2009-10 ABP Annual Report body FINAL · PDF fileSummary of Cathodic Protection Cost-Sharing ... Annual Report. All minor shutdowns for the current reporting period are detailed in

Member Agencies: Orange County Water District

Water Replenishment District of Southern California

Long Beach Water Department

Golden State Water Company

Los Angeles County Flood Control District

Authors: Matt Frary and Ramy Mattar Los Angeles County Department of Public Works Submitted by: Matt Frary, Secretary Joint Management Committee

TABLE OF CONTENTS Page Introduction ............................................................................................... 1 Summary ................................................................................................... 2 Projects and Studies ................................................................................. 3 Injection Operations .................................................................................. 5 Extraction Operations ............................................................................... 9 Maintenance ............................................................................................. 9 Hydrogeologic Effects ............................................................................. 12 Chlorides ................................................................................................. 21 Financing and Costs ............................................................................... 31 FIGURES 1. Monthly Amount of Water Injected ................................................. 8 2. Annual Amount of Water Injected ................................................... 8 3. Injection and Extraction Well Operating Status .............................. 11 Groundwater Elevation Graphs 4a. Recent Zone West of San Gabriel River ...................................... 13 4b. Recent Zone East of San Gabriel River ........................................ 13 5a. C-Zone West of San Gabriel River ............................................... 14 5b. C-Zone East of San Gabriel River ................................................. 14 6a. B-Zone West of San Gabriel River ............................................... 15 6b. B-Zone East of San Gabriel River ................................................. 15 7a. A-Zone West of San Gabriel River ............................................... 16 7b. A-Zone East of San Gabriel River ................................................. 16 8a. I-Zone West of San Gabriel River ................................................. 17 8b. I-Zone East of San Gabriel River ................................................... 17 Chloride Concentration Graphs 9a. Recent Zone West of San Gabriel River ...................................... 22 9b. Recent Zone East of San Gabriel River ........................................ 22 10a. C-Zone West of San Gabriel River ............................................... 23 10b. C-Zone East of San Gabriel River ................................................. 23 11a. B-Zone West of San Gabriel River ............................................... 24 11b. B-Zone East of San Gabriel River ................................................. 24 12a. A-Zone West of San Gabriel River ............................................... 25 12b. A-Zone East of San Gabriel River ................................................. 25 13a. I-Zone West of San Gabriel River ................................................. 26 13b. A-Zone East of San Gabriel River ................................................. 26 TABLES 1. Injection Operations ......................................................................... 7 2. Quantity of Water Injected and Costs ............................................ 31 3. Distribution of Services and Supplies Costs for Injection .............. 32 4. Costs of Services and Supplies for Injection ................................. 33 5. Costs of Services and Supplies for Extraction ............................... 34

APPENDIX Recent Aquifer Groundwater Elevation Contours ........................ A-1.1 Recent Aquifer Change in Groundwater Elevation Contours ............. A-1.2 Groundwater Data Used for R Zone Contours .................................. A-1.3 C-Zone Groundwater Elevation Contours ..................................... A-2.1 C-Zone Change in Groundwater Elevation Contours ........................ A-2.2 Groundwater Data Used for C Zone Contours ................................... A-2.3 B-Zone Groundwater Elevation Contours ..................................... A-3.1 B-Zone Change in Groundwater Elevation Contours ......................... A-3.2 Groundwater Data Used for B Zone Contours ................................... A-3.3 A-Zone Groundwater Elevation Contours ..................................... A-4.1 A-Zone Change in Groundwater Elevation Contours ......................... A-4.2 Groundwater Data Used for A Zone Contours ................................... A-4.3 I-Zone Groundwater Elevation Contours ....................................... A-5.1 I-Zone Change in Groundwater Elevation Contours .......................... A-5.2 Groundwater Data Used for I Zone Contours .................................... A-5.3 Recent Aquifer Chloride Contours ................................................. A-6.1 Recent Aquifer Change in Chloride Contours .................................... A-6.2 Chloride Data Used for R Zone Contours & Cross-Section ............... A-6.3 C-Zone Chloride Contours .............................................................. A-7.1 C-Zone Change in Chloride Contours ................................................ A-7.2 Chloride Data Used for C Zone Contours & Cross-Section ............... A-7.3 B-Zone Chloride Contours .............................................................. A-8.1 B-Zone Change in Chloride Contours ................................................ A-8.2 Chloride Data Used for B Zone Contours & Cross-Section ............... A-8.3 A-Zone Chloride Contours .............................................................. A-9.1 A-Zone Change in Chloride Contours ................................................ A-9.2 Chloride Data Used for A Zone Contours & Cross-Section ............... A-9.3 I-Zone Chloride Contours .............................................................. A-10.1 I-Zone Change in Chloride Contours ............................................... A-10.2 Chloride Data Used for I Zone Contours & Cross-Section ............... A-10.3 Chloride Section Along Barrier ....................................................... A-11 Alamitos Barrier Project Location Map ................................................ A-12 Groundwater Elevations and Protective Elevations – C Zone ............ A-13 Groundwater Elevations and Protective Elevations – B Zone ............ A-14 Groundwater Elevations and Protective Elevations – A Zone ............ A-15 Groundwater Elevations and Protective Elevations – I Zone .............. A-16 Summary of Current Capital Improvement Projects ............................ A-17 Summary of ABP Shutdowns .............................................................. A-18 Summary of new ABP Monitoring Well Construction Info ................... A-19 Summary of Annual Costs .................................................................. A-20 Summary of Cathodic Protection Cost-Sharing .................................. A-21 FY2011-12 Operation & Maintenance Budget .................................... A-22

1

INTRODUCTION

The Alamitos Barrier Project (ABP) was designed and constructed to protect the

groundwater supplies of the Central Basin of the County of Los Angeles and the

southwest portion of the Coastal Plain area in Orange County from the intrusion of

seawater through the Alamitos Gap area. The project facilities are located near the Los

Angeles-Orange County border about two miles inland from the terminus of the San

Gabriel River. The original facilities included injection wells to form a freshwater

pressure ridge and extraction wells to form a saltwater trough. The freshwater ridge

that was intended to block the landward gradient of intruding seawater has proven to be

historically effective. However, the saltwater trough that was intended to reverse the

landward gradient of intruding seawater has proven to be historically ineffective. As a

result, the extraction wells are currently not in operation. A map showing the supply

pipeline, injection wells, extraction wells, and observation wells is shown on page A-12.

The County of Los Angeles Department of Public Works (Public Works) operates and

maintains the project and its physical facilities under the direction and approval of the

Joint Management Committee (JMC), acting on behalf of the Los Angeles County Flood

Control District (LACFCD) and the Orange County Water District (OCWD).

This report summarizes design and construction issues, operation and maintenance

activities, hydrogeologic effects, groundwater chloride concentrations, and project costs

for Fiscal Year (FY) 2009-10 (i.e., July 1, 2009 through June 30, 2010).

The JMC is aware that the current depiction of the mergence zones (first implemented

in the FY 2006-07 Annual Report) conflicts with the labeled “Recent Zone Boundary,”

and, though it doesn’t impact data analyses, has determined to resolve this conflict

soon.

2

SUMMARY

During this reporting period, the total amount of water injected into the ABP was

5,629.2 acre-feet (an average rate of 7.8 cubic feet per second). Of that total, OCWD

purchased 1,320.6 acre-feet (23%) and the Water Replenishment District of Southern

California (WRD) purchased 4,308.6 acre-feet (77%). This total injected amount is less

than in FY08-09, the all-time high, but is consistent with historical volumes and is

slightly greater than the average of the previous five fiscal years (4,851.9 AF). No major

shutdowns have occurred since FY06-07. A timeline detailing the main dates,

durations, and events of those shutdowns is presented in the Injection Operations

Section of both the FY06-07 Annual Report and the July 2007 to December 2007 Semi-

Annual Report. All minor shutdowns for the current reporting period are detailed in

Appendix A-18.

The total cost of the ABP in FY09-10 was $7,169,271 ($7,149,048 for injection-related

operations, maintenance, water, and approved LACFCD and OCWD project expenses;

$20,223 for maintenance of idle extraction wells). Of the total injection-related

expenses, the cost of the injected water was $4,013,439 ($934,993 paid by OCWD and

$3,078,446 paid by WRD) and the total cost of services and supplies for injection and

extraction was $3,155,832 ($699,619 paid by OCWD and $2,456,213 paid by the

LACFCD). The corresponding services and supplies cost to inject one acre-foot of

water was $557.03/acre-foot. This cost, and most of those from FY05-06 and beyond,

is higher than historical amounts because it includes multiple capital improvement

projects. However, it is higher than the previous fiscal year because an abnormally

large volume of water was injected in FY08-09. The project management costs

continue to vary from year to year depending on the need to repair or improve the

barrier facilities. The observation well cleanout costs and injection well redevelopment

costs vary each fiscal year because they are based on cyclical activities.

3

Overall, groundwater levels remained fairly steady in all zones but with localized

increases or decreases due to operational activities. Similarly, chloride concentrations

showed primarily localized increases (some due to existing plumes and others due to

limited operations allowing flow past the barrier), with the exception of fairly widespread

increases in the southeast end of the barrier. Many areas along the barrier and

landward showed decreases in chloride concentrations. Detailed analyses of the

period’s groundwater elevations and chloride concentrations are provided in the

“Hydrogeologic Effects” section and the “Chlorides” section.

PROJECTS AND STUDIES

The current improvement projects and their status are briefly summarized below. The

general location of each project is identified on the map in Appendix A-12 and further

project details are included in the table in Appendix A-17.

Barrier Water Supply Facilities Improvements (BWSFI) Project Phase 2

This project involves bonding the pipe joints and installing sacrificial anodes along the

ABP water supply pipeline. In FY 2006-07, the BWSFI project was split into 2 phases

covering different portions of the ABP water supply line due to certain complications

with right of way and funding. Near the end of FY 2006-07, Phase 1 construction was

completed and Phase 2 Design plans and specifications for Phase 2 were initiated. The

design of Phase 2 continued through FY 2007-08, the project was awarded near the

end of FY 2008-09, and construction began shortly thereafter. The ABP portion of the

project was completed during FY 2009-10 and field acceptance of the overall project is

anticipated in early FY 2010-11.

ABP Condition Assessment

This project is jointly funded by the LACFCD, OCWD, and WRD, but is being managed

by LACFCD. It involves the evaluation of portions of the ABP water supply pipeline,

along with selected injection wells, observation wells, and extraction wells. The scope

4

of work and cost-sharing agreement were developed during FY 2008-09. The project

was advertised, awarded, and initiated during this reporting period. Work is expected to

be completed late in FY 2010-11.

ABP Groundwater Model

This project is jointly funded by the LACFCD, OCWD, and WRD, but is being led by

OCWD. It involves the development of a groundwater model that will be used to

operate the ABP more efficiently, identify locations and scenarios where new wells

could make the ABP more effective against seawater intrusion, and to predict the flow

and transport of injected reclaimed water. The scope of work and cost-sharing

agreement were developed and finalized during FY 2008-09. The project was

advertised, awarded, and initiated during this reporting period. Work is expected to be

completed early in FY 2010-11.

ABP, DGBP, and WCBBP Injection Well Condition Assessment

This project involves the evaluation of injection wells at all three seawater barriers. For

the ABP, it includes all the injection wells not assessed during the ABP Condition

Assessment. The project was advertised and awarded during this reporting period, and

work is anticipated to begin early in FY 2010-11.

New Observation Wells in Orange County

The OCWD completed the construction of 8 new observation well casings in late 2009.

Well 34X40 was constructed in an area where there were no other observation wells in

the vicinity in order to fill in data gaps. Additional casings were added at existing wells

sites 35J1 and 35K1 in order to monitor additional aquifers (i.e., I zone and C Zone).

Well 35K’12 was constructed as a replacement for 35N’15, which was destroyed during

the Orange County Flood Control District’s construction of the Los Alamitos Retarding

Basin. A summary table of the well construction details is included in the Appendix

(A-19). All applicable documentation has been filed with both LACFCD and OCWD and

the wells have been incorporated into LACFCD’s monitoring schedules.

5

Destruction of Observation Well in Los Angeles County

The LACFCD completed the destruction of observation well 34H’38 in July 2009 after

an attempt to bring the well up to standards by installing a surface seal was

unsuccesful. All applicable documentation has been filed with both LACFCD and

OCWD and the well has been removed from LACFCD’s monitoring schedules.

INJECTION OPERATIONS The total amount of water injected into the ABP during this reporting period was 5,629.2

acre-feet. Of this total, 41% (2,300.6 acre-feet) was reclaimed water and 59% (3,328.6

acre-feet) was imported water. The percentage of reclaimed injection was the highest

it’s ever been, primarily because the reclamation plant was in operation fairly steadily

during this entire reporting period. There were still a number of interruption in reclaimed

water delivery, but most were very brief. There were only a few periods longer than one

week where the reclamation plant was out of operation due to maintenance activities on

the reclamation plant or the barrier itself.

According to the California Regional Water Quality Control Board (CRWQCB) permit,

File No. 93-076 of Order No. R4-2005-0061, the 60-month running average of reclaimed

water into the ABP cannot exceed 50 percent. Since ABP reclaimed injections began in

October 2005, the 60-month period includes injections prior to the delivery of reclaimed

water into the barrier. Through this reporting period, WRD’s calculated 60-month

running percentage of reclaimed water into the barrier is 27.5% and is therefore in

compliance. Public Works’ calculation through this period (which is consistent with the

volumes identified throughout this report) is 28.0%. The slight discrepancy is due to

differences in the timing and calculation methods of the monthly meter readings for both

imported and recycled deliveries prior to April 2008.

The maximum monthly injection for this reporting period was 563.9 acre-feet (288.0

acre-feet imported and 275.9 acre-feet reclaimed) and occurred in January 2010. The

6

minimum monthly injection of 302.7 acre-feet (169.5 acre-feet imported and 133.2 acre-

feet reclaimed) occurred in July 2009 since the barrier was off for the repair of a leaking

section of supply pipeline just upstream of the pressure regulating valve.

The injection volumes and costs from July through June of both FY 2008-09 and FY

2009-10 are shown in Table 1. The representative reclaimed unit costs included in

Table 1 are calculated by WRD and a complete historical record of these unit costs is

available from any of the agencies comprising the JMC. Table 1 shows a decrease in

total injection amount from FY 2008-09 to FY 2009-10. This decrease was the result of

resuming more normal operations following the abnormally high amount in FY 2008-09.

That large amount in FY 2008-09 was possible only through gradual increases in

operations to meet the temporarily higher demand at the barrier caused by the multiple

previous shut downs throughout FY 2006-07.

The ABP operational status for FY 2009-10 is summarized in Appendix A-18 and there

were no major shutdowns requiring further discussion in the body of this report.

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8

Figure 1 presents the monthly amounts of water injected during FY 2009-10.

Figure 2 illustrates the annual amounts of water injected over the last 20 years.

9

EXTRACTION OPERATIONS

There were no extraction activities during FY 2009-10. As recommended by the JMC

Committee, these wells were taken out of operation in FY 2002-03. This decision was

based on results of the one-year extraction well efficiency study, which demonstrated

that the chloride levels in the area decreased when the extraction wells were turned off.

The extraction wells will continue to receive minimal maintenance so that they can be

turned back on if deemed necessary in the future. Since there has been no extraction

activity since FY 2002-03, the traditional summary tables are no longer included in the

annual reports.

MAINTENANCE Typical well maintenance at the ABP includes observation well cleanouts and injection

well redevelopments. The purpose of observation well cleanouts is to remove

accumulated sediment at the bottom of the well casings. Removing the sediment

ensures the full lengths of the well screens are in communication with the aquifer, and

also allows chloride sampling to occur at all designated depths. The occurrence of

sediment accumulation within the observation wells is typically analyzed every two

years for all 221 active observation wells. Following the analysis, all observation wells

determined to have significant sediment accumulation (i.e., covering a portion of the

well screen) then receive the necessary cleanout services. Once cleanout activities are

completed, the logs for each casing are typically analyzed to determine whether or not

sediments were removed successfully and any resulting recommendations. During this

FY09-10 reporting period, there were no ABP observation well casings cleaned out. A

new cleanout cycle will occur following the completion of the current redevelopment

cycle, which estimated to end in February 2011.

