Browse Water Systems
19,626 public water systems in CA.
Public Water Systems Database
Browse 19,626 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| ANGELES SHOOTING RANGES | CA1900761 | California | Transient Non-Community | 505 |
| MOUNTAIN MEADOWS MWC | CA2600620 | California | Community | 505 |
| CAPITOL STATE PARKS | CA2110309 | California | Transient Non-Community | 504 |
| KRISTA MUTUAL WATER COMPANY | CA1500475 | California | Community | 504 |
| CSP - MT TAM THEATRE WELL | CA2110301 | California | Transient Non-Community | 504 |
| WHITE LOTUS | CA4200949 | California | Transient Non-Community | 503 |
| GREENGATE RANCH & VINEYARDS | CA4000833 | California | Transient Non-Community | 503 |
| CSP-STANDISH HICKEY STATE REC AREA | CA2310310 | California | Transient Non-Community | 503 |
| WHITEWATER PRESERVE | CA3301750 | California | Transient Non-Community | 503 |
| CSP - TOMALES BAY ST PARK | CA2110303 | California | Transient Non-Community | 503 |
| CSP-WRIGHTS BEACH STATE PARK | CA4910308 | California | Transient Non-Community | 502 |
| PLASKETT CREEK CAMPGROUNDS WS | CA2702562 | California | Transient Non-Community | 501 |
| OAKWOOD LAKE RESORT | CA3900881 | California | Community | 501 |
| PEARLAND ACRES MHP | TX0200353 | California | Community | 501 |
| SCC P&R, ED LEVIN PARK | CA4300745 | California | Transient Non-Community | 500 |
| FRESNO CITY PARKS & RECREATION | CA1000340 | California | Transient Non-Community | 500 |
| NORTHRIDGE COUNTRY CLUB | CA3400285 | California | Transient Non-Community | 500 |
| COARSEGOLD MINI MART/C&B | CA2000809 | California | Transient Non-Community | 500 |
| DIAZ LAKE CAMPGROUND | CA1400049 | California | Transient Non-Community | 500 |
| MILLPOND RECREATION AREA | CA1400047 | California | Transient Non-Community | 500 |
| KINGS RIVER ELEMENTARY SCHOOL | CA5400624 | California | Non-Transient Non-Community | 500 |
| TULARE CO CORRECTIONAL CENTER ROAD CAMP | CA5400797 | California | Non-Transient Non-Community | 500 |
| WILLOWS HIGH SCHOOL | CA1100256 | California | Transient Non-Community | 500 |
| TURLOCK LAKE STATE PARK | CA5000212 | California | Transient Non-Community | 500 |
| PLACERCOUNTY WATER AGENCY | CA3110205 | California | Community | 500 |
| THE ANDERSON | CA4000875 | California | Transient Non-Community | 500 |
| GILROY FOODS, GILROY WEST PLANT | CA4300627 | California | Non-Transient Non-Community | 500 |
| TORO CANYON PARK | CA4200679 | California | Transient Non-Community | 500 |
| PLACER COUNTY WATER AGENCY | CA3110105 | California | Community | 500 |
| MAPLE WATER COMPANY | CA1900996 | California | Community | 500 |
| WESTSIDE & CHERRY VALLEY RAILW | CA5500169 | California | Transient Non-Community | 500 |
| LINCOLN ELEMENTARY SCHOOL | CA5100147 | California | Transient Non-Community | 500 |
| LINDCREST ELEMENTARY SCHOOL | CA5100148 | California | Transient Non-Community | 500 |
| IRVINE REGIONAL PARK | CA3000770 | California | Transient Non-Community | 500 |
| SUTTER MEDICAL CENTER OF SANTA ROSA | CA4900836 | California | Non-Transient Non-Community | 500 |
| SANTA ROSA MEMORIAL HOSPITAL | CA4900839 | California | Transient Non-Community | 500 |
| LANCASTER NATIONAL SOCCER CENTER | CA1909645 | California | Transient Non-Community | 500 |
| STANISLAUS CO ADMIN - COUNTY CENTER III | CA5000162 | California | Transient Non-Community | 500 |
| LAKE ISABELLA COMMUNITY SERVICES DIST | CA1503270 | California | Community | 500 |
| LAWSONS LANDING | CA2100526 | California | Community | 500 |
| STANISLAUS COUNTY COURTHOUSE | CA5000161 | California | Transient Non-Community | 500 |
| WRIGHT ELEMENTARY SCHOOL | CA4900694 | California | Non-Transient Non-Community | 500 |
| MC CLURE POINT REC AREA | CA2200063 | California | Transient Non-Community | 500 |
| FREMONT MEDICAL CENTER | CA5100178 | California | Transient Non-Community | 500 |
| BURGER KING-WHITE CITY | OR4194889 | California | Transient Non-Community | 500 |
| ST JOSEPH'S CHURCH | CA5700528 | California | Transient Non-Community | 500 |
| KINGDOM HALL (FALLON RD) | CA3500916 | California | Transient Non-Community | 500 |
| ODD FELLOWS PARK | CA4900752 | California | Community | 500 |
| WILLIAMS MIGRANT CAMP | CA0600014 | California | Non-Transient Non-Community | 500 |
| ELK'S CLUB | CA5000373 | California | Transient Non-Community | 500 |