Browse Water Systems
20,012 public water systems in CA.
Public Water Systems Database
Browse 20,012 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 |
|---|---|---|---|---|
| GLENNVILLE SHOPPING CENTER | CA1502554 | California | Transient Non-Community | 604 |
| R - HAVEN | CA1502294 | California | Transient Non-Community | 602 |
| CAL AM - DUNNIGAN | CA5700712 | California | Community | 602 |
| GLASS HOUSE CAMARILLO CULTIVATION, LLC | CA5602656 | California | Non-Transient Non-Community | 600 |
| SOUTH SAN BERNARDINO-NORTH | CA3610067 | California | Community | 600 |
| STATE PARKS & REC DEPT | CA4400793 | California | Transient Non-Community | 600 |
| THE OAKS MOBILE HOME PARK | CA0310020 | California | Community | 600 |
| LAKE HEMET MWD-CAMP GROUND | CA3310080 | California | Community | 600 |
| Lytton Rancheria Water System | 090600260 | California | Community | 600 |
| FRENCH CAMP CAMPGROUND | CA2600573 | California | Transient Non-Community | 600 |
| MAGIC SANDS | CA4300743 | California | Community | 600 |
| WALNUT ACRES HOUSING DEVELOPMENT | CA5000024 | California | Community | 600 |
| STAGECOACH TRAILS RV RESORT | CA3702420 | California | Transient Non-Community | 600 |
| EDISON POTATO SHEDS | CA1502072 | California | Transient Non-Community | 600 |
| ST MARIA GORETTI PARISH (SWS) | CA3400467 | California | Transient Non-Community | 600 |
| PRESTON SCHOOL OF INDUSTRY | CA7300315 | California | Community | 600 |
| PLEASANT VALLEY BAPTIST CHURCH | CA0400162 | California | Non-Transient Non-Community | 600 |
| SNOWCREST HEIGHTS IMP ASSOC | CA3600262 | California | Community | 600 |
| CALIF PARKS & RECREATION | CA1200563 | California | Transient Non-Community | 600 |
| DOW CHEMICAL CO | CA0707505 | California | Transient Non-Community | 600 |
| RODEWAY INN | CA3900585 | California | Transient Non-Community | 600 |
| FORT FREMONT MUTUAL WATER COMP | CA3301271 | California | Community | 600 |
| ISADORE COHEN | CA3400257 | California | Transient Non-Community | 600 |
| KNIGHTS LANDING SERVICE DIS | CA5700567 | California | Community | 600 |
| SIERRA HIGHLAND CSD | CA1400007 | California | Community | 600 |
| MESA DUNES MOBILE HOME ESTATES | CA4000650 | California | Community | 600 |
| SOUTH FORK HIGH SCHOOL | CA1200696 | California | Non-Transient Non-Community | 600 |
| SIGNATURE FRUIT (TOMATOES) | CA3900771 | California | Non-Transient Non-Community | 600 |
| LA CASA PARK | CA1600133 | California | Transient Non-Community | 600 |
| INDIO MUNICIPAL GOLF COURSE | CA3301332 | California | Transient Non-Community | 600 |
| PLAINVIEW MUTUAL WTR CO | CA5400642 | California | Community | 600 |
| EXCELSIOR MIDDLE SCHOOL | CA0706029 | California | Non-Transient Non-Community | 600 |
| PRESERVE AT MILLERTON LAKE WATER SYSTEM | CA2010018 | California | Community | 600 |
| DON BABCOCK | CA3901206 | California | Transient Non-Community | 600 |
| MARATHON MARTINEZ WATER SYSTEM | CA0707625 | California | Non-Transient Non-Community | 600 |
| FOUR CORNERS | CA3901195 | California | Transient Non-Community | 600 |
| SWEETWATER STEAKHOUSE & SALOON | CA2000847 | California | Transient Non-Community | 600 |
| GOOSE HILL GUN CLUB | CA0300039 | California | Transient Non-Community | 600 |
| LUTHER MITCHELL | CA3000569 | California | Community | 600 |
| MONTEREY ACRES MUTUAL W/C | CA1900535 | California | Transient Non-Community | 600 |
| GRAND ISLAND MANSION | CA3400455 | California | Transient Non-Community | 600 |
| CEDARVILLE COUNTY WATER DIST. | CA2510002 | California | Community | 600 |
| LARRY G PRESTON MGR | CA4500207 | California | Community | 600 |
| LAKE CUYAMACA PARK & REC. | CA3700865 | California | Transient Non-Community | 600 |
| MIDWAY COMMUNITY SERVICES DIST | CA2410015 | California | Community | 600 |
| VALLEY SPRING PUBLIC UTILITY D | CA0500080 | California | Community | 600 |
| EL MONTE SCHOOL | CA5400606 | California | Transient Non-Community | 600 |
| PRESTON SCHOOL OF INDUSTRY | CA0000315 | California | Community | 600 |
| SAN FRANCISCO REGIONAL WATER SYSTEM | CA3810001 | California | Community | 600 |
| CALTRANS-GRASS LAKE REST STOP | CA4700558 | California | Transient Non-Community | 600 |