Public Water Systems
7,249 active water systems in CA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| 33RD DISTRICT AGRICULTURAL ASSOCIATION | TRES PINOS, CA | 9,000 | 24 | — |
| CLEAR CREEK CSD-ANDERSON | ANDERSON, CA | 8,900 | 7 | Clean |
| GUADALUPE WATER DEPARTMENT | GUADALUPE, CA | 8,897 | 17 | Detected |
| CAL AM - WEST PLACER | SACRAMENTO, CA | 8,861 | 0 | Clean |
| AWA BUCKHORN PLANT | SUTTER CREEK, CA | 8,791 | 13 | Clean |
| CITY OF WATERFORD | WATERFORD, CA | 8,788 | 7 | Clean |
| NEEDLES, CITY OF | NEEDLES, CA | 8,766 | 17 | Detected |
| TRACT 349 MUTUAL WATER CO. | CUDAHY, CA | 8,700 | 14 | Detected |
| NAVAL BASE VENTURA COUNTY, PORT HUENEME | POINT MUGU, CA | 8,625 | 14 | — |
| GONZALES, CITY OF | GONZALES, CA | 8,327 | 24 | Detected |
| OROSI PUBLIC UTILITY DISTRICT | OROSI, CA | 8,300 | 19 | Clean |
| CITY OF ORLAND | ORLAND, CA | 8,298 | 17 | Detected |
| CITY OF CORNING | CORNING, CA | 8,244 | 31 | Detected |
| LA PUENTE VALLEY CWD | LA PUENTE, CA | 8,243 | 1 | Clean |
| MAMMOTH CWD | MAMMOTH LAKES, CA | 8,234 | 13 | Detected |
| IMPERIAL VALLEY COLLEGE | IMPERIAL, CA | 8,150 | 33 | Detected |
| GSWC - HOLLYDALE | ANAHEIM, CA | 8,099 | 2 | Detected |
| FIREBAUGH CITY | FIREBAUGH, CA | 8,096 | 25 | Detected |
| PISMO BEACH WATER DEPARTMENT | PISMO BEACH, CA | 8,036 | 13 | Detected |
| TEMPLETON CSD | TEMPLETON, CA | 8,011 | 4 | Detected |
| GRAY LODGE CHECK STATION | GRIDLEY, CA | 8,000 | 2 | — |
| CALIFORNIA-AMERICAN LARKFIELD (PUC) | SACRAMENTO, CA | 7,913 | 6 | Detected |
| KIRKWOOD MEADOWS PUBLIC UTILITY DISTRICT | KIRKWOOD, CA | 7,851 | 3 | Detected |
| WOODLAKE, CITY OF | WOODLAKE, CA | 7,846 | 41 | Clean |
| FLORIN COUNTY WATER DISTRICT | SACRAMENTO, CA | 7,831 | 45 | Detected |
| YREKA, CITY OF | YREKA, CA | 7,825 | 5 | Clean |
| CITY OF SUSANVILLE | SUSANVILLE, CA | 7,811 | 11 | Detected |
| DELHI CWD | DELHI, CA | 7,784 | 34 | Detected |
| VALENCIA HEIGHTS WATER CO. | WEST COVINA, CA | 7,775 | 12 | Detected |
| HIGHLANDS MUTUAL WATER COMPANY | CLEARLAKE, CA | 7,772 | 23 | Detected |
| MAMMOTH MOUNTAIN SKI AREA - OUTPOST 14 | MAMMOTH LAKES, CA | 7,736 | 31 | Detected |
| WESTERN HEIGHTS WATER COMPANY | YUCAIPA, CA | 7,705 | 6 | Clean |
| EARLIMART PUD | EARLIMART, CA | 7,679 | 35 | Clean |
| OCEANO COMM SERVICES DIST. | OCEANO, CA | 7,601 | 23 | Clean |
| SEBASTOPOL, CITY OF | SEBASTOPOL, CA | 7,522 | 19 | Detected |
| CASTROVILLE COMMUNITY SERVICES DISTRICT | CASTROVILLE, CA | 7,515 | 13 | Detected |
| FOLSOM STATE PRISON | REPRESA, CA | 7,502 | 4 | Detected |
| CALTRANS-WILLOWS RESTSTOP-NB | WILLOWS, CA | 7,500 | 12 | — |
| CALTRANS-WILLOWS RESTSTOP-SB | WILLOWS, CA | 7,500 | 13 | — |
| HUGHSON, CITY OF | HUGHSON, CA | 7,481 | 87 | Clean |
| CITY OF DOS PALOS | DOS PALOS, CA | 7,452 | 57 | Clean |
| CITY OF FOWLER | FOWLER, CA | 7,448 | 21 | Detected |
| ESCALON, CITY OF | ESCALON, CA | 7,429 | 35 | Clean |
| TRUMBULL LAKE CAMPGROUND | SPARKS, CA | 7,423 | 28 | — |
| GSWC - CALIPATRIA | SAN DIMAS, CA | 7,363 | 6 | Detected |
| SAN GABRIEL VALLEY WATER CO-MONTEBELLO 2 | EL MONTE, CA | 7,330 | 9 | Detected |
| VANDENBERG VILLAGE COMM. SERV. DIST. | LOMPOC, CA | 7,308 | 2 | Detected |
| COTATI, CITY OF | COTATI, CA | 7,303 | 3 | Detected |
| CITY OF GRIDLEY | GRIDLEY, CA | 7,269 | 11 | Detected |
| CAL-WATER SERVICE CO.-WILLOWS | SAN JOSE, CA | 7,240 | 3 | Detected |