Cambria Emergency Water Supply Project TO1: Geo ... 6 • Alternative Analysis 6-22...

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Cambria Emergency Water Supply ProjectTO1: Geo-Hydrological Model Figure 6-8

Simulated Tracer Extent at 90 Days

Note: Color fill area represents 10% of the injected tracer concentration.

Section 6 • Alternative Analysis

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Simulated Water Levels After One Year of Operation


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Simulated Tracer Breakthrough at wells SS1 and SS2


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Cambria Emergency Water Supply ProjectTO1: Geo-Hydrological Model Figure 6-1р

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0

1

2

3

4

5

6

7

8

9

0 50 100 150 200 250 300 350 400 450 500

Elev

atio

n (

ft)

Days Since Start of Emergency Alternative 4 Operations

Simulated Shallow Water Table Elevation

Lagoon Channel Invert Elevation


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Simulated Basin Storage Depletion and Ocean Inflows and Outflows

-20000

0

20000

40000

60000

80000

100000

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Flo

w (

ft^3

/day

)

Months of Emergency Operations

Removal from Aquifer Storage

Flow from Ocean to Aquifer

Discharge from Aquifer to Ocean Recharge from Ocean to Aquifer


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Cambria Emergency Water Supply ProjectTO1: Geo-Hydrological Model Figure 6-1т

TDS Profile from Well Samples

0

1000

2000

3000

4000

5000

6000

0 1000 2000 3000 4000 5000 6000 7000

TDS

(mg/

L)

Distance from Shoreline (ft)

8R3

9N2

9P7 CCSD well field


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Simulated TDS at Brackish Extraction Well

0

100

200

300

400

500

600

700

800

900

0 50 100 150 200 250 300 350 400 450 500

TDS

(mg/

L)

Days of Emergency Operations


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Section 7 References

Hall, C. A., Jr.; Ernst, W. G.; Prior, S. W.; Wiese, J. W., 1979, Geologic map of the San Luis Obispo-San

Simeon Region, California, US Geological Survey, Miscellaneous Investigations Series Map I-1097.

Harbaugh, Arlen W.; Banta, Edward R.; Hill, Mary C.; McDonald, Michael G., 2000 MODFLOW-2000 The

U.S. Geological Survey Modular Ground-Water Model - User Guide to Modularization Concepts and

the Ground-Water Flow Process, USGS Open-File Report: 2000-92.

Langevin, C.D., Shoemaker, W.B., and Guo, Weixing, 2003, MODFLOW-2000, the U.S. Geological Survey

Modular Ground-Water Model–Documentation of the SEAWAT-2000 Version with the

Variable-Density Flow Process (VDF) and the Integrated MT3DMS Transport Process (IMT):

U.S. Geological Survey Open-File Report 03-426, 43 p.

Yates, Eugene B.; Van Konyenburg, Kathryn M., 1998, Hydrogeology, Water Quality, Water Budgets, and

Simulated Responses to Hydrologic Changes in Santa Rosa and San Simeon Creek Ground-Water

Basins, San Luis Obispo County, California, U S Geological Survey, Water Resources Investigations

Report 98-4061.

Yates, Eugene B., 2007, Water Master Plan EIR: Draft Description of Groundwater Model and Simulation

Results, unpublished technical memorandum from Gus Yates to Bob Gresens, May 26, 2007.

Zheng, Chunmiao, and P. Patrick Wang, 1999, MT3DMS, A Modular Three-Dimensional Multi-Species

Transport Model for Simulation of Advection, Dispersion and Chemical Reactions of Contaminants in

Groundwater Systems; documentation and user’s guide, U.S. Army Engineer Research and

Development Center Contract Report SERDP-99-1, Vicksburg, MS, 202 p.

Section 7 • References

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