"The West Coast Groundwater Basin (Basin) underlies 160 square miles in the southwestern part of the Los Angeles Coastal Plain in Los Angeles County. The Basin provides groundwater to approximately eleven cities and unincorporated areas of Los Angeles County."
-West Basin Water District
West Basin Rights Holders AY 2025-26
| Party | Rights | OYC | Drought CO | Flex | No Flex | Stored | Produced |
|---|---|---|---|---|---|---|---|
| Shell Oil Co NCWUP | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 100.14 |
| Montrose Chemical Corporation of California | 1.20 | 1.20 | 0 | 0.00 | 0.00 | 0 | -3.97 |
| Boeing Company | 1.70 | 0.00 | 0 | 0.00 | 0.00 | 0 | 66.11 |
| Honeywell International, Inc. (NCWUP) | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 6.24 |
| CEMEX, Inc. | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Shell Oil Products (Wilmington Site) | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 8.26 |
| Lockheed Martin Corporation (NCWUP) | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Shell Oil Company | 1019.50 | 0.00 | 0 | -1019.50 | 0.00 | 0 | 0.00 |
| Tesoro Refining & Marketing Company LLC | 8741.00 | 9557.72 | 0 | 1019.50 | 0.00 | 0 | 7616.28 |
| ABC Nursery, Inc. | 24.10 | 24.10 | 0 | 0.00 | 0.00 | 0 | 2.00 |
| Honeywell International, Inc. | 22.50 | 22.50 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| California Water Service Company | 4070.00 | 4030.00 | 0 | 0.00 | 0.00 | 0 | 1140.47 |
| California Water Service Co./Hawthorne Lease | 0.00 | 1882.00 | 0 | 1882.00 | 0.00 | 0 | 672.27 |
| California Water Service Company (Dominguez) | 10417.45 | 10417.45 | 0 | 0.00 | 0.00 | 0 | 3398.90 |
| West Basin Brewer Desalter | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Golden State Water Company | 7502.24 | 1709.16 | 3.39 | 0.00 | 0.00 | 3300 | 5258.19 |
| Hillside Memorial Park | 104.10 | 82.36 | 0 | 0.00 | 0.00 | 0 | 71.56 |
| Inglewood, City of | 4731.89 | 3231.89 | 0 | 0.00 | 0.00 | 0 | 1523.92 |
| Kinder Morgan Liquids Terminals LLC | 167.00 | 167.00 | 0 | 0.00 | 0.00 | 0 | 40.76 |
| Los Angeles County Department of Parks | 363.70 | 349.49 | 0 | 0.00 | 0.00 | 0 | 185.18 |
| Los Angeles County Sanitation Districts (WWRF) | 102.00 | 102.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Lomita, City of | 1352.00 | 1052.00 | 0 | 0.00 | 0.00 | 0 | 16.51 |
| Manhattan Beach, City of | 1131.20 | 226.24 | 0 | 0.00 | 0.00 | 2262.4 | 425.35 |
| Torrance Refining Company LLC | 2596.40 | 2596.40 | 30.43 | 0.00 | 0.00 | 0 | 714.20 |
| Myron Z. Chalavin | 0.00 | 12.10 | 0 | 12.10 | 0.00 | 0 | 0.00 |
| Eco Services Operations, LLC | 521.00 | 521.00 | 0 | 0.00 | 0.00 | 0 | 204.99 |
| Roman Catholic Archbishop of Los Angeles | 72.30 | 221.63 | 0 | 0.00 | 0.00 | 0 | 186.71 |
| Southern California Edison Co. | 57.10 | 57.10 | 6.22 | 0.00 | 0.00 | 0 | 12.68 |
| Torrance, City of | 5638.86 | 1127.77 | 0 | 0.00 | 0.00 | 11277.2 | 2864.66 |
| Long Beach, City of | 0.70 | 0.70 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Phillips 66 Company | 6170.00 | 6170.00 | 787.78 | 0.00 | 0.00 | 0 | 2292.19 |
| Rolling Hills Country Club | 290.00 | 215.00 | 0 | 0.00 | 0.00 | 0 | 256.00 |
| SCI California Funeral Services, Inc | 39.40 | 61.04 | 0 | 0.00 | 0.00 | 0 | 52.98 |
| Hawthorne, City of | 1882.00 | 0.00 | 0 | -1882.00 | 0.00 | 0 | 0.00 |
| Engelsma, Susan Trust | 12.10 | 0.00 | 0 | -12.10 | 0.00 | 0 | 0.00 |
| Fujimoto, SR. | 20.00 | 20.00 | 12.28 | 0.00 | 0.00 | 0 | 0.00 |
| Inglewood Park Cemetery | 0.00 | 0.00 | 35 | 0.00 | 0.00 | 0 | 0.00 |