10

The purpose of injection well redevelopments is to remove accumulated sediments and

microbiological build-up within the well casings to restore each well’s ability to operate

at its maximum injection capacity. Each of the 45 injection and extraction well casings

are routinely developed once every two years. During FY 2009-10, Public Works

completed the redevelopment of the following 27 injection well casings1: 35G(A,I),

34Z(I), 34V(C,B), 34V(A), 34V(I), 34S(I), 34S(C,B), 34S(A), 34H(A), 34H(I), 34F(I),

34F(A), 34E(I), 34E(C,B), 35H2(A), 35H1(A), 35H1(I), 34G2(C,B), 34G2(I),

34L(C,B,A,I), 34J(A&I), 34G(A), 33Z(C,B,A,I), 33Y(C,B,A,I), 33X(C,B,A,I), 33Z2(A,I),

and 33W(C,B,A,I). One casing was completed at the end of the previous Fiscal Year,

so there are 17 more casings still to be redeveloped as part of this current “two-year”

ABP redevelopment cycle that started in June 2009.

Figure 3 depicts the operating status of each injection and extraction well during

FY2009-10 and demonstrates that the barrier has predominantly been in operation

throughout this reporting period. Nonetheless, there were a few instances of

nonoperation due to aquifer pressure limitations (33Q and 35H1), surface leakage

(33S1 and 34G), well redevelopments (various), and repairs (various). As indicated,

there were also other periods of localized nonoperation and two brief periods of full

barrier nonoperation due to “Other Circumstances” which are explained in Appendix

A-18. The transition time before and after all periods of nonoperation will continue to be

minimized as much as possible.

1 The capital letters in parenthesis represent the aquifer(s) receiving injections from that well casing. For example, (A) = A Zone aquifer, (A,I) = A and I Zone aquifers, and so forth.

FIGURE 3 - ABP INJECTION AND EXTRACTION WELL STATUS - FY09-10

Well No. JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN33G (A,I) O O O33J (A,I) O O O33L (A,I) O O O33N (A,I) O O O33Q (A,I) O O P O33Q1 (C,B) O O O33S (A,I) O O O33S1 (C,B) S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S33T (A,I) O O O33U (A,I) O O O33U3 (C,B) O O O33V (A,I) O O O33W (C,B,A,I) O O O R R R33X (C,B,A,I) O O O R R33Y (C,B,A,I) O O O R R33Z (C,B,A,I) O O O R R O O33Z2 (A & I) O O O R R D34D (C,B,A,I) O O S S S O O O R34E (C,B) O O D R R O O O34E (I) O O D R O O O34F (A) O O R R O O O34F (I) O O R R O O O34G (A) O O O S S S S S S S R R S S S S S S S S S S O O S S S S S34G2 (C,B) O O O R R O O34G2 (I) O O O R R O O34H (A) O O R R O O O34H (I) O O R R O O O

2009 2010

34H (I) O O R R O O O34J (A&I) O O O R R O O34L (C,B,A,I) O O O D R R R O O O O O O O O O O T T T T O O34S (A) O O R R R O O O34S (I) O O R R O O O34S (C,B) O O R R O O O O34V (A) O O R R D M M O U U O O34V (I) O O D R R M M O U U O O34V (C,B) O O R R D M M O U U O O34Z (I) O R O O O35F (I) O O O O O35G (A,I) R O O O O35H1 (A) O O R R D O O35H1 (I) O O P R R D O O35H2 (A) O O R R D D O O

* 33V'15P N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N* 34H'17P N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N* 34H'18P N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N* 34S'22P N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N

*Extraction Well- Well in Operation H - Header Repair P - Pressure Exceedance U - Under Construction

C - Casing Repair M - Misc. Repair R - Redevelopment W - Water Quality Sampling

D - Disassembled N - Not Needed S - Surface Leakage X - Waiting for Repair

G - Grouted O - Other Circumstances T - Tremie Repair

11

12

HYDROGEOLOGIC EFFECTS

Figures 4 through 8 (pp. 13-17) show the average monthly groundwater elevation

against the 10-year average groundwater elevation (of the 10 preceding years) in the

vicinity of the barrier alignment in the R, C, B, A, and I Zones, respectively. Two graphs

were created for each aquifer to account for changes in groundwater elevation trends

along the barrier alignment: wells west of the San Gabriel River and wells east of the

San Gabriel River. It is important to note that the 10-year average does not represent

an injection goal but is simply included for the sake of comparison. For example, the

running 10-year average in this report is typically slightly lower than that shown in the

FY08-09 report because the FY08-09 data now included was actually slightly lower than

the FY98-99 data it replaced. The data includes all available semi-monthly, monthly,

semi-annual, and annual values for wells within the barrier alignment and landward for

approximately 2,000 feet from the barrier. As a result, the semi-monthly values are

“weighted” more heavily than the annuals in the calculation of the monthly average. In

each figure, monthly average groundwater elevations during FY 2009-10 are compared

with the averages of the previous 10 years (Fiscal Years 1999-00 to 2008-09).

13

14

15

16

17

18

Since groundwater elevations have remained below average throughout the Central

Basin, it is no surprise that the same is true in the area immediately surrounding the

ABP. As shown, groundwater elevations were only at or above historical averages a

few times during this entire reporting period, primarily in the fall months of 2009. These

ABP groundwater elevations have typically been below historical averages in recent

fiscal years as well, despite the barrier being back in operation following the FY06-07

shutdowns. This is likely due to significantly increased pumping from both the Central

and Orange County groundwater basins (both basin-wide as well as local to the barrier)

and reduced natural recharge in the Orange County groundwater basin.

It is noted that, in general, all the figures show the expected seasonal groundwater

elevation trend of higher elevations in the winter months (decreased pumping) and

lower elevations in the summer months (increased pumping). However, the seasonally

low groundwater elevations in July 2009 and May 2010 were further exacerbated by

barrier shutdowns. The other lower-than-expected elevation occurred in December

2009, but can also be attributed to one of the barrier shutdowns (identified in A-18).

The full barrier shutdowns in July 2009 and December 2009 were to temporarily and

then permanently repair a portion of the water supply pipeline upstream of the PRV.

The east-leg shutdown in May 2010 was to repair a portion of the supply pipeline

damaged by the Los Angeles Department of Water And Power.

Groundwater elevation contours for the R, C, B, A, and I Zones have been prepared

from data collected in March 2010 and are included in Appendix A-1.1, 2.1, 3.1, 4.1, and

5.1. A list of all data points used for these contours is also included in the Appendix (A-

1.3, 2.3, 3.3, 4.3, and 5.3). As expected, the contours show that the groundwater levels

typically decrease as you move landward of the barrier. The general shapes of each

contour are similar to the previous year and the effects of the barrier are demonstrated

in the various groundwater mounds seen around some of the injection wells. Also, it

should be noted that areas historically having higher groundwater elevation contours,

especially near the bend at the San Gabriel River, continue to have higher groundwater

19

elevations than their surroundings. Some of these historically higher areas (e.g., near

33XY and 33YZ) are also believed to be more sensitive to shutdowns because the

influencing injection wells (e.g., 33X, 33Y, and 33Z) inject into all four zones from one

casing and therefore require larger volumes of water to maintain protective elevations at

all four corresponding observation wells. These same observation wells demonstrate

the most significant changes in elevation from barrier startups and shutdowns and are

the largest contributors to the low and high points seen in Figures 4 through 8.

Also, this FY09-10 report is the first to include additional groundwater elevation contours

for the R, C, B, A, and I Zones that plot the change in elevation between March 2009

and March 2010 (A-1.2, 2.2, 3.2, 4.2, and 5.2). The data set is based on available data

from March 2010, which was then subtracted from the corresponding and available data

from March 2009 (shown in A-1.3, 2.3, 3.3, 4.3, and 5.3). These contours very clearly

identify the increases and decreases in elevations from one reporting period to the next,

and serve to replace the previous “Groundwater Elevation Summary” (Table 2 in past

JMC reports). A brief summary and discussion is as follows:

• R Zone:

o Two foot decreases in the northwest with a gradual gradient to 2-foot

increases in the southeast.

• C Zone:

o Localized 6 to 8-foot decreases around 33XYand 33YZ (because 33Z was

off for redevelopment immediately preceding the data collection and 33Y

was off for redevelopment at the time of data collection).

o Localized 2-foot decreases around 34L’1 to 34T0.1 (likely due to reduced

injection due to 34L’s inoperation at the time of data collection).

• B Zone:

o Localized 6 to 8-foot decreases around 33XYand 33YZ (because 33Z was

off for redevelopment immediately preceding the data collection and 33Y

was off for redevelopment at the time of data collection).

20

o Concentrated 4-foot decrease around 34T0.1 (likely due to the inoperation

of 34V during well reconstruction prior to the time of data collection).

o Increases of up to 2 feet in the northwest and 2 feet in the southeast.

• A Zone:

o Localized 4 to 6-foot decreases along the center of the barrier alignment

(because preceding or during the data collection, multiple wells in the area

were periodically off for redevelopment, 34G was off for surface leakage,

and 34L was off for tremie repairs).

o Localized 2-foot increases on west and southeast ends of the barrier.

• I Zone:

o Localized decreases of about 4 feet around 33XYand 33YZ (because 33Z

was off for redevelopment immediately preceding the data collection and

33Y was off for redevelopment at the time of data collection).

o Decreases of about 2 feet to 12 feet along the east leg of the barrier and

centered around 34T0.1 (partly because preceding or during the data

collection, 34L was off for tremie repairs, 34V was off for well

reconstruction, and a couple wells were redeveloped).

o Increases of up to 12 feet northwest of the barrier.

For further analyses of the C, B, A, and I Zone groundwater elevations, please refer to

the graphs included as Appendix A-13 through A-16. These graphs show the average,

maximum, and minimum groundwater elevations at each internodal observation well

throughout FY09-10 in relation to the ground surface and the protective elevation.

These graphs were implemented for the FY07-08 report as requested at the

corresponding JMC technical meeting and have replaced the previous graphs that

showed the elevations of individual wells over the given reporting period. As shown in

A-13 to A-16, the average groundwater elevation was below the protective elevation at

many wells along the barrier during FY09-10. However, elevations below the protective

elevation did not necessarily correlate with areas of high chloride concentrations. A

comparison of these graphs to the previous year’s graphs indicates that overall

21

elevations generally remained fairly steady, but, similar to what was seen in the

contours, there were a number of localized increases or decreases due to various

operational activities. In all cases, the southeast portion of the barrier remained below

protective elevations due to the limited injection capabilities (quantity of wells, pressure

limitations, maintenance, etc). It is important to note that the JMC is seeking to

remediate the limited injection capabilities in the southeast region through potential

additional wells, modeling studies, grouting operations, and condition assessments to

allow preventative maintenance.

CHLORIDES

Figures 9 through 13 (pp. 22 – 26) show the historical chloride concentrations (the

average of the maximum value throughout the year for each observation well) in the

individual aquifer zones. The data includes all available information from the annual

and semi-annual sampling events for wells within the barrier alignment and landward for

approximately 2,000 feet from the barrier. As a result, the semi-annual values are

“weighted” more heavily than the annuals in the calculation of the annual average. Two

sets of graphs were created for each aquifer to account for changes in chloride

concentration trends in the areas to the west and east of the San Gabriel River,

respectively. In each figure, the average of the annual maximum chloride

concentrations for the last 10 fiscal years (including this year) is shown with respect to

the freshwater condition (250 mg/L).

22

23

24

25

26

27

As shown, Recent Zone chloride concentrations decreased in both regions. East of the

San Gabriel River, FY09-10 chloride concentrations increased in every zone receiving

injection water, though in the C Zone values stayed “fresh” and in the B Zone it was a

small increase. The larger increases in the A and I Zones are primarily due to drastic

increases at only one or two wells in the southeast portion of the barrier (35H11 for the

A Zone; 35E0.1, 35F20, and 35H11 for the I Zone), likely due to limited injections.

West of the San Gabriel River, FY09-10 chloride concentrations in the A and I Zones

decreased and were at or below 250mg/L. However, westerly chloride concentrations

in the C and B Zones showed significant increases, mainly because of very high values

at 33ST that are the potential result of the barrier shutdown in July 2009. However, this

well was sampled 3 times during this reporting period and decreased substantially each

time (about 11,000mg/L decrease overall). The decreasing trend at this well is

expected to continue.

Chloride concentration contour maps for the R, C, B, A, and I Zones have been

prepared from data collected in the Spring of 2010 and are included in Appendix A-6.1,

A-7.1, A-8.1, A-9.1, and A-10.1, respectively. A list of all data points used for these

contours is also included in the Appendix (A-6.3, A-7.3, A-8.3, A-9.3, and A-10.3). The

chloride contour maps are based on the maximum chloride ion concentration (mg/L)

measured at each observation well. Chloride data was gathered from observation wells

located within the immediate vicinity of the barrier and does not represent basin-wide

conditions for the groundwater basin protected by the barrier. Wells with chloride

concentrations of 250 mg/L or less were considered fresh. The chloride measurements

used in this report were from the semi-annual sampling event in March 2010 and the

annual event in the February and March 2010. In a few instances, it was necessary to

incorporate data from previous reporting periods (provided it was historically consistent

and reasonable) in order to create the most accurate and complete representation of

the conditions around the barrier.

28

Also, this FY09-10 report is the first to include additional chloride concentration contours

for the R, C, B, A, and I Zones that plot the change in chloride concentration between

Spring 2009 and Spring 2010 (A-6.2, A-7.2, A-8.2, A-9.2, and A-10.2). The data set is

based on available data for Spring 2010, which was then subtracted from the

corresponding and available data for Spring 2009 (shown in A-6.3, A-7.3, A-8.3, A-9.3,

and A-10.3). These contours very clearly identify the increases and decreases in

chloride concentrations between these two reporting periods, and serve to replace the

previous “Chloride Concentration Summary” (Table 3 in past JMC reports).

The chloride concentration contours and chloride concentration cross-section (A-11) for

this reporting period indicate that intrusion of seawater across the barrier continued to

be controlled along much of the alignment. However, several areas recorded elevated

chloride concentrations. For all zones receiving injection water, the southeastern end of

the barrier continued to show elevated and increasing chloride concentrations at most

wells. Additional areas of high chloride concentrations and/or notable changes in

concentration (since the FY08-09 report) are as follows:

• R Zone – High chloride concentrations were present north of west leg along Los

Cerritos Channel and around 34L’1 on the east leg. Notable decreases and

increases occurred as shown but are independent of injection operations.

• C Zone – High chloride concentrations were found near the west leg along Los

Cerritos Channel. Increases in chloride concentrations occurred around the Los

Cerritos Channel and seaward, but there were generally minimal changes or

decreases landward of the barrier

• B Zone – West of the Los Cerritos Channel, there were high (and increased)

chloride concentrations. The increases at the southeast end of the barrier are

most significant at 34U8.

• A Zone – High chloride concentrations remain northwest of the west leg and

certain wells therein have increased. A small increase occurred at 33UV, but

the majority of the barrier alignment and landward showed minimal changes or

29

decreases in chloride concentrations, especially where the barrier intersects the

San Gabriel River.

• I Zone – Chloride concentrations decreased in general along the west leg and

northward. There were increases on the east leg at well 34LS.

There are three possible causes of the high chloride concentrations north of, northwest

of, and along portions of the ABP west leg (which was predominantly in steady

operation during this reporting period). These include the transportation of seawater

inland by the Los Cerritos Channel, a need for greater protection to prevent wrap-

around on that end of the barrier, and remaining seawater from previous intrusions. It is

likely that an increase in chloride concentrations at other locations is still a continued

result of the extended barrier shutdowns in 2006 and 2007. The drastic increase in

concentration at 34LS(I) is likely the result of the inoperation of 34L in the spring months

of 2010, which has since been remedied. Further, the chloride concentration decreased

at 34LS with each subsequent measurement throughout the reporting period (with a

total decrease of about 6,500mg/L) and is expected to further decrease quickly due to

the continued maximization of operations at 34L and 34S. The increases around much

of the southeast end of the barrier are likely caused by the limitations of the existing

injection wells.

