Public Water Systems
7,249 active water systems in CA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| GRAND ISLAND MANSION | WALNUT GROVE, CA | 600 | 4 | — |
| ST MARIA GORETTI PARISH (SWS) | ELK GROVE, CA | 600 | 1 | — |
| SNOWCREST HEIGHTS IMP ASSOC | MOUNT BALDY, CA | 600 | 6 | — |
| STAGECOACH TRAILS RV RESORT | JULIAN, CA | 600 | 33 | — |
| SAN FRANCISCO REGIONAL WATER SYSTEM | BURLINGAME, CA | 600 | 16 | Clean |
| RODEWAY INN | STOCKTON, CA | 600 | 7 | — |
| SAN JOAQUIN RIVER CLUB INC | TRACY, CA | 600 | 13 | Detected |
| MESA DUNES MOBILE HOME ESTATES | ARROYO GRANDE, CA | 600 | 15 | — |
| CALTRANS-GRASS LAKE REST STOP | REDDING, CA | 600 | 1 | — |
| RANCHO SESPE WORKERS IMP ASSOC | VENTURA, CA | 600 | 16 | — |
| GLASS HOUSE CAMARILLO CULTIVATION, LLC | CAMARILLO, CA | 600 | 12 | — |
| MADISON ELEMENTARY SCHOOL | FRESNO, CA | 597 | 13 | — |
| WATERFORD - HICKMAN | WATERFORD, CA | 597 | 4 | — |
| WHISKEYTOWN NRA-HEADQUARTERS | WHISKEYTOWN, CA | 594 | 6 | — |
| DWR-MONUMENT HILL RESTROOMS | OROVILLE, CA | 593 | 2 | — |
| S & T MUTUAL WATER COMPANY | LOS OSOS, CA | 591 | 3 | — |
| BONITA SCHOOL | SANTA MARIA, CA | 589 | 10 | — |
| GOLDEN STATE WATER CO - LUCERNE | APPLE VALLEY, CA | 586 | 4 | — |
| CSP-PFEIFFER BIG SUR | MONTEREY, CA | 585 | 14 | — |
| CARMEL RIVIERA MWC | CARMEL, CA | 584 | 58 | — |
| STINSON BEACH COUNTY WTR DIST | STINSON BEACH, CA | 583 | 7 | — |
| COSTANOA CAMPGROUND | PESCADERO, CA | 583 | 19 | — |
| ROOSEVELT ELEMENTARY SCHOOL | FRESNO, CA | 580 | 17 | — |
| HMC GROUP COLD STORAGE | KINGSBURG, CA | 580 | 17 | — |
| MENDOCINO SCHOOL DISTRICT- MENDOCINO | MENDOCINO, CA | 579 | 9 | — |
| ECHO VALLEY SCHOOL WS | SALINAS, CA | 579 | 81 | — |
| MOUNT LAGUNA IMPROVEMENT ASSN. | MT LAGUNA, CA | 578 | 17 | — |
| SEVENTH DAY ADVENTIST CAMP | SOQUEL, CA | 578 | 12 | — |
| OAK GLEN RETREAT | YORBA LINDA, CA | 576 | 6 | — |
| USFS/VERMILLION CAMPGROUND | CLOVIS, CA | 575 | 41 | — |
| SAN ARDO WD | SAN ARDO, CA | 575 | 27 | — |
| RIVER PINES PUD | RIVER PINES, CA | 574 | 14 | — |
| BEAR RIVER LAKE RESORT | PIONEER, CA | 571 | 22 | — |
| OAK VALLEY SCHOOL | TULARE, CA | 570 | 102 | — |
| MD 33 FAIRMEAD | MADERA, CA | 568 | 13 | — |
| PLANADA ELEMENTARYSCHOOL | PLANADA, CA | 567 | 4 | — |
| BANNING HTS. MUTUAL WATER CO. | BANNING, CA | 567 | 46 | — |
| GLEN EDEN SUN CLUB | CORONA, CA | 566 | 42 | — |
| JUVENILE JUSTICE CAMPUS | FRESNO, CA | 565 | 4 | — |
| LAKE FOREST MUTUAL W.C. | SUSANVILLE, CA | 565 | 22 | — |
| CSP-BOTHE-NAPA VALLEY STATE PARK | NAPA, CA | 565 | 4 | — |
| APPLE MARKET TWO | THERMAL, CA | 561 | 37 | — |
| JACUMBA COMMUNITY SD | JACUMBA, CA | 561 | 14 | — |
| DOLPHIN ISLE MARINA | FORT BRAGG, CA | 560 | 12 | — |
| COSUMNES RIVER ELEMENTARY SCHOOL | SACRAMENTO, CA | 560 | 3 | — |
| NORTH KAWEAH MUTUAL WATER COMPANY | THREE RIVERS, CA | 560 | 98 | — |
| BLYTHE - MESA RANCH | BLYTHE, CA | 558 | 16 | — |
| RANCHO SECO PARK | SACRAMENTO, CA | 558 | 5 | — |
| CENTRAL VALLEY BAPTIST CHURCH WS | MANTECA, CA | 556 | 32 | — |
| MONTEREY MUSHROOMS - MAHER CRT | ROYAL OAKS, CA | 554 | 61 | — |