| |
| Antelope |
| Big Bear |
| Cascades/Modoc Plateau |
| Central Desert, Borrego, Low-Use Desert Basins |
| Central Eastside |
| Central Sierras |
| Coachella |
| Coastal L.A. Basins |
| Colorado River |
| Hard Rock Areas |
| Kern |
| Klamath |
| Madera/Chowchilla |
| Middle Sacramento Valley |
| Moajve |
| Monterey/Salinas |
| North Coast Ranges |
| North San Francisco Bay |
| Northern Sacramento Valley |
| Northern San Joaquin Valley |
| Owens/Indian Wells |
| San Diego |
| San Francisco Bay |
| Santa Barbara |
| Santa Clara River Valley |
| Sierras |
| South Coast Ranges - Coastal |
| South Coast Ranges - Interior |
| Southeast San Joaquin Valley |
| Southern Sacramento Valley |
| Southern Sierras |
| Tahoe/Martis Valley |
| Upper L.A. Basin |
| Upper Santa Ana |
| Western San Joaquin Valley |
| S10_Northern San Joaquin Valley |
| S11_Coachella Valley |
| S12S13_Modesto, Turlock, and Merced Basins |
| S14_Eastern Sacramento Valley and Foothills (Butte-Sutter-Yuba) |
| S15_Kern Basin |
| S16_Gilroy and Hollister Basins and adjacent highlands |
| S17_Western San Joaquin Valley |
| S18_Cenrtal Sierra |
| S1_North San Francisco Bay Basins and adjacent highlands |
| S2_Monterey Bay and Salinas Valley Basins and adjacent highlands |
| S3_Madera, Chowchilla, and Kings Basins |
| S4_Kaweah, Tule, and Tulare Lake Basins and adjacent highlands |
| S5_Yuba and Bear River Watersheds |
| S6_Mokelumne, Cosumnes, and American River Watersheds |
| S7_Cosumnes and American Basins (SacMetro) |
| S8_Western Mojave Desert Basins |
| S9_Northern Sacramento Valley (Redding-Red Bluff) |
| S_19_Antelope |