It is important to note that the new OCWD observation wells provided additional data

within Orange County but are not used in the “change in concentration” contours since

no previous data was available. LACFCD is also planning additional observation wells

which will aid in further understanding the conditions within LA County, particularly north

and west of the west leg. Ultimately, both LACFCD and OCWD plan to utilize the

additional data to determine whether or not to construct additional injections wells as

necessary to better prevent seawater intrusion.

As discussed before, the extended shutdowns in FY06-07 and the resulting increases in

chloride concentrations demonstrated that the barrier is effective when in operation. As

expected, there were therefore many decreases in chloride concentrations in the FY07-

30

08 reporting period where the barrier resumed more normalized operation. In FY08-09,

there were multiple increases in concentration inland of the barrier in all zones except

the I Zone even though most internodal locations decreased, perhaps due to the

continued injection pushing small plumes of intrusion that arose during the prior

shutdowns. In FY09-10, there are indicators of the same small plumes moving further

inland but the barrier is effectively preventing new intrusion while in operation (34LS and

the southeast end of the barrier continue to show the impacts of limited operations).

It is imperative that the barrier operate consistently and continuously to best prevent

seawater intrusion. The JMC has discussed ways to minimize barrier down time and is

currently performing the condition assessment project of the entire facility that will allow

proactive maintenance rather than reactive. Additionally, the JMC will be ready to

pursue the fastest option for as-needed/emergency contract repair work. The JMC and

Public Works will continue to press forward to ensure that the ABP is most efficiently,

economically, and continuously protecting the region’s groundwater supplies.

31

FINANCING AND COSTS

This section of the report is divided into four parts: Water Costs, Services and Supplies

Costs (operation and maintenance), Fixed Assets Costs (capital outlay), and Budget.

Under the terms of the 1964 Cooperative Agreement between LACFCD and OCWD,

fixed assets are typically divided into facilities paid for by the LACFCD, facilities paid for

by the OCWD, and joint facilities paid for by both agencies, depending on their location.

Under the same agreement, water costs are divided between the LACFCD (whose

portion is paid by the WRD per a separate agreement) and the OCWD. The total cost

of the ABP in FY09-10 was $7,169,271 ($7,149,048 for injection-related operations,

maintenance, water, and approved LACFCD and OCWD project expenses; $20,223 for

maintenance of idle extraction wells).

WATER COSTS During the 2009-10 fiscal year, 5,629.2 acre-feet of water were injected at a total cost

of $4,013,439. The monthly water rates (dollars per AF) from July 2009 to June 2010

varied periodically as shown earlier in Table 1. The monthly quantity of water injected

and the total water costs paid by each respective agency are shown below in Table 2.

TABLE 2. QUANTITY OF WATER INJECTED AND COSTSMONTH AMT BY WRD (AF) AMT BY OCWD (AF) TOTAL AMT (AF)

Jul-09 240.4 62.3 302.7 Aug-09 361.3 189.9 551.2 Sep-09 355.1 196.9 552.0 Oct-09 434.9 128.8 563.7 Nov-09 411.2 136.6 547.8 Dec-09 254.0 103.6 357.6 Jan-10 473.6 90.3 563.9 Feb-10 425.4 52.3 477.7 Mar-10 409.3 83.1 492.4 Apr-10 340.4 95.8 436.2 May-10 253.6 73.6 327.2 Jun-10 349.4 107.4 456.8

TOTAL INJECTED 4,308.6 1,320.6 5,629.2 TOTAL COST ($)

[From Tbl. 1] $3,078,446 $934,993 $4,013,439

32

SERVICES AND SUPPLIES COSTS As shown in Appendix A-20, LACFCD spent a total of $3,155,832 on services and

supplies during the 2009-10 fiscal year (excluding liability insurance and water costs).

Pursuant to the 1964 Cooperative Agreement, the OCWD pays a percentage of the

services and supplies costs for injection operations proportional to the percentage of the

total amount of injection water paid for by the District. As a result, for this fiscal year,

LACFCD was responsible for 79% of the $3,043,151 for injection services and supplies

while OCWD was responsible for the remaining 23%. The distribution of FY 2009-10

services and supplies costs is summarized in Table 3.

TABLE 3. DISTRIBUTION OF SERVICES AND SUPPLIES COSTS FOR

INJECTION AND EXTRACTION ACTIVITIES

ITEM LOS ANGELES COUNTY

ORANGE COUNTY TOTAL

Operation and Maintenance of Injection

Facilities (including Observation Wells)

$2,343,532 $699,619 $3,043,151

Operation and Maintenance of

Extraction Facilities $20,223 $0 $20,223

Special Programs $92,458 $0 $92,458 SUBTOTAL $2,456,213 $699,619 $3,155,832

Liability Insurance $14,266 $14,266 $28,532 TOTAL $2,470,479 $713,885 $3,184,364

33

The yearly costs of the services and supplies (including special programs but excluding

water costs) for the last 20 years of injection operations are shown in Table 4.

TABLE 4. COSTS OF SERVICES AND SUPPLIES FOR INJECTION

Fiscal Year

Volume of Water Injected

(Ac-Ft) Total Cost Cost Per Ac-Ft

Injected

1990-91 6,167.7 $464,584 $75.33 1991-92 5,757.5 $865,016 $150.24 1992-93 5,240.8 $692,864 $132.21 1993-94 4,144.8 $584,975 $141.13 1994-95 3,495.7 $651,845 $186.47 1995-96 5,269.0 $509,377 $96.67 1996-97 5,739.4 $408,064 $71.10 1997-98 5,335.8 $923,342 $173.05 1998-99 5,330.4 $795,044 $149.15 1999-00 6,077.9 $589,168 $96.94 2000-01 5,398.8 $961,649 $178.12 2001-02 6,061.7 $713,299 $117.67 2002-03 5,012.3 $1,555,921 $310.42 2003-04 5,879.7 $730,652 $124.27 2004-05 5,066.1 $918,020 $181.21 2005-06 3,457.8 $1,605,456 $464.30 2006-07 1,265.1 $2,309,300 $1,825.39 2007-08 5,971.1 $3,513,957 $588.49 2008-09 7,936.2 $1,875,902 $236.37 2009-10 5,629.2 $3,135,608 $557.03

1 The higher costs per Ac-Ft injected in FY05-06 and beyond are typically because these years included

costs for multiple repairs and/or capital improvement projects whereas not all other years did. The cost is

especially high in FY06-07 because the improvement projects, observation well cleanouts, costs related

to the reclaimed water program, and various fixed costs were still incurred despite reduced injections due

to the extended shutdowns for repairs.

34

The costs of the services and supplies for extraction operations for the last 20 years,

including electrical costs, are shown in Table 5.

TABLE 5. COSTS OF SERVICES AND SUPPLIES FOR EXTRACTION

Fiscal Year

Volume of Water Extracted (Ac-Ft) Total Cost Cost Per Ac-Ft

Extracted 1990-91 1,278.0 $172,230 $134.77 1991-92 1,378.4 $151,520 $109.92 1992-93 1,136.1 $99,099 $87.23 1993-94 992.0 $169,621 $170.99 1994-95 940.7 $148,122 $157.46 1995-96 998.4 $130,901 $131.11 1996-97 1,200.9 $51,077 $42.53 1997-98 883.5 $64,774 $73.32 1998-99 775.6 $52,043 $67.10 1999-00 679.9 $41,320 $60.77 2000-01 404.8 $49,769 $122.95 2001-02 495.0 $53,153 $107.38 2002-03 262.7 $63,165 $240.45 2003-04 0.0 $6,068 N/A 2004-05 0.0 $3,043 N/A 2005-06 0.0 $2,857 N/A 2006-07 0.0 $3,224 N/A 2007-08 0.0 $4,224 N/A 2008-09 0.0 $14,742 N/A 2009-10 0.0 $20,223 N/A

The increase in cost for the last two fiscal years is due to increased maintenance needs

at two of the deteriorating extraction well sites, 33V’15P and 34H’17P.

FIXED ASSETS During Fiscal Year 2009-10, there were no new LACFCD facilities or joint facilities

added to the ABP. However, new OCWD facilities consisted of 8 observation wells

casings as discussed earlier in the “Projects and Studies” section.

35

Public Works spent $1,319,623 on multiple capital improvement projects (including

contracts and labor), primarily on the groundwater model, the wells and facilities

condition assessment, and the implementation of cathodic protection along the supply

line. However, small amounts were also spent on the new injection well assessment

project, as well as some minimal wrap-up costs for the telemetry system phase 2 and

the ABP pressure reducing valve renovation. As agreed at the previous annual JMC

meetings, these capital improvement costs (minus the groundwater model and condition

assessment contract expenses dealt with per separate agreements) were incorporated

into the operation and maintenance costs (i.e., services and supplies) so that OCWD

covered a portion of these costs in accordance with the distribution of water delivered

(23%). Also, OCWD contributed an additional $130,815 (shown in Appendix A-21) to

cover their remaining balance due on the cathodic protection projects contract costs

because it had been previously agreed that OCWD would cover 32% (based on the 5-

year FY00-01 to FY04-05 water distribution average) of the total cathodic protection

contract costs and yet has only been paying annually per the respective distribution of

water delivered (which have been lower than 32%). Therefore, in FY09-10, OCWD was

responsible for $424,144 (32%) of LACFCD’s $1,319,623 expenses on capital

improvement projects (see Appendix A-20).

The actual contract costs for the groundwater model and the condition assessment

projects have been, and will continue to be, divided according to the cost-sharing

agreements between LACFCD, OCWD, and WRD.

BUDGET The FY2011-12 budget for the ABP is $1,835,200. A breakdown of this amount, along

with past expenditures per category, is shown in Appendix A-22. Note that amounts for

WRD are shown in addition to those for LACFCD and OCWD.

-8-6

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33S 18

33T 29

33T'13

33T'24

33V' 833

V'14

33W

54

33W

'14

33W

'17

33W

X

33X 20

33Y 10

33Y'35

33Z' 1

34E'1334

E'23

34F 5

34H'17

34J'1

2

34L'

1

34Q'22

34V'18

34W

' 5

35D' 5 35

H 11

35N0.1

35S'24

Alamitos Barrier ProjectR Zone Groundwater Elevation (ft) Contours March 2010

Observation Well Locations

Injection Well Locations

Barrier Alignment

Recent Zone Boundary

Recent Zone Mergence

R z

one

GW

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A-1.1

Production Wells

The data points for these contours are listed in Appendix A-1.3.

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633S 18

33T 29

33T'13

33T'24

33V' 8

33V'14

33W

54

33W

'14

33W

'17

33W

X

33X 20

33Y 10

33Y'35

33Z' 1

34E'13

34E'23

34F 5

34H'17

34J'1

2

34L'

1

34Q'22

34V'18

34W

' 5

35D' 5

35H 11

35N0.1

35S'24

Alamitos Barrier ProjectR Zone: Change in Elevation(ft), March 2009 to March 2010



Barrier Alignment



R z

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A-1.2

Production Wells


ALAMITOS BARRIER PROJECTR-Zone

Groundwater Elevation Data for Contours and Tables

POINT PROJ FCD AQUIFER DATE FY 09-10 ELEV P.E.1 ∆2 FY 08-09

ELEVCHANGE IN

ELEV1 33S 18 492AH RECENT 20100217 ‐4.0 ‐0.4 -3.62 33T 29 491D RECENT 20100210 -0.5 -0.7 0.23 33T'13 492AU RECENT 20100208 1.3 1.7 -0.44 33T'24 493SS RECENT 20100309 -1.0 -0.3 -0.75 33V' 8 492BY (R,A) 20100208 1.6 3.6 -2.0

6 33V'14 492KK RECENT 20100324 -2.9 -2.5 -0.47 33W 54 501C RECENT 20100222 -0.9 -1.5 0.68 33W'14 492AT RECENT 20100209 3.7 2.7 1.0

9 33W'17 493PP RECENT 20100208 -0.3 1.2 -1.510 33WX 502AZ RECENT 20100330 -1.2 2.0 -3.2 -1.3 0.111 33X 20 502L RECENT 20100302 -0.5 -1.8 1.312 33Y 10 502BA RECENT 20100225 -1.4 -2.0 0.613 33Y'35 493AB RECENT 20100204 -1.4 -1.4 0.014 33Z' 1 502AU RECENT 20100304 -0.4 -1.5 1.115 34E'13 503AU RECENT 20100301 1.9 2.4 -0.516 34E'23 503X RECENT 20100303 1.4 1.3 0.117 34F 5 502BT RECENT 20100303 -2.2 -3.1 0.918 34H'17 503Y RECENT 20100303 -0.3 -0.4 0.119 34J'12 503U RECENT 20100303 -1.4 -0.7 -0.720 34L' 1 503P RECENT 20100330 -2.5 -2.3 -0.221 34Q'22 503T RECENT 20100303 -1.7 -4.1 2.422 34V'18 503V RECENT 20100303 -2.7 -4.6 1.923 34W' 5 503AH RECENT 20100304 -3.9 -2.3 -1.624 35D' 5 503AL RECENT 20100304 -4.4 -5.5 1.125 35H 11 514F RECENT 20100330 -9.2 2.0 -11.2 -11.7 2.526 35N0.1 504M RECENT 20100227 -8.1 -10.4 2.327 35S'24 504K RECENT 20100303 2.5 0.1 2.4

AVG= -1.4 AVG= -1.7

1 P.E. represents the protective elevations calcuated for internodal wells.2 ∆ (+/-) represents how much groundwater level is above/below respective P.E.

= A max. or min. elevation during that period.

A-1.3

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33ST

33X 10

33XY

33YZ

34D' 6

34DG

34F 5

34F'13

34JL

34L'

1

34L 1

0

34LS

34T0.1

34U 8

35F 20

35K1

PZ5

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Alamitos Barrier ProjectC Zone Groundwater Elevation (ft) Contours March 2010



Barrier Alignment



C z

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A-2.1

The data points for these contours are listed in Appendix A-2.3

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33ST

33X 10

33XY

33YZ

34D' 6

34DG

34F 5

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34JL

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34T0.1

34U 8

35F 20

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Alamitos Barrier ProjectC Zone: Change in Elevation (ft), March 2009 to March 2010



Barrier Alignment



C z

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A-2.2


ALAMITOS BARRIER PROJECTC-Zone



ELEVCHANGE IN ELEV

1 33ST 492BK (C,B) 20100330 1.8 0.9 0.9 0.9 0.92 33X 10 502BB C ZONE 20100302 -0.6 0.6 -1.23 33XY 502BL C ZONE 20100330 2.5 5.4 -2.9 10.0 -7.54 33YZ 502AB C ZONE 20100315 2.0 5.4 -3.4 10.6 -8.65 34D' 6 502BF C ZONE 20100304 -1.7 -1.9 0.26 34DG 502X C ZONE 20100330 2.8 5.4 -2.6 5.3 -2.57 34F 5 502BU C ZONE 20100303 2.1 3.7 -1.68 34F'13 503R C ZONE 20100301 1.2 1.7 -0.59 34JL 503AR C ZONE 20100330 -5.9 4.2 -10.1 -3.6 -2.310 34L' 1 503N C ZONE 20100330 -5.1 -2 -3.111 34L 10 502AK C ZONE 20100303 -5.4 -4.8 -0.612 34LS 503BF C ZONE 20100330 -5.0 4.5 -9.5 -2.8 -2.213 34T0.1 503AB C ZONE 20100330 -4.3 3.6 -7.9 -1.8 -2.514 34U 8 513D C ZONE 20100303 -6.5 -6.1 -0.415 35F 20 513L C ZONE 20100303 -4.4 -10.4 6.016 35K1 523D C 20100330 -8.4 N/A N/A17 PZ5 492CH (C,B) 20100203 2.0 2.1 -0.1

AVG= -1.9 AVG= 0.1



A-2.3

Alamitos Barrier ProjectB Zone Groundwater Elevation (ft) Contours March 2010

Date: 06/27/06


Barrier Alignment



B zo

ne G

W.s

rf

A-3.1

The data points for these contours are listed in Appendix A-21.