| Palos Verdes Begonia Farm | 0.00 | 0.00 | 7.4 | 0.00 | 0.00 | 0 | 0.00 |
| Asahi Fancy Koi, Inc | 2.00 | 2.00 | 32.2 | 0.00 | 0.00 | 0 | 0.00 |
| Automation Industries, Inc | 0.70 | 0.70 | 3.4 | 0.00 | 0.00 | 0 | 0.00 |
| Delaney, Golda Estate of | 4.10 | 4.10 | 10.2 | 0.00 | 0.00 | 0 | 0.00 |
| Leuzinger, Emma L Estate of | 1.40 | 1.40 | 4.5 | 0.00 | 0.00 | 0 | 0.00 |
| Lopes, Frank | 3.70 | 3.70 | 9.4 | 0.00 | 0.00 | 0 | 0.00 |
| Mori, Roy H and Kenji | 3.60 | 3.60 | 9.2 | 0.00 | 0.00 | 0 | 0.00 |
| Coastline Church of Christ | 0.70 | 0.70 | 3.4 | 0.00 | 0.00 | 0 | 0.00 |
| Curtis, Owen W | 0.36 | 0.36 | 2.72 | 0.00 | 0.00 | 0 | 0.00 |
| Chandler Palos Verdes Sand | 4.20 | 4.20 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| El Segundo City of | 953.00 | 953.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Evergreen America Corporation | 5.40 | 5.40 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Los Angeles, City of Dept of Water and Power | 1503.00 | 1503.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Nozaki, Sumikichi | 7.00 | 7.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Pacific Crest Cemetery Company | 0.00 | -3.92 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Vukelich, Mike Jr. | 10.00 | 8.92 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Watson Land Company | 80.20 | 80.20 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| CBS, Inc. | 9.50 | 9.50 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Carson-Harbor Village Mobile Home Park | 7.00 | 7.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Carson-Madrona Company | 104.00 | 104.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Century Builders | 4.70 | 4.70 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Chevron USA Inc. | 4601.30 | 4601.30 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Gillingham, Florence R, et al | 2.40 | 2.40 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Honold, Kristin Brandsma | 11.80 | 11.80 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Loyola Marymount University | 48.10 | 48.10 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Northrop Corporation | 38.15 | 38.15 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Rehor, Josephine P | 2.20 | 2.20 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Wiseburn School District | 8.20 | 8.20 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Lockheed Martin Corporation | 0.10 | 0.10 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Aqua Capital Management LP | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Hollywood Park Land Company, LLC | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Hughes Aircraft Company | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Mayflower Nurseries | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| McDonnell Douglas Corp. | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Ocean Industries, Inc. | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Western Water Service Company | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Zeigler, Maxwell T. | 0.00 | 0.00 | 0 | 0.00 | 0.00 | 0 | 0.00 |
| Party | Rights | OYC | Drought CO | Flex | No Flex | Stored | Produced |
Groundwater Recharge
"The West Coast Groundwater Basin (Basin) underlies 160 square miles in the southwestern part of the Los Angeles Coastal Plain in Los Angeles County. The Basin provides groundwater to approximately eleven cities and unincorporated areas of Los Angeles County."
-West Basin Water District
Map of the Central and West Coast Basins
