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 |
|---|---|---|---|---|
| SOUTH FORK HIGH SCHOOL | CA1200696 | California | Non-Transient Non-Community | 600 |
| EL MONTE SCHOOL | CA5400606 | California | Transient Non-Community | 600 |
| EDISON POTATO SHEDS | CA1502072 | California | Transient Non-Community | 600 |
| SYLVAN SCHOOL | CA5000181 | California | Transient Non-Community | 600 |
| SNOWCREST HEIGHTS IMP ASSOC | CA3600262 | California | Community | 600 |
| CARVER TRACT MUTUAL WATER COMP | CA3301107 | California | Community | 600 |
| MUSD-NEW HAVEN SCHOOL | CA3901163 | California | Non-Transient Non-Community | 600 |
| MONTEREY ACRES MUTUAL W/C | CA1900535 | California | Transient Non-Community | 600 |
| LARRY G PRESTON MGR | CA4500207 | California | Community | 600 |
| Ontario Christian School | CA3600188 | California | Non-Transient Non-Community | 600 |
| MIDWAY COMMUNITY SERVICES DIST | CA2410015 | California | Community | 600 |
| PLEASANT VALLEY BAPTIST CHURCH | CA0400162 | California | Non-Transient Non-Community | 600 |
| WALNUT ACRES HOUSING DEVELOPMENT | CA5000024 | California | Community | 600 |
| SIERRA HIGHLAND CSD | CA1400007 | California | Community | 600 |
| RANCHO SESPE WORKERS IMP ASSOC | CA5601144 | California | Community | 600 |
| PLAINVIEW MUTUAL WTR CO | CA5400642 | California | Community | 600 |
| FEATHER RIVER COMMUNITY COLLEGE | CA3200111 | California | Non-Transient Non-Community | 600 |
| GAYLORD CONTAINER COMPANY | CA0707522 | California | Transient Non-Community | 600 |
| SOUTH SAN BERNARDINO-NORTH | CA3610067 | California | Community | 600 |
| FRENCH CAMP CAMPGROUND | CA2600573 | California | Transient Non-Community | 600 |
| COLLEGE OF SISKIYOU | CA4700547 | California | Non-Transient Non-Community | 600 |
| SWEETWATER STEAKHOUSE & SALOON | CA2000847 | California | Transient Non-Community | 600 |
| STAGECOACH TRAILS RV RESORT | CA3702420 | California | Transient Non-Community | 600 |
| CEDARVILLE COUNTY WATER DIST. | CA2510002 | California | Community | 600 |
| PRESTON SCHOOL OF INDUSTRY | CA7300315 | California | Community | 600 |
| VALLEY SPRING PUBLIC UTILITY D | CA0500080 | California | Community | 600 |
| WAINWRIGHT RETREAT | CA0500086 | California | Transient Non-Community | 600 |
| EXCELSIOR MIDDLE SCHOOL | CA0706029 | California | Non-Transient Non-Community | 600 |
| THE OAKS MOBILE HOME PARK | CA0310020 | California | Community | 600 |
| LAKE CUYAMACA PARK & REC. | CA3700865 | California | Transient Non-Community | 600 |
| LAKE HEMET MWD-CAMP GROUND | CA3310080 | California | Community | 600 |
| INDIO MUNICIPAL GOLF COURSE | CA3301332 | California | Transient Non-Community | 600 |
| CALIF PARKS & RECREATION | CA1200563 | California | Transient Non-Community | 600 |
| LA CASA PARK | CA1600133 | California | Transient Non-Community | 600 |
| KNIGHTS LANDING SERVICE DIS | CA5700567 | California | Community | 600 |
| FOUR CORNERS | CA3901195 | California | Transient Non-Community | 600 |
| VALLEY SPRINGS PUBLIC UTILITY | CA0502000 | California | Community | 600 |
| MARATHON MARTINEZ WATER SYSTEM | CA0707625 | California | Non-Transient Non-Community | 600 |
| DOW CHEMICAL CO | CA0707505 | California | Transient Non-Community | 600 |
| GRAND ISLAND MANSION | CA3400455 | California | Transient Non-Community | 600 |
| STATE PARKS & REC DEPT | CA4400793 | California | Transient Non-Community | 600 |
| PRESERVE AT MILLERTON LAKE WATER SYSTEM | CA2010018 | California | Community | 600 |
| COUNTRY LIFE MH & RV PARK | CA1300550 | California | Community | 600 |
| SAN FRANCISCO REGIONAL WATER SYSTEM | CA3810001 | California | Community | 600 |
| ST MARIA GORETTI PARISH (SWS) | CA3400467 | California | Transient Non-Community | 600 |
| SIGNATURE FRUIT (TOMATOES) | CA3900771 | California | Non-Transient Non-Community | 600 |
| TURTLE LAKE | MI1320321 | California | Transient Non-Community | 600 |
| RODEWAY INN | CA3900585 | California | Transient Non-Community | 600 |
| CALTRANS-GRASS LAKE REST STOP | CA4700558 | California | Transient Non-Community | 600 |
| SAN JOAQUIN RIVER CLUB INC | CA3910018 | California | Community | 600 |