/2/2

001 4/

23/2

002

10/2

9/20

02 5/13

/200

310

/21/

2003 4/

13/2

004 12

/6/2

004 4/

12/2

005

10/2

4/20

055/

8/20

06 1/9/

2007 7/

3/20

07 1/8/

2008 7/

15/2

008

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Fe

ca

lC

olifo

rm

Tota

lC

olifo

rm

We

ll W

PC

P 3

01

02

03

04

05

06

07

08

09

0

4/19

/199

95/

16/2

000

11/1

4/20

00 5/8/

2001 10

/2/2

001

4/23

/200

210

/29/

2002 5/

13/2

003

10/2

1/20

03 4/13

/200

412

/6/2

004

4/12

/200

510

/24/

2005 5/

8/20

06 1/9/

2007 7/

3/20

07 1/8/

2008 7/

15/2

008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitrite

Am

mo

nia

+N

itra

te+

Nit

rite

MC

L

Page 120: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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2

1

2

0

0

9

TM2-116

Ma

lib

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ate

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uti

on

Co

ntr

ol

Pla

nt

We

ll W

PC

P 4

020

000

40

000

60

000

80

000

100

000

120

000

140

000

160

000

180

000

8/7/

2001 5/

16/2

000

11/1

4/20

005/

8/20

01 10/2

/200

1 4/23

/200

210

/29/

2002 5/

13/2

003

10/2

1/20

03 4/13

/200

4 10/5

/200

4 4/12

/200

510

/24/

2005

5/8/

2006 1/

9/20

07 7/3/

2007 1/

8/20

08 7/15

/200

8

Tim

e (

Sam

ple

Date

)

MPN/100ml

Fe

ca

lC

olifo

rm

To

tal

Colifo

rm

We

ll W

PC

P 4

05

10

15

20

25

30

35

40

8/7/

2001 5/

16/2

000

11/1

4/20

00 5/8/

2001 10

/2/2

001

4/23

/200

210

/29/

2002 5/

13/2

003

10/2

1/20

03 4/13

/200

410

/5/2

004

4/12

/200

510

/24/

2005 5/

8/20

06 1/9/

2007 7/

3/20

07 1/8/

2008 7/

15/2

008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitrite

Am

mo

nia

+N

itra

te+

Nit

rite

MC

L

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2

1

2

0

0

9

TM2-117

Ma

lib

u W

ate

r P

oll

uti

on

Co

ntr

ol

Pla

nt

We

ll W

PC

P 5

0

50

100

150

200

250

8/7/

2001 5/

16/2

000

11/1

4/20

005/

8/20

01 10/2

/200

1 4/23

/200

210

/29/

2002 5/

13/2

003

10/2

1/20

03 4/13

/200

4 10/5

/200

4 4/12

/200

510

/24/

2005

5/8/

2006

1/9/

2007 7/

3/20

07 1/8/

2008 7/

15/2

008

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Fe

ca

lC

olifo

rm

To

tal

Colifo

rm

We

ll W

PC

P 5

05

10

15

20

25

30

35

40

8/7/

2001 5/

16/2

000

11/1

4/20

00 5/8/

2001 10

/2/2

001

4/23

/200

210

/29/

2002 5/

13/2

003

10/2

1/20

03 4/13

/200

410

/5/2

004

4/12

/200

510

/24/

2005 5/

8/20

06 1/9/

2007 7/

3/20

07 1/8/

2008 7/

15/2

008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitrite

Am

mo

nia

+N

itra

te+

Nit

rite

MC

L

Page 122: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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2

1

2

0

0

9

TM2-118

Ma

lib

u W

ate

r P

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uti

on

Co

ntr

ol

Pla

nt

We

ll W

PC

P 6

0

50

10

0

15

0

20

0

25

0

8/7/

2001 5/

16/2

000

11/1

4/20

005/

8/20

01 10/2

/200

1 4/23

/200

210

/29/

2002 5/

13/2

003

10/2

1/20

03 4/13

/200

4 10/5

/200

4 4/12

/200

510

/24/

2005

5/8/

2006

1/9/

2007

7/3/

2007

1/8/

2008 7/

15/2

008

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Fe

ca

lC

olifo

rm

To

tal

Co

lifo

rm

Well

WP

CP

6

05

10

15

20

25

30

35

8/7/

2001 5/

16/2

000

11/1

4/20

00 5/8/

2001 10

/2/2

001 4/

23/2

002

10/2

9/20

02 5/13

/200

310

/21/

2003 4/

13/2

004 10

/5/2

004 4/

12/2

005

10/2

4/20

05 5/8/

2006 1/

9/20

07 7/3/

2007 1/

8/20

08 7/15

/200

8

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitrite

Am

monia

+N

itra

te+

Nit

rite

MC

L

Page 123: State of California D California Regional Water …...California Regional Water Quality Control Board, Los Angeles Region Draft Technical Staff Report Evidence in support of an Amendment

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1

2

0

0

9

TM2-119

Ma

lib

u W

ate

r P

oll

uti

on

Co

ntr

ol

Pla

nt

Well

WP

CP

7

0

100

000

200

000

300

000

400

000

500

000

600

000

8/7/

2001 5/

16/2

000

11/1

4/20

00 5/8/

2001 10

/2/2

001 4/

23/2

002

10/2

9/20

02 5/13

/200

310

/21/

2003 4/

13/2

004 10

/5/2

004 4/

12/2

005

10/2

4/20

055/

8/20

06 1/9/

2007 7/

3/20

07 1/8/

2008 7/

15/2

008

Tim

e (

Sa

mp

le D

ate

)

MPN/100ml

Fe

cal

Colifo

rm

To

tal

Colifo

rm

Well

WP

CP

7

05

10

15

20

25

30

8/7/

2001 5/

16/2

000

11/1

4/20

00 5/8/

2001 10

/2/2

001

4/23

/200

210

/29/

2002 5/

13/2

003

10/2

1/20

03 4/13

/200

410

/5/2

004

4/12

/200

510

/24/

2005 5/

8/20

06 1/9/

2007 7/

3/20

07 1/8/

2008 7/

15/2

008

Tim

e (

Sa

mp

le D

ate

)

mg/l

Nitra

te +

Nitrite

Am

mo

nia

+N

itra

te+

Nit

rite

MC

L