-20

-16

-12

-8

-8

-4

-4

0

0

4

GSW

C-M

onte

cito

(Ina

ctiv

e)

GSW

C-Y

ello

wta

il

SB-L

eisu

re W

orld

Wel

l #6

33H 57

33JL 33

NQ

33Q 9

33Q 15

33S 18

33ST

33T 3

33X 10

33X 20

33XY

33YZ

33Z 13

34D' 6

34DG

34F 5

34JL

34L 1

0

34LS

34T0.1

34U 8

35F 20

35J1

35K1

PZ5


Alamitos Barrier ProjectB Zone: Change in Elevation (ft), March 2009 to March 2010

Date: 06/27/06


Barrier Alignment



B zo

ne G

W.s

rf

A-3.2

The data points for these contours are listed in Appendix A-21.

-6

-4

-4

-4

-2-2

-2

0

0

0

0

0

2

GSW

C-M

onte

cito

(Ina

ctiv

e)

GSW

C-Y

ello

wta

il

SB-L

eisu

re W

orld

Wel

l #6

33H 57

33JL

33NQ 33

Q 9

33Q 15 33

S 18

33ST

33T 3

33X 10

33X 20

33XY

33YZ

33Z 13

34D' 6

34DG

34F 5

34JL

34L 1

0

34LS

34T0.1 34

U 8

35F 20

35J1

35K1

PZ5


ALAMITOS BARRIER PROJECTB-Zone



ELEVCHANGE IN ELEV

1 33H 57 481 B ZONE 20100330 -24.0 -23.8 -0.22 33JL 492BQ B ZONE 20100330 1.2 0.8 0.4 1.2 0.03 33NQ 492BP (A,I) 20100330 2.8 0.7 2.1 2.5 0.34 33Q 9 492CM B ZONE 20100302 0.5 -1.0 1.55 33Q 15 492AN B ZONE 20100216 -8.8 -3.9 -4.96 33S 18 492AF B ZONE 20100217 -6.6 -6.7 0.17 33ST 492BK (C,B) 20100330 1.8 0.9 0.9 0.9 0.98 33T 3 492CL B ZONE 20100302 6.2 3.8 2.49 33X 10 502BC B ZONE 20100302 1.3 3.0 -1.7

10 33X 20 502K B ZONE 20100302 -11.2 -10.6 -0.611 33XY 502BM B ZONE 20100330 2.6 6.3 -3.7 10.0 -7.412 33YZ 502AC B ZONE 20100330 0.5 7.1 -6.6 9.3 -8.813 33Z 13 502E B ZONE 20100324 -2.7 -2.8 0.114 34D' 6 502BG B ZONE 20100304 4.1 6.5 -2.415 34DG 502Y B ZONE 20100330 2.9 6.6 -3.7 5.3 -2.416 34F 5 502BS B ZONE 20100303 4.1 7.0 -2.917 34JL 503AQ B ZONE 20100330 -5.4 5.3 -10.7 -2.9 -2.518 34L 10 502AL B ZONE 20100303 -4.8 -3.5 -1.319 34LS 503BE B ZONE 20100330 -4.0 5.4 -9.4 -0.9 -3.120 34T0.1 503AC B ZONE 20100330 -1.7 6.1 -7.8 3.8 -5.521 34U 8 513E B ZONE 20100303 -7.6 -7.1 -0.522 35F 20 513K B ZONE 20100303 -8.3 -9.3 1.023 35J1 514M B ZONE 20100330 -9.8 5.8 -15.6 -12.1 2.324 35K1 523A B ZONE 20100330 -11.7 5.8 -17.5 -13.7 2.025 PZ5 492CH (C,B) 20100203 2.0 2.1 -0.1

AVG= -3.1 AVG= -1.7



A-3.3

-20

-16

-16

-12-12

-12

-8 -8

-8

-4-4

-4

0

0

0

4 4

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

32U 15

33H'13

33JL33

L 3

33L 2

3

33N 21

33NQ33

Q 15

33S 18

33S 20

33S 4333

S 52

33ST

33T 15

33T 29

33U' 3

33UV

33V' 8

33W

X

33X 10

33X 20

33XY

33Y 42

33YZ

33Z' 1

34D' 6

34DG

34F 5

34F'13

34HJ

34JL

34L 1

0

34LS

34N 21

34U 8

34VZ

34W

' 5

35E0.1

35F 20

35H 11

35H 12

35J1

35K1

36F' 1



Barrier Alignment


Alamitos Barrier ProjectA Zone Groundwater Elevation (ft) Contours - March 2010

A z

one

GW

.srf

A-4.1


-6

-4

-2

-2

-2

-2

0

0

0

0

0

2

2

2

22

2

4

32U 15

33H'13

33JL

33L

3

33L 2

3

33N 21

33NQ33Q 15

33S 18

33S 20

33S 4333

S 52

33ST

33T 15

33T 29

33U' 3

33UV

33V' 8

33W

X

33X 1033

X 20

33XY

33Y 42

33YZ

33Z' 1

34D' 6

34DG

34F 5

34F'13

34HJ

34JL

34L 1

0

34LS

34N 21

34U 8

34VZ

34W

' 5

35E0.1

35F 20

35H 11

35H 12 35

J1

35K1

36F' 1



Barrier Alignment


Alamitos Barrier ProjectA Zone: Change in Elevation, March 2009 to March 2010

A z

one

GW

.srf

A-4.2


0

ALAMITOS BARRIER PROJECTA-Zone



ELEVCHANGE IN

ELEV

1 32U 15 482M A ZONE 20100203 ‐8.3 -8.0 -0.32 33H'13 493YY R,A 20100204 0.1 -0.6 0.73 33JL 492BW (A,I) 20100211 4.1 3.1 1.0 0.2 3.94 33L 3 492 A ZONE 20100203 5.3 3.7 1.65 33L 23 492RR A ZONE 20100216 -15.6 -15.4 -0.26 33N 21 492BU A ZONE 20100217 -12.5 -12.3 -0.27 33NQ 492BP (A,I) 20100330 2.8 3.6 -0.8 4.1 -1.38 33Q 15 492AM A 20100216 -7.9 -7.6 -0.39 33S 18 492AE A ZONE 20100217 -6.6 -5.6 -1.010 33S 20 492BR A ZONE 20100219 -10.4 -10.9 0.511 33S 43 491E A 20100210 -17.7 -17.5 -0.212 33S 52 491H A ZONE 20100218 -18.2 -22.8 4.613 33ST 492BL A ZONE 20100330 1.5 2.8 -1.3 4.1 -2.614 33T 15 492SS A ZONE 20100209 -5.2 -4.5 -0.715 33T 29 491C A ZONE 20100210 -12.2 -11.8 -0.416 33U' 3 492WW A ZONE 20100208 6.5 7.5 -1.017 33UV 492BH A ZONE 20100330 0.6 4.0 -3.4 4.9 -4.318 33V' 8 492BY (R,A) 20100208 1.6 3.6 -2.019 33W110 1009K A ZONE 20100323 -47.2 -45.5 -1.720 33WX 502AF A ZONE 20100330 -0.9 7.6 -8.5 4.6 -5.521 33X 10 502BD A ZONE 20100302 -4.0 -2.2 -1.822 33X 20 502J A ZONE 20100302 -10.8 -10.1 -0.723 33XY 502BN A ZONE 20100330 -1.8 8.0 -9.8 4.6 -6.424 33Y 42 501A A ZONE 20100222 -20.5 -22.1 1.625 33YZ 502AD A ZONE 20100330 -1.8 8.7 -10.5 5.4 -7.226 33Z' 1 502G A ZONE 20100304 0.9 4.5 -3.627 34D' 6 502BH A ZONE 20100304 1.3 4.3 -3.028 34DG 502Z A ZONE 20100330 -3.7 8.5 -12.2 1.4 -5.129 34F 5 502BR A ZONE 20100303 -3.4 -1.1 -2.330 34F'13 503Q A ZONE 20100304 1.9 1.6 0.331 34HJ 502BX A ZONE 20100330 -3.0 8.6 -11.6 3.3 -6.332 34JL 503AP A ZONE 20100330 -2.9 7.8 -10.7 3.3 -6.233 34L 10 502AM A ZONE 20100303 -1.7 0.6 -2.334 34LS 503BD A ZONE 20100211 -1.1 2.8 -3.935 34N 21 512B A ZONE 20100302 -11.2 -10.3 -0.936 34U 8 513F A ZONE 20100303 -1.5 0.8 -2.337 34VZ 503BH A ZONE 20100211 -0.7 4.4 -5.1 0.4 -1.138 34W' 5 503AJ A ZONE 20100304 -3.6 0.6 -4.239 35E0.1 503BK A ZONE 20100330 -5.1 2.4 -7.5 -7.6 2.540 35F 20 513J A ZONE 20100303 -8.6 -9.8 1.241 35H 11 514G A ZONE 20100301 -9.1 3.8 -12.9 -8.6 -0.542 35H 12 514D A ZONE 20100330 -10.1 3.8 -13.9 -12.9 2.843 35J1 514L A ZONE 20100330 -9.8 6.2 -16.0 -12.3 2.544 35K1 523B A ZONE 20100330 -11.6 5.8 -17.4 -13.4 1.845 36F' 1 505D A ZONE 20100308 -6.5 -8.5 2.0

AVG = -6.0 AVG = -4.8



A-4.3

-20

-20

-16

-16

-16

-12

-12

-12

-12

-8

-8

-8

-4

-4-4

0

0

4

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

32V 22

33G 9

33H'13

33JL

33N 21

33NQ

33S 20

33ST

33T 12

.5

33T'24

33U' 3

33UV

33V' 8

33W

X33

X 10

33X 20

33XY

33Y'35

33YZ

34D' 6

34DG

34E'13

34F 5

34GH

34HJ

34JL

34L 1

0

34LS

34N 21

34T0.1

34U 8

34VZ

34W

' 5

35D' 5

35E0.1

35F 20

35H 11

35N0.1

35J1 35

K1

Alamitos Barrier ProjectI Zone Groundwater Elevation (ft) Contours March 2010



Barrier Alignment



I zon

e G

W.s

rf

A-5.1


4

-10-8

-6

-4

-4-4

-4

-4

-2

-2

-2

0

0

0

0

2

2

4

6810

12

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

32V 22

33G 9

33H'13

33JL

33N 21

33NQ

33S 20

33ST

33T 12

.5

33T'24

33U' 333

UV

33V' 8

33W

X

33X 10

33X 20

33XY

33Y'35

33YZ

34D' 6

34DG

34E'13

34F 5

34GH

34HJ

34JL

34L 1

0

34LS

34N 21

34T0.1

34U 8

34VZ

34W

' 5

35D' 5

35E0.1

35F 20

35H 11

35N0.1

35J1

Alamitos Barrier ProjectI Zone: Change in Elevation (ft), March 2009 to March 2010



Barrier Alignment



I zon

e G

W.s

rf

A-5.2


ALAMITOS BARRIER PROJECTI-Zone



ELEVCHANGE IN

ELEV1 32V 22 482N I ZONE 20100203 -10.1 -13.2 3.12 33G 9 482G I ZONE 20100204 -15.2 -15.1 -0.13 33H'13 493XX I ZONE 20100204 0.1 0.3 -0.24 33JL 492BW (A,I) 20100211 4.1 3.1 1.0 0.2 3.95 33N 21 492BV I ZONE 20100217 -12.5 -30.3 17.86 33NQ 492BP (A,I) 20100211 2.8 3.6 -0.8 4.1 -1.37 33S 20 492BS I ZONE 20100208 -10.4 -22.8 12.48 33ST 492BM I ZONE 20100330 0.9 4.2 -3.3 2.4 -1.59 33T 12.5 492BT I ZONE 20100301 -20.7 -19.9 -0.8

10 33T'24 493RR I ZONE 20100308 -0.1 -0.2 0.111 33U' 3 492QQ I ZONE 20100208 5.8 6.1 -0.312 33UV 492BJ I ZONE 20100330 1.3 6.1 -4.8 4.1 -2.813 33V' 8 492BX I ZONE 20100208 1.7 3.2 -1.514 33WX 502AG I ZONE 20100330 -8.9 10.4 -19.3 -5.1 -3.815 33X 10 502BE I ZONE 20100302 -20.1 N/A N/A16 33X 20 502H I ZONE 20100302 -23.5 -22.9 -0.617 33XY 502BP I ZONE 20100330 -12.6 11.0 -23.6 -7.7 -4.918 33Y'35 493ZZ I ZONE 20100204 -1.5 -0.9 -0.619 33YZ 502AE I ZONE 20100330 -12.3 11.1 -23.4 -7.2 -5.120 34D' 6 502BI I ZONE 20100304 -11.0 -6.7 -4.321 34DG 502AA I ZONE 20100330 -8.7 11.1 -19.8 -7.1 -1.622 34E'13 503AT I ZONE 20100304 -9.8 -6.8 -3.023 34F 5 502BQ I ZONE 20100303 -12.7 -9.8 -2.924 34GH 502BV I ZONE 20100330 -8.8 11.3 -20.1 -7.3 -1.525 34HJ 502BW I ZONE 20100330 -8.7 11.0 -19.7 -5.1 -3.626 34JL 503AN I ZONE 20100330 -11.4 10.5 -21.9 -3.7 -7.727 34L 10 502AN I ZONE 20100303 -16.3 -13.4 -2.928 34LS 503BC I ZONE 20100330 -11.4 9.5 -20.9 -3.2 -8.229 34N 21 512C I ZONE 20100302 -21.8 -19.9 -1.930 34T0.1 503AD I ZONE 20100330 -10.4 8.4 -18.8 1.2 -11.631 34U 8 513G I ZONE 20100303 -15.0 -10.3 -4.732 34VZ 503BG I ZONE 20100211 -7.2 5.9 -13.1 2.5 -9.733 34W' 5 503AK I ZONE 20100304 -3.6 -0.7 -2.934 35D' 5 503AM I ZONE 20100304 -4.5 -5.6 1.135 35E0.1 503BJ I ZONE 20100211 -4.5 3.0 -7.5 -7.8 3.336 35F 20 513H I ZONE 20100303 -9.2 -10.8 1.637 35H 11 514H I ZONE 20100330 -14.8 5.5 -20.3 -9.5 -5.338 35N0.1 504N I ZONE 20100227 -8.1 -10.1 2.039 35J1 513M I ZONE 20100301 -15.6 N/A N/A40 35K1 523C I ZONE 20100330 -23.5 N/A N/A

AVG= -9.2 AVG= -7.0



A-5.3

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

250500

1000

1000

5000

5000

5000

10000

1000

0

32Y'43

33H'13

33L 3

0

33S 18

33S 52

33T 29

33T'13

33T'24

33V' 8

33V'14

33V'46

33W

54

33W

'14

33W

'17

33W

X

33X 20

33Y 10

33Y'35

33Z' 1

34D0.1

34E'13

34E'23

34F 5

34H'17

34J'1

2 34L'

134N' 7

34Q'22

34V'18

34W

' 5

35D' 5

35H 11

35K'12

35N0.1

35S'24

R z

one

CL.

srf

A-6.1

* The data points used to create these contours are listed in Appendix A-6.3

Alamitos Barrier ProjectR Zone Chloride Concentration (mg/L) Contours: Spring 2010



Barrier Alignment



10000 mg/L Chloride Contour





1000

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

-1000

-1000-1

000

-500

-500

-500

-500

0

0

0

0500

500

500

500

500

1000

1000

1000

1000

32Y'43

33H'13

33L 3

0

33S 18

33S 52

33T 29

33T'13

33T'24

33V' 8

33V'14

33V'46

33W

54

33W

'14

33W

'17

33W

X

33X 20

33Y 10

33Y'35

33Z' 1

34D0.1

34E'13

34E'23

34F 5

34H'17

34J'1

2

34L'

1

34N' 7

34Q'22

34V'18

34W

' 5

35D' 5

35H 11

35N0.135

S'24

R z

one

CL.

srf

A-6.2


Alamitos Barrier ProjectR Zone:Change in Chloride Concentration, Spring 2009 to Spring 2010



Barrier Alignment



For C

onto

urs

ELE

V 1

(ft)

CH

L 1

(mg/

L)E

LEV

2 (f

t)C

HL

2 (m

g/L)

ELE

V 3

(ft)

CH

L 3

(mg/

L)M

AX

CH

L. 0

9-10

132

Y'4

3 4

93W

W20

0904

13R

-43

9,00

09,

000

9,00

00

233

H'1

3 4

93Y

Y20

1002

04(R

,A)

-18

2,40

0-3

82,

700

-58

3,00

03,

000

2,15

085

03

33L

30 4

91G

2010

0215

R-5

03,

250

3,25

01,

500

1,75

04

33S

18

492

AH

2010

0217

R-6

714

,800

14,8

0030

,300

-15,

500

533

S 5

2 4

91J

2010

0218

R-5

43,

700

3,70

03,

550

150

633

T 29

491

D20

1002

10R

-56

4,90

04,

900

4,65

025

07

33T'

13 4

92A

U20

1002

08R

-41

11,1

00-5

110

,800

11,1

006,

200

4,90

08

33T'

24 4

93S

S20

1003

09R

-17

9,60

09,

600

14,5

50-4

,950

933

V' 8

492

BY

2010

0208

(R,A

)-2

418

,500

-48

18,7

0018

,700

17,5

501,

150

1033

V'1

4 4

92JJ

2010

0208

R-6

618

,300

18,3

0012

,200

6,10

011

33V

'46

493

UU

2008

0401

R-6

16,

600

6,60

06,

600

012

33W

54

501

C20

1002

22R

-33

160

-53

190

190

240

-50

1333

W'1

4 4

92A

T20

1002

09R

-46

21,5

00-6

615

,900

21,5

0015

,300

6,20

014

33W

'17

493

PP

2010

0208

R-4

16,

200

-51

6,30

06,

300

11,0

00-4

,700

1533

WX

502

AZ

2010

0316

R-4

518

018

080

100

1633

X 2

0 5

02L

2010

0317

R-6

21,

250

1,25

01,

200

5017

33Y

10

502

BA

2010

0225

R-5

83,

100

-83

6,30

06,

300

5,55

075

018

33Y

'35

493

AB

2010

0204

R-3

627

,700

27,7

0025

,000

2,70

019

33Z'

1 5

02A

U20

1003

23R

-46

2,00

0-5

62,

050

2,05

077

51,

275

2034

D0.

