| San Lorenzo Creek Below Bitterwater Creek Near King City, CA |
| San Lorenzo River At Big Trees, CA |
| San Lorenzo River At Santa Cruz, CA |
| San Luis Rey River At Oceanside, CA |
| San Mateo Creek Below Lo Crystal Spring Res Near San Mateo, CA |
| San Mateo Creek Near San Clemente, CA |
| San Ramon Creek At San Ramon, CA |
| Santa Ana River At E St Near San Bernardino, CA |
| Santa Ana River At Mwd Crossing, CA |
| Santa Ana River At Santa Ana, CA |
| Santa Ana River Below Prado Dam, CA |
| Santa Ana River Near Mentone (River Only), CA |
| Santa Barbara Canyon Creek Near Ventucopa, CA |
| Santa Clara River Near Piru, CA |
| Santa Cruz Creek Near Santa Ynez, CA |
| Santa Gertrudis Creek Near Temecula, CA |
| Santa Margarita River At Fpud Sump Near Fallbrook, CA |
| Santa Margarita River At Ysidora, CA |
| Santa Margarita River Near Temecula, CA |
| Santa Maria Creek Near Ramona, CA |
| Santa Maria River At Suey Crossing Near Santa Maria, CA |
| Santa Paula Creek Near Santa Paula, CA |
| Santa Rosa Creek At Santa Rosa, CA |
| Santa Rosa Creek At Willowside Rd Near Santa Rosa, CA |
| Santa Ynez River At H St Near Lompoc, CA |
| Santa Ynez River At Narrows Near Lompoc, CA |
| Santa Ynez River At Solvang, CA |
| Santa Ynez River Below Gibraltar Dam Near Santa Barbara, CA |
| Santa Ynez River Below Los Laurls Canyon Near Snta Ynez, CA |
| Santa Ynez River Near Santa Ynez, CA |
| Santa Ysabel Creek Near Ramona, CA |
| Santiago Creek At Modjeska, CA |
| Santiago Creek At Santa Ana, CA |
| San Timoteo Creek Near Loma Linda, CA |
| Saratoga Creek At Saratoga, CA |
| Sar Supp Gage Near Mentone, CA |
| Scott River Near Fort Jones, CA |
| Sespe Creek Near Fillmore, CA |
| Sespe Creek Near Wheeler Springs, CA |
| Shasta River Near Montague, CA |
| Shasta River Near Yreka, CA |
| Sisquoc River Near Garey, CA |
| Sisquoc River Near Sisquoc, CA |
| Smith River Near Crescent City, CA |
| Smith River Near Fort Dick, CA |
| Snow Creek Near White Water, CA |
| Sonoma Creek At Agua Caliente, CA |
| Sonoma Creek At Kenwood, CA |
| Soquel Creek At Soquel, CA |
| South Fork Eel River At Leggett, CA |
