Public Water Systems
7,249 active public water systems in CA, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| KOEHLER WINERY | LOS OLIVOS, CA | 40 | 10 | — |
| MOUNTAIN SPRINGS MUTUAL WATER COMPANY | LOS GATOS, CA | 40 | 35 | — |
| CHIRI SWEET WATER COMPANY | SAN MARTIN, CA | 40 | 6 | — |
| CEDAR CREEK MOBILEHOME PARK | COLUSA, CA | 40 | 62 | — |
| PG&E - MCCUMBER CAMPGROUND | REDDING, CA | 40 | 2 | — |
| ANDERSON MOBILE HOME PARK | SACRAMENTO, CA | 40 | 9 | — |
| WEAVER LUMBER WATER SYSTEM | ANDERSON, CA | 40 | 16 | — |
| TNF-UNION FLAT CG | NEVADA CITY, CA | 40 | 3 | — |
| TNF-YUBA PASS CG | NEVADA CITY, CA | 40 | 0 | — |
| JUNCTION ELEMENTARY SCHOOL | YREKA, CA | 40 | 35 | — |
| VACA-DIXON SUBSTATION | SANTA ROSA, CA | 40 | 2 | — |
| SONOMA COUNTY MUTUAL WATER COMPANY | SAN FRANCISCO, CA | 40 | 208 | — |
| CLEAR CREEK WATER COMPANY | CLOVERDALE, CA | 40 | 17 | — |
| WEST WATER COMPANY (PUC) | SANTA ROSA, CA | 40 | 30 | — |
| MOM S APPLE PIE | SEBASTOPOL, CA | 40 | 10 | — |
| GURDJIEFF FOUNDATION | SAN FRANCISCO, CA | 40 | 20 | — |
| OVERSHINE WINE COMPANY | HEALDSBURG, CA | 40 | 18 | — |
| MAURITSON FAMILY WINERY | HEALDSBURG, CA | 40 | 4 | — |
| WOHLER SPRINGS LLC | CA | 40 | 0 | — |
| MAYACAMAS WAREHOUSE, LLC | SONOMA, CA | 40 | 2 | — |
| DUTCHER CROSSING WINERY | ONALASKA, CA | 40 | 0 | — |
| TRUCK TOPS USA | SANTA ROSA, CA | 40 | 0 | — |
| LAKEWOOD MEMORIAL PARK & FUNERAL HOME | HUGHSON, CA | 40 | 11 | — |
| STORER TRANSPORTATION | MODESTO, CA | 40 | 41 | Clean |
| FOSTER FARMS-ELLENWOOD HATCHERY | LIVINGSTON, CA | 40 | 11 | — |
| YUBA APARTMENT HOMES | YUBA CITY, CA | 40 | 14 | — |
| WOMACK SUBDIVISION M.W.C. | RED BLUFF, CA | 40 | 14 | — |
| RED BLUFF FISH & WILDLIFE OFFICE | RED BLUFF, CA | 40 | 8 | — |
| SEYMOUR'S MUTUAL WATER SYSTEM | TRINITY CENTER, CA | 40 | 32 | — |
| RIVER RETREAT MUTUAL WATER COMPANY | THREE RIVERS, CA | 40 | 28 | — |
| EAST THREE RIVERS MUTUAL WATER CORP | THREE RIVERS, CA | 40 | 14 | — |
| CAMP WILDERNESS | PROVIDENCE, CA | 40 | 11 | — |
| QUESADILLA GORILLA | THREE RIVERS, CA | 40 | 0 | — |
| DELORO VALLEY WATER SYSTEM | TUOLUMNE, CA | 40 | 14 | — |
| APPLE VALLEY FARMS | SONORA, CA | 40 | 2 | — |
| SILT WINE COMPANY | CLARKSBURG, CA | 40 | 0 | — |
| ROLLING ACRES MUTUAL WATER COMPANY | DAVIS, CA | 40 | 48 | — |
| YOLO CO CENTRAL LANDFILL | WOODLAND, CA | 40 | 5 | — |
| OREGON HOUSE GROCERY | MARYSVILLE, CA | 40 | 0 | — |
| JANDE COUNTRY MARKET | MARYSVILLE, CA | 40 | 2 | — |
| HEATHER LAKE ROAD TRACT | SOUTH LAKE TAHOE, CA | 39 | 7 | — |
| SEQUOIA BIBLE FELLOWSHIP | SQUAW VALLEY, CA | 39 | 14 | — |
| SJRP COKE HALLOWELL CENTER | FRESNO, CA | 39 | 9 | — |
| HUDSON RANCH POWER I LLC | CALIPATRIA, CA | 39 | 3 | — |
| OLANCHA RV AND MHP | PORTER RANCH, CA | 39 | 27 | — |
| HEATH BRIMHALL P.O.A. | BAKERSFIELD, CA | 39 | 13 | — |
| 60TH STREET ASSOC. WATER SYSTEM | ROSAMOND, CA | 39 | 18 | — |
| COLORADO MUTUAL WATER COMPANY | LANCASTER, CA | 39 | 8 | — |
| WHEELER FARMS WINERY | ST. HELENA, CA | 39 | 8 | — |
| BEHRENS FAMILY WINERY | ST. HELENA, CA | 39 | 10 | — |