1 5

02A

X20

0810

16R

-54

2,20

02,

200

2,20

00

2134

E'1

3 5

03A

U20

1003

01R

-19

425

-52

120

425

260

165

2234

E'2

3 5

03X

2010

0303

R-4

310

010

018

,800

-18,

700

2334

F 5

502

BT

2010

0316

R-1

3610

5-1

4610

0-1

5610

010

510

05

2434

H'1

7 5

03Y

2010

0302

R-4

66,

650

6,65

06,

500

150

2534

J'12

503

U20

1003

03R

-28

7,65

0-3

66,

250

7,65

08,

800

-1,1

5026

34L'

1 5

03P

2010

0322

R-6

27,

150

7,15

04,

850

2,30

027

34N

' 7 5

03A

E20

0904

15R

-51

2,75

0-6

12,

850

-70

4,20

04,

200

4,20

00

2834

Q'2

2 5

03T

2010

0303

R-4

212

,150

-57

11,2

0012

,150

13,6

00-1

,450

2934

V'1

8 5

03V

2010

0303

R-4

850

050

07,

800

-7,3

0030

34W

' 5 5

03A

H20

1003

04R

-51

10,2

5010

,250

10,3

00-5

031

35D

' 5 5

03A

L20

1003

04R

-57

1,30

01,

300

1,20

010

032

35H

11

514

F20

1003

30R

-42

450

-65

900

900

300

600

3335

K'1

2 5

04R

2010

0222

R-4

495

0-5

41,

000

1,00

0n/

an/

a34

35N

0.1

504

M20

1002

27R

-38

5,95

0-6

213

,500

13,5

0013

,100

400

3535

S'2

4 5

04K

2010

0308

R-1

428

,850

28,8

5031

,600

-2,7

50

AQ

UIF

ER

For C

ross

-Sec

tion

(Inte

rnod

al W

ells

in B

old)

MA

X C

HLO

RID

E

08-0

9C

hang

e in

Chl

orid

e(F

Y09

-10

- FY

08-0

9)

A-6.3

ALA

MIT

OS

BA

RR

IER

PR

OJE

CT

R-Z

ON

E C

HLO

RID

E C

ON

CEN

TRA

TIO

NS

Chl

orid

e D

ata

Use

d fo

r Con

tour

s an

d C

ross

-Sec

tion

No.

PR

OJ

FCD

DA

TE

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

250

250

250

500

500

500

1000

1000

5000

33S 18

33ST

33T 13

33U 11

33W

11

33X 10

33XY

33YZ

34D' 6

34DG

34F 5

34F 10

34F'13

34JL

34L'

1

34L 1

0

34LS

34T0.1

34U 8

34X40

35F 20

35K1

PZ5

C z

one

CL.

srf

A-7.1




Barrier Alignment



Alamitos Barrier ProjectC Zone Chloride Concentration (mg/L) Contours: Spring 2010





250 mg/L Chloride Contour500 mg/L Chloride Contour


5000 mg/L Chloride Contour10,000 mg/L Chloride Contour

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

-500

-5000

0

500

1000

33S 18

33ST33T 13

33U 11

33W

11

33X 10

33XY

33YZ

34D' 6

34DG

34F 534

F 10

34F'13

34JL

34L'

1

34L 1

0

34LS

34T0.1

34U 8

35F 20

PZ5

C z

one

CL.

srf

A-7.2




Barrier Alignment



Alamitos Barrier ProjectC Zone: Change in Chloride Concentration, Spring 2009 to Spring 2010

For C

onto

urs

ELE

V 1

(ft)

CH

L 1

(mg/

L)E

LEV

2 (f

t)C

HL

2 (m

g/L)

ELE

V 3

(ft)

CH

L 3

(mg/

L)M

AX

CH

L. 0

9-10

133

S 1

8 4

92A

G20

1002

17C

-225

2,30

02,

300

2,95

0-6

502

33ST

492

BK

2010

0311

(C,B

)-2

59,

200

9,20

07,

800

1,40

03

33T

13 4

92A

C20

0911

05C

-199

160

160

180

-20

433

U 1

1 4

92A

L20

1003

15C

-186

1,50

01,

500

1,15

035

05

33W

11

502

R20

1003

11C

-183

120

-216

150

150

130

206

33X

10

502

BB

2010

0224

C-1

9050

-215

100

100

650

-550

733

XY 5

02B

L20

1003

16C

-195

130

-210

100

130

8545

833

YZ 5

02A

B20

1003

16C

-195

100

-210

100

100

100

09

34D

' 6 5

02B

F20

1002

25C

-125

14,0

0014

,000

12,0

002,

000

1034

DG

502

X20

1003

22C

-190

140

-205

130

140

100

4011

34F

5 5

02B

U20

1003

16C

-191

100

-201

100

-211

130

130

130

012

34F

10 5

02A

P20

1003

17C

-210

130

130

120

1013

34F'

13 5

03R

2010

0301

C-4

33,

250

3,25

02,

650

600

1434

JL 5

03A

R20

1003

25C

-161

170

170

8585

1534

L' 1

503

N20

1003

22C

-162

150

150

350

-200

1634

L 10

502

AK

2010

0302

C-1

6675

7510

5-3

017

34LS

503

BF

2010

0324

C-1

3315

0-1

5190

-163

9015

012

030

1834

T0.1

503

AB

2010

0324

C-1

3430

030

024

060

1934

U 8

513

D20

1003

25C

-150

120

-165

130

130

120

1020

35F

20 5

13L

2010

3010

C-7

028

0-7

835

0-8

569

069

090

600

21PZ

5 4

92C

H20

1002

03(C

,B)

-24

750

750

2,00

0-1

,250

2234

X40

513Q

2010

0323

C-8

580

-101

9090

n/a

n/a

2335

K1

523

D20

1005

04C

-88

405

-98

460

460

n/a

n/a

2433

Q1

5025

0n/

a25

33U

350

250

n/a

2633

W50

250

n/a

2733

X50

n/a

n/a

2833

Y50

n/a

n/a

2933

Z50

n/a

n/a

3034

D50

250

n/a

3134

E50

250

n/a

3234

G2

5025

0n/

a33

34L

5025

0n/

a34

34S

5025

0n/

a35

34V

5025

0n/

a

DP

= D

umm

y P

oint

with

an

assu

med

chl

orid

e co

ncen

tratio

n of

50

mg/

L. P

lace

d at

wel

ls th

at w

ere

inje

ctin

g in

to th

is z

one

durin

g th

is re

porti

ng p

erio

d.

DP

8D

P9

DP

10D

P11

A-7.3

DP

12

No.

PR

OJ

FCD

DA

TEA

QU

IFE

RFo

r Cro

ss-S

ectio

n (In

tern

odal

Wel

ls in

Bol

d)

DP

7

MA

X C

HLO

RID

E

08-0

9C

hang

e in

Chl

orid

e(F

Y09

-10

- FY

08-0

9)

ALA

MIT

OS

BA

RR

IER

PR

OJE

CT

C-Z

ON

E C

HLO

RID

E C

ON

CEN

TRA

TIO

NS

Chl

orid

e D

ata

Use

d fo

r Con

tour

s an

d C

ross

-Sec

tion

DP

1D

P2

DP

3D

P4

DP

5D

P6

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

250

250

500500

500

1000

1000

1000

1000

33JL

33NQ

33Q 9

33Q 15

33ST

33T 3

33T 9

33T 13 33

U 1133

W 11

33X 10

33X 20

33XY

33YZ

34D' 6

34DG

34F 5

34F 10

34JL

34L 1

0

34LS

34T0.1

34U 8

34X40

35F 20

PZ5

35J1

35K1





B z

one

CL.

srf




Barrier Alignment



Alamitos Barrier ProjectB Zone Chloride Concentration (mg/L) Contours: Spring 2010 A-8.1

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

0

0

050

0

500

1000

1000

33JL

33NQ 33

Q 9

33Q 15

33ST

33T 3

33T 933

T 13

33U 11

33W

11

33X 10

33X 20

33XY

33YZ

34D' 6

34DG

34F 5

34F 10

34JL

34L 1

0

34LS

34T0.1

34U 8

35F 20

35J1

35K1

PZ5

Alamitos Barrier ProjectB Zone:Change in Chloride Concentration, Spring 2009 to Spring 2010 A-8.2

For C

onto

urs

ELE

V 1

(ft)

CH

L 1

(mg/

L)E

LEV

2 (f

t)C

HL

2 (m

g/L)

ELE

V 3

(ft)

CH

L 3

(mg/

L)M

AX

CH

L. 0

9-10

133

JL 4

92B

Q20

1003

15B

3-7

160

160

225

-65

233

NQ

492

BN

2010

0310

B-4

130

-15

140

140

120

203

33Q

9 4

92C

M20

1002

16B

-85

180

-95

1,80

0-1

054,

250

4,25

01,

300

2,95

04

33Q

15

492

AN

2010

0216

B-2

631,

650

1,65

048

01,

170

533

ST 4

92B

K20

1003

11(C

,B)

-25

9,20

09,

200

7,80

01,

400

633

T 3

492

CL

2010

0209

B-4

015

0-5

714

0-7

524

024

027

5-3

57

33T

9 4

92Y

Y20

1003

10B

-163

120

120

130

-10

833

T 13

492

AB

2010

0310

B-2

541,

050

1,05

055

050

09

33U

11

492

AK

2010

0315

B-2

6016

016

085

7510

33W

11

502

S20

1003

11B

-241

150

-269

170

170

140

3011

33X

10

502

BC

2010

0224

B-2

7510

010

030

0-2

0012

33X

20

502

K20

1003

17B

-266

140

140

250

-110

1333

XY 5

02B

M20

1003

16B

-245

130

130

8050

1433

YZ 5

02A

C20

1003

16B

-214

85-2

6310

010

011

0-1

015

34D

' 6 5

02B

G20

1002

25B

-180

110

-194

110

110

110

016

34D

G 5

02Y

2010

0322

B-2

3212

0-2

5712

012

011

010

1734

F 5

502

BS

2010

0317

B-2

3111

0-2

6014

014

014

00

1834

F 10

502

AQ

2010

0318

B-2

6911

011

012

0-1

019

34JL

503

AQ

2010

0325

B-1

9614

0-2

1131

031

018

512

520

34L

10 5

02A

L20

1003

02B

-224

130

-249

130

130

120

1021

34LS

503

BE

2010

0324

B-1

8816

016

011

050

2234

T0.1

503

AC

2010

0324

B-1

7416

0-2

0714

0-2

3915

016

010

060

2334

U 8

513

E20

1003

25B

-225

2,30

02,

300

415

1,88

524

34X

4051

3Q20

1003

23-1

3780

80n/

an/

a25

35F

20 5

13K

2010

0330

B-1

1543

043

024

019

026

PZ5

492

CH

2010

0203

(C,B

)-2

475

075

02,

000

-1,2

5027

35J1

514

M20

1003

29B

-128

1,15

0-1

431,

650

-148

1,45

01,

650

460

1,19

028

35K

1 5

23A

2010

0330

B-1

2716

0-1

4219

0-1

5722

022

010

012

029

33Q

150

250

n/a

3033

U3

5025

0n/

a31

33W

5025

0n/

a32

33X

50n/

an/

a33

33Y

50n/

an/

a34

33Z

50n/

an/

a35

34D

50n/

an/

a36

34E

50n/

an/

a37

34G

250

n/a

n/a

3834

L50

n/a

n/a

3934

S50

n/a

n/a

4034

V50

n/a

n/a

DP

= D

umm

y P

oint

with

an

assu

med

chl

orid

e co

ncen

tratio

n of

50

mg/

L. P

lace

d at

wel

ls th

at w

ere

inje

ctin

g in

to th

is z

one

durin

g th

is re

porti

ng p

erio

d.

DP

11D

P12

DP

5D

P6

DP

7D

P8

DP

9D

P10

AQ

UIF

ER

For C

ross

-Sec

tion

(Inte

rnod

al W

ells

in B

old)

DP

1D

P2

DP

3D

P4

MA

X C

HLO

RID

E

08-0

9C

hang

e in

Chl

orid

e(F

Y09

-10

- FY

08-0

9)

A-8.3

ALA

MIT

OS

BA

RR

IER

PR

OJE

CT

B-Z

ON

E C

HLO

RID

E C

ON

CEN

TRA

TIO

NS

Chl

orid

e D

ata

Use

d fo

r Con

tour

s an

d C

ross

-Sec

tion

No.

