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Groundwater Assessment Study
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A Status Report on the Use of Groundwater in the Service Area of the Metropolitan Water District of Southern California

Report Number 1308

September 2007



Final Groundwater Assessment Study Chapter Quicklinks: Chapter 1  |  Chapter 2  |  Chapter 3  |  Chapter 4 | Appendices

Executive Summary

Table of Contents (82KB pdf)

Executive Summary (128KB pdf)

List of Plates:
    ES-1 - Groundwater Basins (5.28MB pdf)

    ES-2 - Trends in Average Annual Groundwater Production by Sub-Region (5.29MB pdf)

    ES-3 - Trends in Wet Year Direct Groundwater Recharge by Sub-Region (5.28MB pdf)

    ES-4 - Water Level Changes 1985/86 to 2004/05 (5.09MB pdf)

    ES-5 - Contractural Conjunctive Use Programs in 2006 (5.09MB pdf)

    ES-6 - Available Groundwater Storage Space in 2006 (5.23MB pdf)


Final Groundwater Assessment Study

Table of Contents (279KB pdf)

Chapter 1 -  Introduction   (151KB pdf)
Introduction
Purpose
Report Organization

Chapter 2 - Methodology (200KB pdf)
Introduction
Data Collection and Review Process
Mapping and Data Presentation
Disclaimer

Chapter 3 - Regional Overview (3.49MB pdf)
Introduction
Groundwater Basin Management
Basin operations
Groundwater Levels and Change in Storage
Availability of Groundwater Basin Storage
Summary
List of Plates:
    Plate III-1 Groundwater Basin Management in 2006 (4.60MB pdf)
   
    Plate III-2 Groundwater Basin Facilities as of 2006 (3.72MB pdf)

    Plate III-3 Locations of Precipitation Stations and Key Wells (4.39MB pdf)
   
    Plate III-4 - Trends in Average Annual Groundwater Production by Sub-Region (4.58MB pdf)

    Plate III-5 - Trends in Wet Year Direct Groundwater Recharge by Sub-Region (4.58MB pdf)

    Plate III-6 - Available Groundwater Storage Space in 2006 (4.53MB pdf)

    Plate III-7 - Contractual Conjunctive Use Projects in 2006 (4.37MB pdf)

 

Chapter 4 - Groundwater Basin Reports

Groundwater Assessment Study Basin Reports Index Map (4.36MB pdf)

   

Northwest Metropolitan Service Area Basins
Ventura County Basins (917KB pdf) Ventura County Basins Plate (2.63MB pdf)
San Fernando Valley Basins
Upper Los Angeles River Area Basins (566KB pdf) Upper Los Angeles River Area Basins Plate (2.91MB pdf)
Los Angeles County Coastal Plain Basins
Central Basin (546KB pdf) Central Basin Plate (2.26MB pdf)
West Coast Basin (496KB pdf) West Coast Basin Plate (1.14MB pdf)
Santa Monica Basin (258KB pdf) Santa Monica Basin Plate (867KB pdf)
Hollywood Basin (282KB pdf) Hollywood Basin Plate (850KB pdf)
San Gabriel Valley Basins
Main San Gabriel and Puente Basins (614KB pdf) Main San Gabriel and Puente Basins Plate (2.35MB pdf)
Raymond Basin (626KB pdf) Raymond Basin Plate (1.02MB pdf)
Six Basins (834KB pdf) Six Basins Plate (1.02MB pdf)
Orange County Basins
Orange County Basin (3.04MB pdf) Orange County Basin Plate (2.41MB pdf)
San Juan Basin (317KB pdf) San Juan Basin Plate (1.53MB pdf)
Inland Empire Basins
Chino and Cucamonga Basins (1.14MB pdf) Chino and Cucamonga Basins Plate (2.19MB pdf)
Eastside Metropolitan Service Area Basins
Riverside Basin (419KB pdf) Riverside Basin Plate (1.32MB pdf)
Arlington Basin (299KB pdf) Arlington Basin Plate (985KB pdf)
Temescal Valley Basins (447KB pdf) Temescal Valley Basins Plate (1.59MB pdf)
Elsinore Basin (587KB pdf) Elsinore Basin Plate (973KB pdf)
West San Jacinto Basins (1.05MB pdf) West San Jacinto Basins Plate (2.56MB pdf)
Hemet-San Jacinto Basins (1.20MB pdf) Hemet-San Jacinto Basins Plate (1.84MB pdf)
Temecula-Murrieta Basin (1.24MB pdf) Temecula-Murrieta Basin Plate (2.72MB pdf)
San Diego County Basins
San Diego County Overview (34KB pdf) San Diego County Basins Plate (3.23MB pdf)
North San Diego County Basins (180KB pdf)  
Central San Diego County Basins (309KB pdf)  
South San Diego County Basins (299KB pdf)  
Other Basins
Other Basins Not Covered (267KB pdf)  

Appendices

Appendix A - Groundwater Basin Designations (171KB pdf)

Appendix B - Summary of Groundwater Basin Management (176KB pdf)

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Page updated: October 8, 2007