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 |
|---|---|---|---|---|
| EUSD-VAN ALLEN SCHOOL | ESCALON, CA | 200 | 11 | — |
| NORMANS NURSERY | LINDEN, CA | 200 | 16 | — |
| SYCAMORE MINERAL SPRINGS RESORT | SAN LUIS OBISPO, CA | 200 | 10 | — |
| STRASBAUGH, INC | SAN LUIS OBISPO, CA | 200 | 6 | — |
| OCTAGON BARN CENTER ASSOCIATION | SAN LUIS OBISPO, CA | 200 | 0 | — |
| JACK READY IMAGINATION PARK | SAN LUIS OBISPO, CA | 200 | 0 | — |
| HEARST MONUMENT STATE PARK | SAN SIMEON, CA | 200 | 9 | — |
| LAS POSITAS MUTUAL WATER COMPANY | SANTA BARBARA, CA | 200 | 68 | — |
| MAJESTIC TOWNSGATE WATER SYSTEM | AGOURA HILLS, CA | 200 | 150 | — |
| IMERYS FILTRATION MINERALS, INC | LOMPOC, CA | 200 | 18 | — |
| RANCHO SAN ANDREAS | WATSONVILLE, CA | 200 | 22 | — |
| TREASURE MOUNTAIN CAMP | RENO, CA | 200 | 8 | — |
| SIERRAVILLE P.U.D. | SIERRAVILLE, CA | 200 | 28 | — |
| TNF-CAL-IDA WELL | NEVADA CITY, CA | 200 | 21 | — |
| CALTRANS-DUNSMUIR GRADE INSP. FACILITY | REDDING, CA | 200 | 7 | — |
| KIDDER CREEK ORCHARD CAMP | GREENVIEW, CA | 200 | 3 | — |
| RANDAL'S RANCHETTE MUTUAL WATER COMPANY | SANTA ROSA, CA | 200 | 22 | — |
| YULUPA MUTUAL WATER COMPANY | SANTA ROSA, CA | 200 | 9 | — |
| ALEXANDER VALLEY UNION SCHOOL DISTRICT | HEALDSBURG, CA | 200 | 9 | — |
| GEYSERVILLE NEWTECH ACADEMY SCHOOL | GEYSERVILLE, CA | 200 | 49 | — |
| EL PORTAL MOBILE ESTATES | SANTA ROSA, CA | 200 | 47 | — |
| PRESENTATION SCHOOL | SONOMA, CA | 200 | 13 | — |
| JOHNSON'S BEACH RESORT | GUERNEVILLE, CA | 200 | 12 | — |
| SONOMA WAREHOUSING | SONOMA, CA | 200 | 11 | — |
| VIANSA WINERY | SONOMA, CA | 200 | 14 | — |
| THE MORNING STAR COMPANY | NEWMAN, CA | 200 | 25 | — |
| LEGACY BAPTIST CHURCH | YUBA CITY, CA | 200 | 65 | — |
| LAKE CALIFORNIA POA R.V. PARK | COTTONWOOD, CA | 200 | 4 | — |
| USACE-KAWEAH RECREATION AREA | LEMON COVE, CA | 200 | 10 | — |
| FAR HORIZONS CAMP | FRESNO, CA | 200 | 52 | — |
| IMPROVEMENT DISTRICT NO. 1 | THREE RIVERS, CA | 200 | 112 | — |
| SUCCESS MARKET | PORTERVILLE, CA | 200 | 71 | — |
| KINGS RIVER GOLF COURSE | KINGSBURG, CA | 200 | 20 | — |
| USA PETRO SUPER STOP | KINGSBURG, CA | 200 | 20 | — |
| SUN PACIFIC SHIPPERS LP - EXETER | EXETER, CA | 200 | 172 | — |
| RIVER VIEW RESTAURANT | THREE RIVERS, CA | 200 | 77 | — |
| THE BARN | EXETER, CA | 200 | 88 | — |
| GRIFFIN FOOD AND GAS | VISALIA, CA | 200 | 52 | — |
| EXETER KINGDOM HALL | EXETER, CA | 200 | 10 | — |
| RUSH CREEK LODGE WATER SYSTEM | TIBURON, CA | 200 | 12 | — |
| AMERICAS BEST VALUE INN | SAN JOSE, CA | 200 | 20 | — |
| MIGRANT HEAD START PROGRAM - WATER | YUBA CITY, CA | 200 | 48 | — |
| UNITED TRAVEL PLAZA | ORANGE, CA | 200 | 45 | — |
| THE MAPLES | WOODLAND, CA | 200 | 6 | — |
| JEHOVAH'S WITNESSES - SOUTHPORT | WEST SACRAMENTO, CA | 200 | 2 | — |
| LOMA RICA WATER COMPANY | BEDFORD, CA | 200 | 28 | — |
| RIVER HIGHLANDS CSD | MARYSVILLE, CA | 200 | 9 | — |
| CASTLEWOOD MOBILE HOME PARK | MARYSVILLE, CA | 200 | 10 | — |
| YOUNGLIFE WOODLEAF | CHALLENGE, CA | 200 | 6 | — |
| GRIZZLY ROCK CAFE | MODESTO, CA | 199 | 7 | — |