PR

OJ

FCD

DA

TE

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

250

250250

250

500

500500

500

1000

1000

1000

1000

5000

5000 10

000

32U 15 32

V 22

33G 9

33H'13

33JL

33L

3

33L 2

333

N 21

33NQ

33Q 15

33S 18

33S 20

33S 43

33S 52

33ST

33T 933

T 13

33T 15

33T 29

33U 11

33U' 3

33UV

33V' 8

33W

11

33W

X

33X 10

33X 20

33XY

33Y 42

33YZ

33Z' 1

33Z 11

34D' 6

34DG

34F 534

F 10

34F'13

34H 25

34H5

34HJ

34JL

34L 1

0

34LS

34N 21

34N' 7

34U 8

34V 20

34VZ34

W' 5

35E0.1

35F 20

35H 11

35H 12

36F' 1

35J1

35K1

* The data points used to create these contours are listed in Appendix A-9.3 & A9.4



Barrier Alignment



Alamitos Barrier ProjectA Zone Chloride Concentration (mg/L) Contours: Spring 2010






A-9.1

GS

WC

-Mon

teci

to (I

nact

ive)

GS

WC

-Yel

low

tail

SB

-Lei

sure

Wor

ld W

ell #

6

-100

0-5

00

0

0

0

0

0

500

500

500

1000

1000

32U 15

33H'13

33JL33

L 3

33L 2

3

33NQ

33Q 15

33S 18

33S 20

33S 43

33S 52

33ST

33T 933

T 13

33T 15

33T 29

33U 11

33U' 3 33

V' 8

33W

11

33W

X

33X 10

33X 20

33XY

33Y 42

33YZ

33Z' 1

33Z 11

34D' 6

34DG

34F 5

34F 10

34F'13

34H 25

34H5

34HJ

34JL

34L 1

0

34LS

34N 21

34N' 7

34U 8

34V 20

34VZ

34W

' 5

35E0.1

35F 20

35H 11

35H 12

36F' 1

35J1 35

K1

* The data points used to create these contours are listed in Appendix A-9.3 & A-9.4



Barrier Alignment



Alamitos Barrier ProjectA Zone: Change in Chloride Concentration, Spring 2009 to Spring 2010

A-9.2

For C

onto

urs

ELE

V 1

(ft)

CH

L 1

(mg/

L)E

LEV

2 (f

t)C

HL

2 (m

g/L)

ELE

V 3

(ft)

CH

L 3

(mg/

L)M

AX

CH

L. 0

9-10

132

U 1

5 4

82M

2010

0203

A-1

738

038

022

016

02

32V

22

482

P20

0803

12A

-11

9595

n/a

n/a

333

G 9

482

F20

1002

04A

-3-2

324

024

0n/

an/

a4

33H

'13

493

YY

2010

0204

(R,A

)-1

82,

400

-38

2,70

0-5

83,

000

3,00

02,

150

850

533

JL 4

92B

W20

1003

15(A

,I)-4

113

0-7

913

0-1

1614

014

022

0-8

06

33L

3 4

9220

1002

03A

-60

140

140

110

307

33L

23 4

92R

R20

1002

16A

-344

4,10

04,

100

3,85

025

08

33N

21

492

BU

2010

0217

A-3

0520

0-3

3027

0-3

4645

045

0n/

an/

a9

33N

Q 4

92B

P20

1003

10(A

,I)-4

911

0-9

310

0-1

3710

011

012

0-1

010

33Q

15

492

AM

2010

0216

A-3

373,

400

3,40

014

53,

255

1133

S 1

8 4

92A

E20

1002

17A

-240

320

320

2,95

0-2

,630

1233

S 2

0 4

92B

R20

1002

19A

-317

110

-336

120

-355

600

600

110

490

1333

S 4

3 4

91E

2010

0210

A-3

3317

0-3

4413

017

013

040

1433

S 5

2 4

91H

2010

0218

A-2

8426

0-2

8926

026

030

0-4

015

33ST

492

BL

2010

0311

A-6

510

5-8

695

-100

8010

511

0-5

1633

T 9

492

TT20

1003

10A

-262

150

150

150

017

33T

13 4

92ZZ

2010

0310

A-1

2820

020

0n/

an/

a18

33T

15 4

92S

S20

1002

09A

-334

230

230

220

1019

33T

29 4

91C

2010

0210

A-3

3716

016

012

535

2033

U 1

1 4

92A

J20

1003

15A

-348

520

520

450

7021

33U

' 3 4

92W

W20

1002

08A

-89

3,50

03,

500

3,20

030

022

33U

V 4

92B

H20

1003

11A

-106

230

-131

900

-155

1,10

01,

100

n/a

n/a

2333

V' 8

492

BY

2010

0208

(R,A

)-2

418

,500

-48

18,7

0018

,700

17,5

501,

150

2433

W 1

1 5

02T

2010

0311

A-3

2112

0-3

4914

0-3

7612

014

060

0-4

6025

33W

X 5

02A

F20

1003

16A

-258

80-2

8114

0-2

9735

035

085

0-5

0026

33X

10

502

BD

2010

0224

A-3

2010

0-3

4010

0-3

5610

010

030

0-2

0027

33X

20

502

J20

1003

17A

-353

150

150

175

-25

2833

XY 5

02B

N20

1003

16A

-279

130

-296

100

-311

170

170

9575

2933

Y 4

2 5

01A

2010

0222

A-3

3616

016

018

0-2

030

33YZ

502

AD

2010

0316

A-2

9685

-318

8085

805

3133

Z' 1

502

G20

1003

23A

-320

400

400

2,00

0-1

,600

3233

Z 11

502

V20

1003

17A

-321

120

-346

130

130

8545

3334

D' 6

502

BH

2010

0225

A-2

7040

0-3

0337

0-3

3529

040

01,

750

-1,3

5034

34D

G 5

02Z

2010

0322

A-2

9213

0-3

2413

013

055

0-4

2035

34F

5 5

02B

R20

1003

16A

-297

90-3

2210

0-3

4718

018

013

050

3634

F 10

502

AR

2010

0318

A-3

1113

0-3

2613

013

012

010

3734

F'13

503

Q20

1003

01A

-113

700

700

420

280

A-9.3No.

PR

OJ

FCD

DA

TEA

QU

IFE

RFo

r Cro

ss-S

ectio

n (In

tern

odal

Wel

ls in

Bol

d)M

AX

CH

LOR

IDE

08

-09

Cha

nge

in C

hlor

ide

(FY

09-1

0 - F

Y08

-09)

ALA

MIT

OS

BA

RR

IER

PR

OJE

CT

A-Z

ON

E C

HLO

RID

E C

ON

CEN

TRA

TIO

NS

Chl

orid

e D

ata

Use

d fo

r Con

tour

s an

d C

ross

-Sec

tion

For C

onto

urs

ELE

V 1

(ft)

CH

L 1

(mg/

L)E

LEV

2 (f

t)C

HL

2 (m

g/L)

ELE

V 3

(ft)

CH

L 3

(mg/

L)M

AX

CH

L. 0

9-10

3834

H 2

5 5

02A

H20

1003

23A

-297

120

-312

130

-332

100

130

200

-70

3934

H5

512

E20

1003

23A

-298

190

-313

160

-328

120

190

105

8540

34H

J 5

02B

X20

1003

18A

-301

120

-321

120

-331

130

130

100

3041

34JL

503

AP

2010

0325

A-2

6311

0-2

8812

0-3

0813

013

085

4542

34L

10 5

02A

M20

1003

02A

-310

95-3

3010

0-3

5411

011

010

55

4334

LS 5

03B

D20

1003

24A

-238

140

-283

140

140

120

2044

34N

21

512

B20

1003

02A

-328

95-3

5410

510

575

3045

34N

' 7 5

03A

F20

0904

15A

-106

400

-144

300

-176

300

400

400

046

34U

8 5

13F

2010

0325

A-2

8035

0-3

1020

035

013

022

047

34V

20

513

B20

1003

25A

-234

140

-265

150

-292

140

150

9060

4834

VZ 5

03B

H20

1003

22A

-146

140

-156

130

140

6080

4934

W' 5

503

AJ

2010

0304

A-8

130

0-1

0145

0-1

1910

045

022

522

550

34X

4051

3P20

1003

23A

-202

90-2

3290

90n/

an/

a51

35E0

.1 5

03B

K20

1003

25A

-74

130

130

8050

5235

F 20

513

J20

1003

30A

-129

190

-158

180

190

140

5053

35H

11

514

G20

1003

30A

-123

1,90

0-1

466,

000

6,00

082

55,

175

5435

H 1

2 5

14D

2010

0329

A-1

3725

025

021

040

5535

J1 5

14L

2010

0329

A-1

9335

0-2

0864

0-2

281,

000

1,00

010

090

056

35K

1 5

23B

2010

0330

A-1

9780

-212

70-2

2747

047

025

445

5736

F' 1

505

D20

1003

08A

-99

1,20

01,

200

790

410

5833

G50

250

n/a

5933

J50

250

n/a

6033

L50

250

n/a

6133

N50

250

n/a

6233

Q50

n/a

n/a

6333

S50

n/a

n/a

6433

T50

250

n/a

6533

U50

250

n/a

6633

V50

250

n/a

6733

W50

250

n/a

6833

X50

250

n/a

6933

Y50

250

n/a

7033

Z50

250

n/a

7133

Z250

250

n/a

7234

D50

250

n/a

7334

F50

250

n/a

7434

H50

n/a

n/a

7534

J50

n/a

n/a

7634

L50

n/a

n/a

7734

S50

n/a

n/a

7834

V50

n/a

n/a

7935

G50

250

n/a

8035

H1

5025

0n/

a81

35H

250

250

n/a

DP

= D

umm

y P

oint

with

an

assu

med

chl

orid

e co

ncen

tratio

n of

50

mg/

L. P

lace

d at

wel

ls th

at w

ere

inje

ctin

g in

to th

is z

one

durin

g th

is re

porti

ng p

erio

d.

DP

19D

P20

DP

21D

P22

A-9.4

DP

23D

P24

DP

13D

P14

DP

15D

P16

DP

17D

P18

DP

7D

P8

DP

9D

P10

DP

11D

P12

DP

1D

P2

DP

3D

P4

DP

5D

P6

ALA

MIT

OS

BA

RR

IER

PR

OJE

CT

A-Z

ON

E C

HLO

RID

E C

ON

CEN

TRA

TIO

NS

Chl

orid

e D

ata

Use

d fo

r Con

tour

s an

d C

ross

-Sec

tion

No.

PR

OJ

FCD

DA

TEA

QU

IFE

RFo

r Cro

ss-S

ectio

n (In

tern

odal

Wel

ls in

Bol

d)M

AX

CH

LOR

IDE

08

-09

Cha

nge

in C

hlor

ide

(FY

09-1

0 - F

Y08

-09)

* The data points used to create these contours are listed in Appendix A-17 & A-18.



Barrier Alignment



I zon

e C

L.sr

f

A-10.1Alamitos Barrier Project

I Zone Chloride Concentration (mg/L) Contours: Spring 2010




* The data points used to create these contours are listed in Appendix A-10.3 & A-10.4

250

1000 500 250

250

5001000

* The data points used to create these contours are listed in Appendix A-17 & A-18.



Barrier Alignment



I zon

e C

L.sr

f

A-10.2Alamitos Barrier Project

I Zone Change in Chloride Concentration, Spring 2009 to Spring 2010




* The data points used to create these contours are listed in Appendix A-10.3 & A-10.4.

For C

onto

urs

ELE

V 1

(ft)

CH

L 1

(mg/

L)E

LEV

2 (f

t)C

HL

2 (m

g/L)

ELE

V 3

(ft)

CH

L 3

(mg/

L)M

AX

CH

L. 0

9-10

132

U 1

5 4

82L

2010

0203

I-7

410

010

010

00

232

V 2

2 4

82N

2010

0203

I-5

116

016

026

0-1

003

33G

9 4

82G

2010

0204

I-3

415

0-6

814

5-7

811

515

012

030

433

H'1

3 4

93X

X20

1002

04I

-89

550

550

550

05

33JL

492

BW

2010

0315

(A,I)

-41

130

-79

130

-116

140

140

220

-80

633

N 2

1 4

92B

V20

1002

17I

-457

120

-468

120

120

9525

733

NQ

492

BP

2010

0310

(A,I)

-49

110

-93

100

-137

100

110

120

-10

833

S 2

0 4

92B

S20

0803

24I

-472

4040

n/a

n/a

933

S 4

0 4

91F

2010

0208

I-4

7031

031

031

00

1033

ST 4

92B

M20

1003

11I

-130

180

-148

135

-163

145

180

110

7011

33T

9 4

92X

X20

1003

10I

-364

180

180

290

-110

1233

T 12

.5 4

92B

T20

1003

01I

-423

120

-438

160

-443

130

160

160

013

33T'

24 4

93R

R20

1003

08I

-52

15,0

50-7

515

,050

17,8

00-2

,750

1433

U' 3

492

QQ

2010

0208

I-1

4737

037

060

0-2

3015

33U

V 4

92B

J20

1003

11I

-209

140

-228

105

-246

100

140

110

3016

33V

' 8 4

92B

X20

1002

08I

-109

5,10

0-1

305,

300

5,30

04,

500

800

1733

W 1

1 5

02U

2010

0311

I-4

2312

0-4

4612

0-4

6813

013

011

020

1833

WX

502

AG

2010

0316

I-3

7440

-391

25-4

0550

5011

0-6

019

33X

10

502

BE

2010

0224

I-4

2050

0-4

4050

0-4

6050

02,

200

-1,7

0020

33X

20

502

H20

1003

17I

-442

130

130

100

3021

33XY

502

BP

2010

0316

I-4

0412

0-4

1711

0-4

2212

012

011

010

2233

Y'3

5 4

93ZZ

2010

0204

I-6

727

,500

27,5

0023

,400

4,10

023

33YZ

502

AE

2010

0316

I-4

0285

-433

9595

130

-35

2433

Z 11

502

W20

1003

17I

-417

160

-437

150

-457

140

160

140

2025

34D

' 6 5

02B

I20

1002

25I

-400

1,60

0-4

10-4

181,

600

1,75

0-1

5026

34D

G 5

02A

A20

1003

22I

-402

160

-432

170

170

140

3027

34E

'13

503

AT

2010

0301

I-2

892,

850

-308

3,20

03,

200

8,65

0-5

,450

2834

F 5

502

BQ

2010

0316

I-4

1111

0-4

2614

0-4

4111

014

011

030

2934

F 10

502

AS

2010

0318

I-4

1612

0-4

4214

014

010

040

3034

GH

502

BV

2010

0318

I-4

1210

0-4

2713

5-4

3513

013

512

015

3134

H 2

5 5

02A

J20

1003

24I

-407

600

-427

630

-434

640

640

500

140

3234

H5

512

D20

1003

23I

-408

250

-423

310

-443

270

310

290

2033

34H

J 5

02B

W20

1003

18I

-407

150

-417

150

-427

140

150

120

3034

34JL

503

AN

2010

0325

I-3

8311

0-4

0210

011

085

2535

34L

10 5

02A

N20

1003

02I

-404

50-4

2680

8028

0-2

0036

34LS

503

BC

2010

0324

I-3

3814

0-3

687,

600

7,60

053

07,

070

3734

N 2

1 5

12C

2010

0302

I-4

2312

0-4

4812

012

011

010

A-10.3No.

PR

OJ

FCD

DA

TEA

QU

IFE

RFo

r Cro

ss-S

ectio

n (In

tern

odal

Wel

ls in

Bol

d)M

AX

CH

LOR

IDE

08

-09

Cha

nge

in C

hlor

ide

(FY

09-1

0 - F

Y08

-09)

ALA

MIT

OS

BA

RR

IER

PR

OJE

CT

I-ZO

NE

CH

LOR

IDE

CO

NC

ENTR

ATI

ON

SC

hlor

ide

Dat

a U

sed

for C

onto

urs

and

Cro

ss-S

ectio

n

For C

onto

urs

ELE

V 1

(ft)

CH

L 1

(mg/

L)E

LEV

2 (f

t)C

HL

2 (m

g/L)

ELE

V 3

(ft)

CH

L 3

(mg/

L)M

AX

CH

L. 0

9-10

3834

N' 7

503

AG

2009

0415

I-2

2150

0-2

5440

0-2

7430

050

050

00

3934

T0.1

503

AD

2010

0324

I-2

8913

0-3

1215

0-3

3415

015

011

535

4034

U 8

513

G20

1003

25I

-360

160

-375

160

160

120

4041

34V

20

513

C20

1003

25I

-386

9090

7020

4234

VZ 5

03B

G20

1003

22I

-214

250

-224

170

250

170

8043

34W

' 5 5

03A

K20

1003

04I

-156

4,35

04,

350

3,65

070

044

34X

4051

3N20

1003

23I

-331

3,10

0-3

463,

150

3,15

0n/

an/

a45

35D

' 5 5

03A

M20

1003

04I

-89

5,80

05,

800

4,50

01,

300

4635

E0.1

503

BJ

2010

0325

I-1

142,

650

2,65

021

52,

435

4735

F 20

513

H20

1003

30I

-235

1,30

0-2

451,

850

-255

2,50

02,

500

825

1,67

548

35H

11

514

H20

1003

30I

-203

1,45

01,

450

575

875

4935

N0.

