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 |
|---|---|---|---|---|
| TOMALES ELEM & MIDDLE SCHOOL | TOMALES, CA | 225 | 6 | — |
| LINDEN USD-WATERLOO ELEMENTARY | RIPON, CA | 225 | 21 | — |
| LIBERTY SCHOOL | PETALUMA, CA | 225 | 7 | — |
| BENZIGER FAMILY WINERY | GLEN ELLEN, CA | 225 | 2 | — |
| THREE RIVERS VILLAGE | SANTA BARBARA, CA | 225 | 35 | — |
| TAMARRON MOBILE HOME PARK | NEWPORT BEACH, CA | 225 | 17 | — |
| CLASSIC YAM WATER SYSTEM | LIVINGSTON, CA | 224 | 10 | — |
| ANZA MUTUAL WATER COMPANY | ANZA, CA | 224 | 52 | — |
| LUCERNE VISTA MWC | LUCERNE VALLEY, CA | 224 | 11 | — |
| CYPRESS MUTUAL WATER CO INC | OXNARD, CA | 224 | 19 | — |
| SCIOTS TRACT WATER SYSTEM | SACRAMENTO, CA | 223 | 28 | — |
| MOUNTAIN SUMMIT MUTUAL WATER SYSTEM | LOS GATOS, CA | 223 | 16 | — |
| LAKESHORE VILLA CENTER | RANCHO CORDOVA, CA | 223 | 9 | — |
| PINE COVE RV PARK | CAMAS, CA | 223 | 16 | — |
| CAMP WAWONA | WAWONA, CA | 222 | 4 | — |
| ANANDA VILLAGE | NEVADA CITY, CA | 222 | 18 | — |
| FRANCIS COPPOLA WINERY | MANTECA, CA | 222 | 10 | — |
| RMRC-GOLDLEDGE CAMPGROUND | OVERLAND PARK, CA | 222 | 0 | — |
| DRYTOWN COUNTY WATER DISTRICT | IONE, CA | 221 | 13 | — |
| QVWD-WEST & EAST COMBINED WATER SYSTEM | TEHACHAPI, CA | 221 | 49 | — |
| RICHMOND ELEMENTARY SCHOOL | SUSANVILLE, CA | 221 | 10 | — |
| MAGIC MOUNTAIN MUTUAL WATER COMPANY | SANTA BARBARA, CA | 221 | 39 | — |
| NORTH STAR MOBILE HOME PARK | SANTA ROSA, CA | 221 | 27 | — |
| DINGERVILLE USA PARK | YORBA LINDA, CA | 220 | 13 | — |
| PANOCHE WATER DISTRICT | FIREBAUGH, CA | 220 | 124 | — |
| THE PEG HOUSE | LEGGETT, CA | 220 | 0 | — |
| EL NIDO ELEMENTARY SCHOOL | EL NIDO, CA | 220 | 6 | — |
| RIPPLEWOOD RESORT WS | BIG SUR, CA | 220 | 10 | — |
| LOWER BUCKS LAKE LDS CAMP | RENO, CA | 220 | 0 | — |
| THE OAKS VENTURE, LLC | SAN DIEGO, CA | 220 | 9 | — |
| ZINC HOUSE FARM WINERY | ESCALON, CA | 220 | 0 | — |
| HAPPY ACRES MWC | GILROY, CA | 220 | 21 | — |
| E HEADSTART | YUBA CITY, CA | 220 | 7 | — |
| WAUKENA ELEMENTARY SCHOOL | TULARE, CA | 220 | 252 | — |
| PLEASANT VIEW WEST SCHOOL | PORTERVILLE, CA | 220 | 27 | — |
| COLUMBINE SCHOOL | DELANO, CA | 220 | 10 | — |
| LACTALIS HERITAGE DAIRY | TULARE, CA | 220 | 26 | — |
| LOS GATOS TOMATO PRODUCTS | HURON, CA | 219 | 110 | — |
| FC TRACY HOLDINGS, LLC | TRACY, CA | 219 | 0 | — |
| SUGAR PINE RV RESORT | TWAIN HARTE, CA | 219 | 8 | — |
| ARMENIAN CHURCH CAMP | PASADENA, CA | 218 | 8 | — |
| PANAMINT SPRINGS RESORT | RIDGECREST, CA | 218 | 8 | — |
| MERCED RIVER RESORT | SANGER, CA | 218 | 8 | — |
| LAWNDALE MUTUAL WATER COMPANY | KENWOOD, CA | 218 | 16 | — |
| PARADISE SCHOOL | MODESTO, CA | 218 | 10 | — |
| PINE UNION SCHOOL | HOLTVILLE, CA | 217 | 28 | — |
| OLD OAK RANCH | SONORA, CA | 217 | 26 | — |
| COLEVILLE HIGH SCHOOL | BRIDGEPORT, CA | 216 | 22 | — |
| POND-DEROSA OAKS WC | SANTA CRUZ, CA | 216 | 19 | — |
| COYOTE LAKE COUNTY PARK | SAN JOSE, CA | 216 | 28 | — |