Browse Water Systems
20,002 public water systems in CA.
Public Water Systems Database
Browse 20,002 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 |
|---|---|---|---|---|
| EAST HOOPA VALLEY SYSTEM | 090600140 | California | Community | 1,000 |
| SOUTH SHORE RESORT | CA2800596 | California | Community | 1,000 |
| CAL-TRANS WILEY WELL REST STOP | CA3302018 | California | Transient Non-Community | 1,000 |
| ELKHORN I-5 REST AREA | CA3400131 | California | Transient Non-Community | 1,000 |
| USFS - FRENCH GULCH CAMPGROUND | CA1503205 | California | Transient Non-Community | 1,000 |
| RSM RESORT LLC | CA4200926 | California | Transient Non-Community | 1,000 |
| WASHOE VALLEY PROPERTIES LLC | NV0000700 | California | Transient Non-Community | 1,000 |
| IN-N-OUT BURGER #108 | CA4200921 | California | Transient Non-Community | 1,000 |
| BRADSHAW CHRISTIAN SCHOOL | CA3400391 | California | Non-Transient Non-Community | 1,000 |
| Campo Casino (Golden Acorn Casino) | 090605158 | California | Non-Transient Non-Community | 1,000 |
| STANISLAUS COUNTY | CA5000168 | California | Transient Non-Community | 1,000 |
| CHEVRON USA INC., WEST COYOTE | CA3000797 | California | Non-Transient Non-Community | 1,000 |
| LAKE CACHUMA COUNTY PARK | CA4200911 | California | Transient Non-Community | 1,000 |
| MT BALDY SKI LIFT | CA3600776 | California | Transient Non-Community | 1,000 |
| CAL EXPO | CA3400110 | California | Transient Non-Community | 1,000 |
| BARRETT COVE REC AREA | CA2200035 | California | Transient Non-Community | 1,000 |
| LEGG LAKE COUNTY PARK-WHITTIER NARROWS | CA1900017 | California | Non-Transient Non-Community | 1,000 |
| CALTRANS-TRINIDAD NB | CA1200754 | California | Transient Non-Community | 1,000 |
| LAKE SOLANO PICNIC AREA | CA4800546 | California | Transient Non-Community | 1,000 |
| LAKESIDE COUNTY PARK | CA1700677 | California | Transient Non-Community | 1,000 |
| SMK CHEVRON | CA3900840 | California | Transient Non-Community | 1,000 |
| LA PURISIMA GOLF COURSE | CA4200902 | California | Transient Non-Community | 1,000 |
| RANCHO MARIA GOLF COURSE | CA4200865 | California | Transient Non-Community | 1,000 |
| CALTRANS - GOLD RUN REST STOP | CA3103206 | California | Transient Non-Community | 1,000 |
| Santa Rosa Rancheria | 090600148 | California | Community | 1,000 |
| ARCO AM PM - PIXLEY | CA5403151 | California | Transient Non-Community | 1,000 |
| SCC DGS-SOUTH COUNTY BLDG | CA4300604 | California | Non-Transient Non-Community | 1,000 |
| MAMMOTH LAKES BASIN | CA2600729 | California | Transient Non-Community | 1,000 |
| HENNINGSEN LOTUS PARK WATER SYSTEM | CA0900212 | California | Transient Non-Community | 1,000 |
| VETERANS HOME OF CALIFORNIA | CA2810008 | California | Community | 1,000 |
| THE PUB WATER SYSTEM | CA0900216 | California | Transient Non-Community | 1,000 |
| SAN MATEO HIGH SCHOOL | CA4100518 | California | Non-Transient Non-Community | 1,000 |
| L A COUNTY WATER DISTRICT #21 | CA1900096 | California | Community | 1,000 |
| FREMONT PEAK S.P COLD SPRING | CA3510301 | California | Transient Non-Community | 1,000 |
| OASIS DRINKING WATER | CA3301471 | California | Community | 1,000 |
| STOCKTON BALLROOM | CA3900770 | California | Transient Non-Community | 1,000 |
| GREEN PRADO WATER COMPANY | CA3301159 | California | Community | 1,000 |
| TULARE WESTERN HIGH SCHOOL | CA5400720 | California | Transient Non-Community | 1,000 |
| DEER RIDGE INN | CA0300046 | California | Transient Non-Community | 1,000 |
| DEPARTMENT OF TRANSPORTATION | CA4510900 | California | Transient Non-Community | 1,000 |
| MARTINIS BAIT & TACKLE | CA3900767 | California | Transient Non-Community | 1,000 |
| EASTON AUTHORITY JPA | CA1000221 | California | Non-Transient Non-Community | 1,000 |
| CARMEL VALLEY | CA2701149 | California | Community | 1,000 |
| TIO TOCHO'S | CA1600272 | California | Transient Non-Community | 1,000 |
| HAGGIN OAKS GOLF COURSE (SWS) | CA3400281 | California | Non-Transient Non-Community | 1,000 |
| REEF CITY CAFE | CA1600284 | California | Transient Non-Community | 1,000 |
| BAKER COMMUNITY SERVICES DISTRICT | CA3600022 | California | Community | 1,000 |
| DE ANZA SPRINGS RESORT | CA3702703 | California | Transient Non-Community | 1,000 |
| FRESNO AIR NATIONAL GUARD | CA1000350 | California | Non-Transient Non-Community | 1,000 |
| TEAGUE ELEMENTARY SCHOOL | CA1000334 | California | Non-Transient Non-Community | 1,000 |