1 5

04N

2010

0227

I-7

114

,100

14,1

0022

,200

-8,1

0050

35J1

514

L20

1003

29I

-261

400

-271

350

-281

400

400

n/a

n/a

5135

K1

523

B20

1003

30I

-363

60-3

7360

60n/

an/

a52

33G

5025

0n/

a53

33J

50n/

an/

a54

33L

50n/

an/

a55

33N

50n/

an/

a56

33Q

50n/

an/

a57

33T

5025

0n/

a58

33U

5025

0n/

a59

33V

50n/

an/

a60

33W

50n/

an/

a61

33X

50n/

an/

a62

33Y

50n/

an/

a63

33Z

50n/

an/

a64

33Z2

50n/

an/

a65

34D

50n/

an/

a66

34E

50n/

an/

a67

34F

50n/

an/

a68

34G

250

n/a

n/a

6934

H50

n/a

n/a

7034

J50

250

n/a

7134

L50

n/a

n/a

7234

S50

250

n/a

7334

V50

n/a

n/a

DP

= D

umm

y P

oint

with

an

assu

med

chl

orid

e co

ncen

tratio

n of

50

mg/

L. P

lace

d at

wel

ls th

at w

ere

inje

ctin

g in

to th

is z

one

durin

g th

is re

porti

ng p

erio

d.

DP

22

DP

15D

P16

DP

17D

P18

DP

19D

P20

A-10.4

DP

7D

P8

DP

9D

P10

DP

11D

P12

DP

13D

P14

DP

21

DP

1D

P2

DP

3D

P4

DP

5D

P6

ALA

MIT

OS

BA

RR

IER

PR

OJE

CT

I-ZO

NE

CH

LOR

IDE

CO

NC

ENTR

ATI

ON

SC

hlor

ide

Dat

a U

sed

for C

onto

urs

and

Cro

ss-S

ectio

n

No.

PR

OJ

FCD

DA

TEA

QU

IFE

RFo

r Cro

ss-S

ectio

n (In

tern

odal

Wel

ls in

Bol

d)M

AX

CH

LOR

IDE

08

-09

Cha

nge

in C

hlor

ide

(FY

09-1

0 - F

Y08

-09)

01000

2000 FT

500

HORIZONTAL SCALE

-500'

-450'

-400'

-350'

-300'

-250'

-200'

-150'

-100'

-50'

S.L.

-500'

-450'

-400'

-350'

-300'

-250'

-200'

-150'

-100'

50'

S.L.

33JL

33NQ

33ST33UV33WX 33XY33YZ 34D0.1 34DG

34GH34HJ

34JL

34LS

34T0.1

34VZ

35EO.1

35H11

35H12

7TH STREET

LOS CERRITOS CHANNEL

SAN GABRIEL RIVER

LOS ALAMITOS CHANNEL

35K1

R

35H2

35H1

35G

35F

34Z

34V

34S

34L

34J

34H34G2

34G

34F

33V33U

33T

34D

33Z33Z2

33Y

33X

33W

33S133S33Q

33N

33L

33J

33G

SEAL BEACH BLVD.

CH

LO

RID

E S

EC

TIO

NA

LO

NG

TH

E B

AR

RIE

R

CODE

[CL-](PPM)

< 250

250-500

1001-2500

2501-5000

VER

TIC

AL

SC

ALE

AS

SH

OW

N

IA

501-1000

INSUFFICIENT DATA

5001-20000

CB A

35J1

Spr

ing

2010

NO

TE: T

he d

ata

poin

ts u

sed

to c

reat

e th

is c

ross

sec

tion

are

liste

d in

the

Appe

ndix

A-2

2 th

roug

h A-

28.

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Text Box

Notes: (1) The ABP Ground Water Model and the ABP Condition Assessment both include the entire barrier system. (2) The ABP, DGBP, and WCBBP Injection Well Condition Assessment includes the 14 injection well casings not included in the ABP Condition Assessment.

MFRARY

Text Box

Cathodic Protection Phase 2. The rest of the shared pipeline was included in Phase 1 and the east leg was not included in this project.

MFRARY

Line

MFRARY

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MFRARY

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MFRARY

Text Box

A-12

MFRARY

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A-18

Project No FCD No OCWD Database Well Designation

OCWD Casing Designation Aquifer Well Location Location Description Drilling

Method

Boring Diam(in)

Boring Depth

(ft-bgs)

Date Boring Completed

Date Well Completed

Well Casing Type

Top of Screen(ft-bgs)

Bottom of Screen(ft-bgs)

Well Depth

(ft-bgs)

Bottom Seal(ft-bgs)

Filter Pack(ft-bgs)

Bentonite Seal

(ft-bgs)

Sanitary Seal

(ft-bgs)

Sampling Event

Groundwater Measurement

Event513R OCWD-34X40/1 C-zone 88 113 118 84-118 28-84 SA A513Q OCWD-34X40/2 B-zone 139 154 159 132.5-160.5 118-132.5 SA A513P OCWD-34X40/3 A-zone 204 244 249 196-250 160.5-196 SA A513N OCWD-34X40/4 I-zone 333 358 363 325-362 250-325 SA A

35J1 513M OCWD-35J1Y OCWD-35J1Y/1 I-zone Westminster Avenue Traffic Median, north of Boeing Company

In traffic median of Westminster Ave ~35 ft N of south facing curb of Westminster Ave and ~550 ft E of C/L of Apollo Drive

Mud Rotary

24" to 10.5 ft8" to TD

377.5 11/19/2009 11/24/2009 2" diam Sch 80 PVC

264 294 299 305-377.5 259-305 38-259 2-38 SA SM

35K1 523C OCWD-35K1Y OCWD-35K1Y/1 I-zone OCSD Pump Station13979 Seal Beach

Boulevard

~130 ft E of C/L of Seal Bch Blvd and ~215 ft N of Westminster Ave

Mud Rotary

24" to 12 ft13" to 120 ft

8" to TD

395 10/09/2009 10/15/2009 2" diam Sch 80 PVC

366 386 391 391-395 360-391 28 1-28 SA SM

35K1 523D OCWD-35K1V OCWD-35K1V/1 C-zone OCSD Pump Station13979 Seal Beach

Boulevard

~125 ft E of C/L of Seal Bch Blvd and ~210 ft N of Westminster Ave

Hollow Stem Auger

8 112 12/14/2009 12/14/2009 2" diam Sch 80 PVC

90 110 111 n/a 85-112 47 2-47 SA SM

35K'12 b 504R OCWD-35KP12 OCWD-35KP12/1 Recent North Access Road in Los Alamitos Retarding Basin

On Los Alamitos Retarding Basin access road ~345 ft E of C/L of Compass Court extended and ~820 ft S of C/L of Westminster Ave

Hollow Stem Auger

8 86.5 12/15/2009 12/16/2009 2" diam Sch 80 PVC

47 67 68 69-86.5 42-69 30 2.5-30 A A

Notes: SM = Semi-Monthlyn/a is Not Applicable SA = Semi-Annualft-bgs is Feet Below Ground Surface A = Annual(a) Static water level measured after well development was completed.(b) Newly constructed monitoring well replaces destroyed Recent Zone well 35N'15

A-19

On Sunningdale Road ~377 ft SW of C/L of Del Monte Drive and ~13 ft SE of C/L of Sunningdale Road

Mud Rotary

24" to 10.5 ft13" to TD

2" diam Sch 80 PVC

450 10/29/2009 11/09/2009

LACFCD Scheduling

362-450 2-28

NOTE: For O&M purposes, LACDPW prefers future new observation wells be 4-inches in diameter. The larger casing size allows more samples to be obtained at one time and typically does not get obstructed or skewed as often as narrower wells.

Summary of New Alamitos Barrier Monitoring Well Construction InformationAlamitos Barrier Project

Annular FillGeneral Well Information Borehole Drilling Casing Details

OCWD-34X4034X40 Leisure World Seal Beach

C:\MyFiles\MJF\ABP New Wells\OCWD 4 New.Repl.Add Ob Well Sites (34X40, 35J1, 35K1, 35K'12) - late 2009\FINAL WELL DOCUMENTS\A19 - JMC Summary - SUMM_WellConstruct_NewAlamitos.xls

ALAMITOS BARRIER PROJECT COST FOR FY 2009-10

ITEM SERVICES FY % OCWD OCWD % OCWDNO. DESCRIPTION JOB NO. DESCRIPTION AND 2009-10 BUDGET SHARE BUDGET BUDGET

SUPPLIES BUDGET FY 09-10 23% FY 09-10 FY 09-101. Analysis and direction H0321551 ANALYSIS & DIRECT OF INJ OPR 84,890.81

of injection operationsSubtotal #1 84,890.81 240,000 35.4 19,915.23 90,000 22.1 64,976 150,000 43.3

2. Maintenance and repair F6004011 ABP MAINT INJECTION WELLS 187,774.49 of injection wells F5064011 INJECT. WELLS-MAINTAIN(ALAMITOS) 45,576.65

H0321911 ABP TELEMETRY SYSTEM MAINTENANCE 106,865.34

Subtotal #2 340,216.48 150,000 226.8 79,814.16 60,000 133.0 260,402 90,000 289.33. Operation of injection F6004000 ABP RECHARGE OPER U/S 38,776.44

facilitiesSubtotal #3 38,776.44 200,000 19.4 9,096.88 80,000 11.4 29,680 120,000 24.7

4. Analysis and direction H0321555 ANALYSIS & DIR OF EXTR OPER 0.00of extraction operations(No cost to OCWD) Subtotal #4 0.00 0 N/A 0.00 0 0.0 - - -

5. Maintenance, and repair of extraction wells(No cost to OCWD) Subtotal #5 0.00 0 N/A 0.00 0 0.0 - - -

6. Operation of extraction F6000090 ELEC UTIL BILL FOR EXT 20,223.17wells(No cost to OCWD) Subtotal #6 20,223.17 4,200 481.5 0.00 0 0.0 20,223 4,200 481.5

7. Maintenance and repair H0321569 ALAMITOS BARRIER PROJECT 190,121.99 of distribution system H0321899 RW Mitigation for Existing ABP Fac 7,873.85

N0100015 O&M OF SEAWATER INTRO CONT FAC 4,236.95N2420007 MISC. SUPPLIES SEAWATER INTRUS 0.00F6001904 CONDUCT QUARTERLY INSPECTION 42.74 F6001907 INSPECT CRANE PRES REDUCE - ABP 610.19 F6001920 CONDUCT QUARTERLY INSPECTION 20.30 F6004010 ABP MAINT AIR/VAC-BLWOFF U/S 4,273.74 F6004012 MAINT PRS - ABP 114,551.96

Subtotal #7 321,731.72 875,000 36.8 75,477.67 315,000 24.0 246,254 560,000 44.08. Maintenance of F5064044 OBSERV. WELLS-CLEANOUT(ALAMITOS) 0.00

observation wellsSubtotal #8 0.00 70,000 0.0 0.00 28,000 0.0 - 42,000 0.0

9. Collection of H0321552 COLLECTN OF GRNDWTR DATA 125,894.29groundwater data

Subtotal #9 125,894.29 90,000 139.9 29,534.57 36,000 82.0 96,360 54,000 178.410. Yard Maintenance F6003124 BUILDING MAINTENANCE - NONRESI 9,552.81

(Flat Fee from OCWD) F6007021 LANDSCAPE MAINTENANCE 0.00FFM34107 Facility Maintenance Alamitos Yd F 52,906.47

Subtotal #10 62,459.28 30,000 208.2 375.00 375 100.0 62,084 29,625 209.6

11. Well redevelopment H0321565 NPDES MONITOR. & REPORT. 40,048.81 H0321554 WELL REDEVELOPMENT 177,181.63F53300367 REDEVELOP INJ. WELL, 35G(A,I ZONE) 4,442.54F53313737 REDEVELOP INJ. WELL, 34Z - ABP 14,676.56F53328925 REDEVELOP INJ. WELL, 34V (I ZONE) 12,566.44F53329008 REDEVELOP INJ. WELL, 34V (C,B ZONE 12,929.55F53329029 REDEVELOP INJ. WELL, 34V (A ZONE) 6,227.05F54006242F REDEVELOP INJ. WELL, 34S (I ZONE) 8,111.02F54006272F REDEVELOP INJ. WELL, 34S (C,B ZONE 7,863.55F54006278F REDEVELOP INJ. WELL, 34S (A ZONE) 14,754.22F54027941F REDEVELOP INJ. WELL, 34H (I ZONE) 10,984.32F54027951F REDEVELOP INJ. WELL, 34H (A ZONE) 13,266.16F54038130F REDEVELOP INJ. WELL, 34F (A ZONE) 12,928.94F54038132F REDEVELOP INJ. WELL, 34F (I ZONE) 10,027.80F54047834F REDEVELOP INJ. WELL, 34E (I ZONE) 13,047.45F54047837F REDEVELOP INJ. WELL, 34E (C,B ZONE 12,641.57F54064870 REDEVELOP INJ. WELL, 35H2 (A ZONE) 19,374.51F54074963 REDEVELOP INJ. WELL, 35H1 (A ZONE) 8,349.71F54074966 REDEVELOP INJ. WELL, 35H1 (I ZONE) 4,793.03F54083568 REDEVELOP INJ. WELL, 34G2 (I ZONE) 14,705.61F54083572 REDEVELOP INJ WELL 34G2 (C B ZON 14 665 53

LADPW SHARE LADPW BUDGET FY 09-10

% LADPW BUDGET FY 09-10

F54083572 REDEVELOP INJ. WELL, 34G2 (C,B ZON 14,665.53F54094140 REDEVELOP INJ. WELL, 34L - ABP 22,169.94F54113249 REDEVELOP INJ. WELL, 34J - ABP 17,155.19F54122021 REDEVELOP INJ. WELL, 34G - ABP 14,721.42F54133416 REDEVELOP INJ. WELL, 33Z - ABP 31,411.99F54146323 REDEVELOP INJ. WELL, 33Y- ABP 28,104.51F54159826 REDEVELOP INJ. WELL, 33Z2 - ABP 29,621.19F54201426 REDEVELOP INJ. WELL, 33X - ABP 28,084.88F54223332 REDEVELOP INJ. WELL, 33W - ABP 33,359.55F54235420 REDEVELOP INJ. WELL, 34D - ABP 21,619.30F5064022 Redevelopment of Injection Wells ( 78,307.88F6001006 CRANE & HOIST MAINT.- Alamitos B.P 194.51F6009118 Disassemble/Reassemble Wells (ABP) 0.00

Subtotal #11 738,336.36 320,000 230.7 173,212.36 128,000 135.3 565,124 192,000 294.312. Processing of data and H0321553 DATA PROC. & PREPAR. REPORT 68,229.33

preparation of reportsSubtotal #12 68,229.33 80,000 85.3 16,006.48 32,000 50.0 52,223 48,000 108.8

13. Special Programs H0321591 PLANNING-ABP 22,908.07 (No cost to OCWD) H0321590 PLANNING (BARRIER) 361.95

H0321021 ABP Modeling [contract by sep. agm 69,277.88H0321022 Evaluation of ABP Wells & Faciliti 0.00

Subtotal #13 92,547.90 30,000 308.5 0.00 0 0.0 92,548 30,000 308.514. Reclaim Water Program H0321556 RECLAIM WATER PROGRAM 12,180.19

Subtotal #14 12,180.19 7,500 162.4 2,857.45 3,000 95.2 9,323 4,500 207.215. Projects & Studies H0321021 ABP Modeling [Labor] 29,581.67

HF13509001 Inj. Well Condition Assessment [ABP portion] 6,551.57X5009507 ABP Telemetry System Ph. 2 4,923.20H0321022 Evaluation of ABP Wells & Faciliti 51,945.31X5009456 ALAMITOS PRV RENOVATION 283.02X5009642 Cathodic protection system Ph.2 1,157,060.73

Subtotal #15 1,250,345.50 N/A N/A 293,328.76 N/A N/A 957,017 N/A N/A

TOTAL 3,155,831.47 2,096,700 150.5 699,618.56 772,375 90.6 2,456,213 1,324,325 185.5Liability Insurance Premium for 2009-10 28,532.00 -14,266.00 14,266 Balance due from Orange County Water District 685,352.56

NOTES:

$1,319,623.38

TOTAL OPERATION AND MAINTENANCE COST 3,155,831.47$ $424,143.7632%

OCWD SHARE OF THE OPERATION AND MAINTENANCE COST 699,618.56$

Less: Los Angeles County's Share of the 09-10 Liability Insurance (14,266.00)$

Less: Advance Deposit Paid by OCWD (50% of the OCWD FY09-10 budget) (386,188.00)$

Plus: Remaining Balance Due to Complete OCWD Share of Cathodic Protect 130,815.00$

BALANCE DUE FROM ORANGE COUNTY WATER DISTRICT 429,979.56$

1 OCWD share represents 23% of the total costs in all Items except for 4, 5, 6, 10, and 13. The percentage is based on amount of overall barrier injection water provided to Orange County portion of the ABP during this fiscal year.2 Per Agreement No. 8458 between the LACFCD and the OCWD, all costs included in Items 4, 5, 6 and 13 are not reimburseable with respect to OCWD and the OCWD cost for Item 10 is fixed at $375.00.

