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 |
|---|---|---|---|---|
| EL CAMINO WC INC | SALINAS, CA | 133 | 230 | — |
| CANYON CREST MUTUAL BENEFIT WC | ARROYO GRANDE, CA | 133 | 2 | — |
| SIERRA PACIFIC INDUSTRIES | CHINESE CAMP, CA | 133 | 6 | — |
| ROBBS RESORT | ROSEVILLE, CA | 132 | 6 | — |
| FCSA 10 - CUMORAH KNOLLS | FRESNO, CA | 132 | 3 | — |
| CARTAGO MUTUAL WATER COMPANY | BISHOP, CA | 132 | 13 | — |
| TEJON RANCH MAIN HEADQUARTERS | LEBEC, CA | 132 | 20 | — |
| KERN VALLEY MUTUAL WATER COMPANY | LAKE ISABELLA, CA | 132 | 39 | — |
| ASHFORD HIGHLANDS MWC | HOLLISTER, CA | 132 | 23 | — |
| EDNA VALLEY RANCH EAST | ARROYO GRANDE, CA | 132 | 16 | — |
| CHRISTMAS COVE | PASO ROBLES, CA | 132 | 0 | — |
| SID - QUAIL CANYON | VACAVILLE, CA | 132 | 0 | — |
| OLIVAREZ HONEY BEES | ORLAND, CA | 131 | 3 | — |
| CLEAR SKIES MOBILE HOME PARK | TUSTIN, CA | 131 | 15 | — |
| PALOMAR MTN. SP - DOANE VALLEY | BORREGO SPRINGS, CA | 131 | 12 | — |
| COUNTRY SQUIRE MOBILE ESTATES & WATER SY | OAKDALE, CA | 131 | 35 | — |
| CASSEL PARK MUTUAL WATER CO | CASSEL, CA | 131 | 10 | — |
| SHAFFER S HIGH SIERRA CAMP | CHICO, CA | 131 | 25 | — |
| MOUNTAIN VALLEY APTS & RVP | RED BLUFF, CA | 131 | 10 | — |
| TREASURE CREEK WOODS MWC | LEWISTON, CA | 131 | 10 | — |
| G & J PROPERTIES | CHICO, CA | 130 | 14 | — |
| USDA AGRICULTURAL RESEARCH SERVICE | PARLIER, CA | 130 | 13 | — |
| FISH LAKE CG - SRNF | EUREKA, CA | 130 | 3 | — |
| TRINIDAD EXTENDED STAY RV | SACRAMENTO, CA | 130 | 21 | — |
| RIO BEND RV GOLF RESORT & STORM CROSSING | EL CENTRO, CA | 130 | 16 | — |
| SUNVIEW COLD STORAGE WATER SYSTEM | DELANO, CA | 130 | 15 | — |
| WILDLAND TRAINING CENTER | BAKERSFIELD, CA | 130 | 12 | — |
| OLD RIVER MUTUAL WATER COMPANY | CLOVIS, CA | 130 | 66 | — |
| QUAIL CANYON SEA | LANCASTER, CA | 130 | 10 | — |
| YOSEMITE TERRACE ESTATES | GREELEY HILL, CA | 130 | 20 | — |
| MINTURN NUT CO., INC. | LE GRAND, CA | 130 | 6 | — |
| GRANT LAKE MARINA | JUNE LAKE, CA | 130 | 17 | — |
| ARROYO CENTER WC | GREENFIELD, CA | 130 | 61 | — |
| SYAR INDUSTRIES | NAPA, CA | 130 | 18 | — |
| MOBILE VILLAS TRAILER PARK | STOCKTON, CA | 130 | 11 | — |
| SAN LORENZO SEMINARY | SANTA YMEZ, CA | 130 | 10 | — |
| JARDINES DEL VALLE | WATSONVILLE, CA | 130 | 12 | — |
| ANDREINI BUSINESS PARK WATER SYSTEM | REDDING, CA | 130 | 7 | — |
| ROSELAND MOBILE HOME PARK | SAN JUAN CAPISTRANO, CA | 130 | 9 | — |
| TRIPLE S RANCH | SAUSALITO, CA | 130 | 4 | — |
| CSP-JACK LONDON STATE HISTORIC PARK | PETALUMA, CA | 130 | 0 | — |
| RIVER OAKS GOLF CLUB | NICOLAUS, CA | 130 | 8 | — |
| CAL FIRE - SALT CREEK CONSERVATION CAMP | PAYNES CREEK, CA | 130 | 6 | — |
| SALYER HEIGHTS W.S., INC | SALYER, CA | 130 | 36 | — |
| ST ANTHONY RETREAT CENTER | THREE RIVERS, CA | 130 | 36 | — |
| VENTURA COASTAL, LLC - TIPTON DIVISION | TIPTON, CA | 130 | 35 | — |
| TEEN CHALLENGE | REEDLEY, CA | 130 | 2 | — |
| EVERGREEN LODGE | TIBURON, CA | 130 | 22 | — |
| NORCAL ADVENTURE AREA | SACRAMENTO, CA | 130 | 2 | — |
| FCWWD 37/MILE HIGH | FRESNO, CA | 129 | 6 | — |