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 |
|---|---|---|---|---|
| LOS RIOS RANCHO WATER SYSTEM | CA3600154 | California | Non-Transient Non-Community | 1,046 |
| FALLSVALE SERVICE COMPANY | CA3610021 | California | Community | 1,046 |
| SOUTH WILLOWS INDUSTRIAL PARK | CA1105001 | California | Non-Transient Non-Community | 1,045 |
| CCWD - WEST POINT | CA0510005 | California | Community | 1,043 |
| CAL AM - GOLDSIDE | CA2010014 | California | Community | 1,043 |
| DON PEDRO REC AG:FLEM.MEADOWS | CA5500048 | California | Community | 1,041 |
| DEL MONTE FOODS, INC. PLANT #24 | CA1600249 | California | Non-Transient Non-Community | 1,040 |
| INDIAN CREEK CSD | CA1410005 | California | Community | 1,030 |
| KENWOOD VILLAGE WATER COMPANY (PUC) | CA4910025 | California | Community | 1,029 |
| SJC MICKE GROVE PARK | CA3900511 | California | Non-Transient Non-Community | 1,025 |
| DAOU VINEYARDS, LLC | CA4000825 | California | Non-Transient Non-Community | 1,025 |
| WAL*MART DIST. CTR/ECO RES | CA5200006 | California | Non-Transient Non-Community | 1,023 |
| AVERYDALE MWC | CA1910023 | California | Community | 1,023 |
| LIBERTY PACKING COMPANY LLC | CA2400051 | California | Non-Transient Non-Community | 1,020 |
| PEGGY SUE'S DINER | CA3600513 | California | Transient Non-Community | 1,019 |
| LAKE SOLANO PARK | CA4800651 | California | Transient Non-Community | 1,019 |
| THOUSAND TRAILS SAN BENITO PRESERVE | CA3500505 | California | Community | 1,017 |
| ESCALON GOLF COURSE WS | CA3901231 | California | Transient Non-Community | 1,010 |
| HARRIS RANCH BEEF CO | CA1000526 | California | Non-Transient Non-Community | 1,009 |
| CAILLIER WATER SYSTEM | CA3600062 | California | Non-Transient Non-Community | 1,008 |
| CSP-ANDREW MOLERA STATE RESERVE | CA2710301 | California | Transient Non-Community | 1,005 |
| CA STATE PARKS - D.L. BLISS | CA0910301 | California | Transient Non-Community | 1,005 |
| La Jolla - Third Gate Campground | 090605151 | California | Transient Non-Community | 1,005 |
| RIVER LODGE RESORT | CA3600375 | California | Transient Non-Community | 1,002 |
| SAN ANTONIO LAKE PARK NORTH WS | CA2701183 | California | Transient Non-Community | 1,002 |
| CA STATE PARKS - EMERALD BAY, VIKINGSHOL | CA0910302 | California | Transient Non-Community | 1,002 |
| CA STATE PARKS - GROVER HOT SPRINGS | CA0210300 | California | Transient Non-Community | 1,002 |
| CA STATE PARKS - EMERALD BAY, BOAT CAMPG | CA0910305 | California | Transient Non-Community | 1,001 |
| CALAVERAS PINES | CA0500036 | California | Transient Non-Community | 1,001 |
| RANCHO ROVIRA FUN INC | CA3600706 | California | Transient Non-Community | 1,001 |
| CAL-TRANS WILEY WELL REST STOP | CA3302018 | California | Transient Non-Community | 1,000 |
| SCC DGS-SOUTH COUNTY BLDG | CA4300604 | California | Non-Transient Non-Community | 1,000 |
| ARCO AM PM - PIXLEY | CA5403151 | California | Transient Non-Community | 1,000 |
| Santa Rosa Rancheria | 090600148 | California | Community | 1,000 |
| CALTRANS - GOLD RUN REST STOP | CA3103206 | California | Transient Non-Community | 1,000 |
| RANCHO MARIA GOLF COURSE | CA4200865 | California | Transient Non-Community | 1,000 |
| LA PURISIMA GOLF COURSE | CA4200902 | California | Transient Non-Community | 1,000 |
| SMK CHEVRON | CA3900840 | California | Transient Non-Community | 1,000 |
| LAKESIDE COUNTY PARK | CA1700677 | California | Transient Non-Community | 1,000 |
| LAKE SOLANO PICNIC AREA | CA4800546 | California | Transient Non-Community | 1,000 |
| CALTRANS-TRINIDAD NB | CA1200754 | California | Transient Non-Community | 1,000 |
| HOT AUGUST NIGHTS | CA3901364 | California | Transient Non-Community | 1,000 |
| CAPEVIEW BAR | CA3100112 | California | Transient Non-Community | 1,000 |
| PEACH TREE RANCH - BUSSELL RANCH INC. | CA1502677 | California | Transient Non-Community | 1,000 |
| SJ OAK GROVE REGIONAL PARK | CA3901140 | California | Transient Non-Community | 1,000 |
| BACKSPIN GOLF CENTER | CA3901361 | California | Transient Non-Community | 1,000 |
| BAXTER CAMPGROUND ENTERPRISES | CA3100098 | California | Transient Non-Community | 1,000 |
| PILLAR RIDGE MHP (FORMER EL GRANADA MHP) | CA4110028 | California | Community | 1,000 |
| HORIZON CHRISTIAN FELLOWSHIP | CA3901280 | California | Transient Non-Community | 1,000 |
| JAHANT FOOD N FUEL STOP | CA3901108 | California | Transient Non-Community | 1,000 |