(Reimbursable amounts include labor expenses, plus contract expenses that are not addressed under a separate agreement [such as the model and Condition Assess]).

* THIS NEW FORMAT ACCOUNTS FOR CAPITAL IMPROVEMENT PROJECTS AS THEIR OWN CATEGORY AND

ALSO ACCOUNTS FOR SPLITTING UP LABOR EXPENSES FROM CONTRACT EXPENSES FOR APPLICABLE PROJECTS (WHERE SEPARATE COST-SHARING AGREEMENTS ARE IN

PLACE FOR CONTRACT AMOUNTS)

= OCWD's portion of our $1,319,623.38 projects cost (after adding in final Cathodic Protection contribution)

= LAC's total expenses on CI projects (1,250,345.50 + 69,277.88)

Budget 2010-11 (FINAL 09-10 Exp).xls EXPENDITURE 09-10 A-20

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07,0

25A

ctua

l AB

P C

P O

THE

R E

xpen

se-

--

--

-$2

38,8

46$5

4,93

5$1

83,9

11A

ctua

l AB

P C

P T

OTA

L E

xpen

se (J

MC

Item

15)2

--

--

--

$1,1

57,0

61$2

66,1

24$8

90,9

37O

CW

D In

voic

e 1

Info

--

-O

CW

D In

voic

e 2

Info

--

-TO

TAL

INV

OIC

ED

TO

OC

WD

--

-C

P C

ON

TRA

CT

porti

on o

f inv

oice

- P

lann

ed-

--

CP

CO

NTR

AC

T po

rtion

of i

nvoi

ce -

Act

ual

--

-

NO

TES

:

Cat

hodi

c Pr

otec

tion

- Orig

inal

Cos

t Esi

mat

e B

reak

dow

n us

ed in

FY0

5-06

JM

C B

udge

Bec

ause

con

trac

ts w

ere

chea

per t

han

estim

ated

($1.

8M v

s. $

2.5M

)…Fi

nal P

h. 1

Con

tract

:$6

49,3

99C

ost E

stim

ate

% o

f Tot

alFi

nal P

h. 2

Con

tract

(AB

P):

$963

,509

(Pev

ious

ly e

stim

ated

as

1,18

9,94

1… 6

5% o

f $1,

830,

678)

WC

BB

PLA

CFC

D3,

438

ft$1

10,0

004%

Tota

l Con

tract

Cos

ts:

$1,6

12,9

08D

GB

PLA

CFC

D3,

714

ft$3

74,0

0012

%O

CW

D s

hare

(32%

of T

otal

):$5

16,1

30(le

ss th

an th

e an

ticip

ated

$67

2,04

9)A

BP

LAC

FCD

4,19

1ft

$392

,500

13%

Ant

icip

ated

pha

se 1

por

tion:

$315

,863

(pla

nned

for F

Y07

-08;

bas

ed o

n $6

72k

- sho

wn

in g

ray

tabl

e)A

BP

Join

tly o

wne

d24

,289

ft$2

,124

,00 0

71%

Ant

icip

ated

pha

se 2

por

tion:

$200

,268

(rem

aind

er o

f adj

uste

d to

tal,

plan

ned

for F

Y08

-09)

28,4

80A

BP

Tota

l$2

,516

,500

84%

OC

WD

sha

re (3

2% o

f Tot

al):

$516

,130

(less

than

the

antic

ipat

ed $

672,

049)

Gra

nd T

ota l

$3,0

00,5

0010

0%In

cl. p

h1 p

ortio

n (F

Y07

-08)

:$1

62,3

50as

invo

iced

in F

Y07

-08

per 2

5% w

ater

dis

tribu

tion

Cos

t Sha

ring

for t

he 2

4,18

2 ft

of J

oint

ly O

wne

d pi

pe:

(FY

00-0

1 to

FY

04-0

5)In

cl. p

h2 p

ortio

n (F

Y08

-09)

:$1

1,77

6as

invo

iced

in F

Y08

-09

per 2

6% w

ater

dis

tribu

tion

Bui

lt in

to O

&M

cos

t pro

port

ion…

5yr W

ater

Spl

itC

ost S

hare

Tota

l Cos

tIn

cl. p

h2 p

ortio

n (F

Y09

-10)

:$2

11,1

89to

be

invo

iced

in F

Y09

-10

per 2

3% w

ater

dis

tribu

tion

(spl

it by

wat

er d

istri

butio

n)LA

CFC

D68

%1,

451,

951

$ $1

,844

,451

Add

'l ph

2 po

rtion

(FY

09-1

0):

$130

,815

to b

e in

voic

ed in

FY

09-1

0 to

com

plet

e O

CW

D s

hare

of p

roje

ctO

CW

D32

%67

2,04

9$

$6

72,0

49TO

TAL

2,12

4,00

0$

$2,5

16,5

00

Onc

e sp

lit in

to tw

o ph

ases

…Ph

ase

Incl

. Len

gth

% o

f Tot

alEq

uiv.

Cos

tP

h. 1

13,4

8947

%$3

15,8

63P

h. 2

14,9

9153

%$3

56,1

86To

tal

28,4

8010

0%$6

72,0

49

$11,

776.

44

FY09

-10

(23%

O

CW

D

shar

e)In

voic

e N

o. S

A10

0000

328

- 2/9

/10

- $38

6,18

8N

ote:

$34

2,00

4 ($

516,

130

- $16

2,35

0 - $

11,7

76) s

till o

wed

by

OC

WD

goi

ng

into

FY

09-1

0 (p

revi

ousl

y es

timat

ed a

s $4

15,4

59).

The

yea

r-en

d FY

09-1

0 in

voic

e w

ill a

ccou

nt fo

r it a

nd c

ompl

ete

OC

WD

's s

hare

of t

he c

atho

dic

prot

ectio

npr

ojec

t con

tract

. To

do

so, t

he p

erce

ntag

e w

ater

dis

tribu

tion

will

be

appl

ied

and

then

the

appr

opria

te a

mou

nt w

ill b

e ad

ded

or d

educ

ted

to to

tal $

342,

004

and

ther

efor

e sa

tisfy

the

rem

aind

er o

f OC

WD

's a

gree

d co

ntrib

utio

n fo

r the

cat

hodi

c pr

otec

tion

proj

ect c

ontra

ct e

xpen

ses.

Invo

ice

No.

SA

1100

0028

3 - D

ec 2

010

- $42

9,97

9.56

$816

,167

.56

$342

,004

.31

$342

,004

.31

1 D

urin

g FY

05-0

6, th

e JM

C a

gree

d to

spl

it th

e ca

thod

ic p

rote

ctio

n (C

P) c

ontra

ct c

osts

acc

ordi

ng to

the

aver

age

of th

e pr

evio

us 5

fisc

al y

ears

' wat

er d

istri

butio

n ra

tio.

As

this

pro

ject

got

del

ayed

and

di

vide

d, re

vise

d es

timat

es w

ere

deriv

ed, d

iscu

ssed

, and

bud

gete

d w

ith th

e JM

C.

The

Bud

gete

d C

ontra

ct E

xpen

ses

MO

DIF

IED

" row

sho

ws

the

prev

ious

ly b

udge

ted

amou

nts

but s

till d

ivid

ed a

ccor

ding

to

the

orig

inal

32%

OC

WD

to 6

8% L

AC

FCD

ratio

, sim

ply

to in

dica

te w

hat t

he c

orre

spon

ding

bre

akdo

wns

wou

ld b

e. T

he a

ctua

l inv

oice

s fo

r FY

07-0

8 an

d FY

08-0

9 us

ed th

eir r

espe

ctiv

e ye

ars'

wat

er

dist

ribut

ion

ratio

, whi

le th

e FY

09-1

0 in

voic

e us

ed th

e ye

ar's

wat

er d

istri

butio

n ra

tio a

nd th

en a

dded

the

rem

aini

ng d

ue o

n to

p.

2 A

BP

JM

C T

otal

Exp

ense

she

ets

(the

atta

chm

ents

that

go

out w

ith e

ach

end-

of-y

ear b

illin

g) fo

r yea

rs p

rior t

o FY

09-1

0 ac

coun

t for

the

CP

am

ount

s (s

how

n un

der e

ither

Job

No.

X50

0945

7 (P

h.1)

or

X50

0964

2 (P

h.2)

) with

in It

em 7

(Mai

nt &

Rep

air o

f Dis

tribu

tion

Sys

tem

). F

or F

Y09

-10,

thes

e co

sts

are

with

in th

e ne

wly

cre

ated

Item

15

(Pro

ject

s an

d S

tudi

es) i

nste

ad.

In a

ll ca

ses,

the

CP

am

ount

s in

clud

e no

t jus

t the

con

tract

exp

ense

s, b

ut a

ll ot

her r

elat

ed c

osts

as

wel

l (la

bor,

mat

eria

ls, e

quip

men

t, an

d a

pro-

rate

d m

ark-

up to

cov

er th

e ge

nera

l exp

ense

s w

hen

appl

icab

le).

The

se a

mou

nts

wer

e di

vide

d ac

cord

ing

to th

e w

ater

usa

ge ra

tio fo

r tha

t par

ticul

ar fi

scal

yea

r. S

ince

thos

e an

nual

ratio

s w

ere

alw

ays

low

er th

an th

e pr

evio

usly

agr

eed

32%

, an

addi

tiona

l am

ount

in F

Y09

-10

was

nec

essa

ry to

sa

tisfy

OC

WD

's to

tal a

nd fi

nal c

ontri

butio

n.

Leng

th o

f Pip

e fo

r CP

Planned

A-21

-----Actual-----

2010-11 1st Quarter Costs2011-12 OPERATION AND MAINTENANCE BUDGET

JMC Fiscal LACFCD OCWD WRD TOTALNo. Year Budget Actual Budget Actual Budget Actual Budget Actual1. Analysis and direction of injection operation ($)

2008-09 157,000 61,123 93,000 21,938 50,000 0 300,000 83,0612009-10 90,000 64,976 60,000 19,915 150,000 84,8912010-11 60,000 13,139 40,000 3,316 100,000 16,4542011-12 65,000 35,000 100,000

2. Maintenance and repair of injection wells ($)2008-09 84,000 169,108 56,000 60,695 140,000 229,8032009-10 90,000 260,402 60,000 79,814 150,000 340,2162010-11 90,000 68,112 60,000 17,188 150,000 85,3002011-12 117,000 63,000 180,000

3. Operations of Injection Well Facilities ($)2008-09 120,000 99,623 80,000 35,756 200,000 135,3792009-10 120,000 29,680 80,000 9,097 200,000 38,7772010-11 120,000 4,520 80,000 1,141 200,000 5,6612011-12 130,000 70,000 200,000

4. Analysis and direction of extraction operation ($)2008-09 2,000 21 2,000 212009-10 0 0 0 02010-11 0 0 0 02011-12 0 0

5. Redevelopment, maintenance, and repair of extraction wells ($)2008-09 2,000 10,608 2,000 10,6082009-10 0 0 0 02010-11 10,000 0 10,000 02011-12 5,000 5,000

6. Operations of Extraction Wells ($)2008-09 3,200 4,113 3,200 4,1132009-10 4,200 20,223 4,200 20,2232010-11 5,200 797 5,200 7972011-12 5,200 5,200

7. Maintenance and repair of distribution system ($)2008-09 220,000 423,201 130,000 151,893 350,000 575,0942009-10 210,000 246,254 140,000 75,478 350,000 321,7322010-11 210,000 72,007 140,000 18,171 350,000 90,1782011-12 227,500 122,500 350,000

8. Maintenance of Observation Wells ($)2008-09 45,000 131,767 30,000 47,293 75,000 179,0602009-10 42,000 0 28,000 0 70,000 02010-11 42,000 0 28,000 0 70,000 02011-12 65,000 35,000 100,000

9. Collection of groundwater data ($)2008-09 54,000 90,136 36,000 32,351 90,000 122,4872009-10 54,000 96,360 36,000 29,535 90,000 125,8942010-11 54,000 14,478 36,000 3,654 90,000 18,1312011-12 58,500 31,500 90,000

10. Yard Maintenance ($)2008 09 34 625 16 278 375 375 35 000 16 6532008-09 34,625 16,278 375 375 35,000 16,6532009-10 29,625 62,084 375 375 30,000 62,4592010-11 29,625 13,680 375 375 30,000 14,0552011-12 39,625 375 40,000

11. Injection Well Redevelopment ($)2008-09 180,000 334,284 120,000 119,980 300,000 454,2642009-10 192,000 565,124 128,000 173,212 320,000 738,3362010-11 240,000 146,324 160,000 36,926 400,000 183,2492011-12 260,000 140,000 400,000

12. Processing of data and preparation of reports ($)2008-09 54,000 24,382 36,000 8,751 90,000 33,1332009-10 48,000 52,223 32,000 16,006 80,000 68,2292010-11 36,000 1,957 24,000 494 60,000 2,4502011-12 39,000 21,000 60,000

13. Special Programs (LACDPW only) ($)2008-09 40,000 27,821 40,000 27,8212009-10 235,000 92,548 235,000 92,5482010-11 230,000 145,623 230,000 145,6232011-12 95,000 95,000

14. Reclaim Water Program ($)2008-09 4,500 14,089 3,000 5,057 7,500 19,1462009-10 4,500 9,323 3,000 2,857 7,500 12,1802010-11 6,000 2,618 4,000 661 10,000 3,2792011-12 6,500 3,500 10,000

15. Projects and Studies ($)2008-09 N/A N/A N/A N/A N/A N/A N/A N/A2009-10 0 957,017 205,000 293,329 205,000 69,278 410,000 1,319,6242010-11 0 41,624 200,000 10,504 200,000 6,902 400,000 59,0302011-12 39,000 91,000 70,000 200,000

2008-09 1,000,325 1,406,555 584,375 484,090 50,000 0 1,634,700 1,890,6452009-10 1,119,325 2,456,213 772,375 699,619 205,000 69278 2,096,700 3,225,1102010-11 1,132,825 524,877 772,375 92,429 200,000 6902 2,105,200 624,2082011-12 1,152,325 612,875 70,000 1,835,200

2008-09 2,040 2,096 3,960 5,840 6,000 7,9362009-10 2,400 1,321 3,600 4,309 6,000 5,6292010-11 2,800 257 4,200 1,019 7,000 1,2762011-12 2,400 3,600 6,000

Volume of Water (ac-ft)

Totals - Operations and Maintenance ($)

TOTA

LS

NOTE: This FY11-12 budget is the first to include the addition of Category 15 (Projects and Studies). All items within Category 15 were previously included in other categories. Starting with FY09-10, budgeted and actual amounts have been redistributed accordingly (but do not impact previous totals). As a result, past amounts shown hereon may not match what is shown on past budget sheets, but reflect the more detailed breakdown of effective costs/budgets. Project-related labor costs and contract costs not governed by separate agreements (i.e., Cathodic Protection) are addressed in Category 15. Contract costs governed by separate agreements are addressed as part of Category 13.

Revision 12/16/2010 Budget 2011-12 (1st Q 10-11 Exp).xls A-22

2009-10 ABP Annual Report body FINAL · PDF fileSummary of Cathodic Protection Cost-Sharing ... Annual Report. All minor shutdowns for the current reporting period are detailed in

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