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 |
|---|---|---|---|---|
| SUNDALE MUTUAL WATER COMPANY A, B | CA1900563 | California | Community | 1,050 |
| HIGHWAY 156 WATER SYSTEM #3 | CA2700600 | California | Community | 1,048 |
| LOS RIOS RANCHO WATER SYSTEM | CA3600154 | California | Non-Transient Non-Community | 1,046 |
| MCSWAIN ELEMENTARY SCHOOL | CA2400079 | California | Non-Transient Non-Community | 1,046 |
| FALLSVALE SERVICE COMPANY | CA3610021 | California | Community | 1,046 |
| CALIFORNIA-AMERICAN GEYSERVILLE (PUC) | CA4910024 | 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 |
| 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 |
| STAGECOACH INN | CA3301644 | California | Transient Non-Community | 1,006 |
| CSP-ANDREW MOLERA STATE RESERVE | CA2710301 | California | Transient Non-Community | 1,005 |
| La Jolla - Third Gate Campground | 090605151 | California | Transient Non-Community | 1,005 |
| CA STATE PARKS - D.L. BLISS | CA0910301 | California | Transient Non-Community | 1,005 |
| CA STATE PARKS - GROVER HOT SPRINGS | CA0210300 | California | Transient Non-Community | 1,002 |
| RIVER LODGE RESORT | CA3600375 | California | Transient Non-Community | 1,002 |
| CA STATE PARKS - EMERALD BAY, VIKINGSHOL | CA0910302 | California | Transient Non-Community | 1,002 |
| SAN ANTONIO LAKE PARK NORTH WS | CA2701183 | California | Transient Non-Community | 1,002 |
| CA STATE PARKS - EMERALD BAY, BOAT CAMPG | CA0910305 | California | Transient Non-Community | 1,001 |
| RANCHO ROVIRA FUN INC | CA3600706 | California | Transient Non-Community | 1,001 |
| CALAVERAS PINES | CA0500036 | California | Transient Non-Community | 1,001 |
| CALTRANS - GOLD RUN REST STOP | CA3103206 | California | Transient Non-Community | 1,000 |
| MOUNTAIN EMPIRE HIGH SCHOOL | CA3700117 | California | Non-Transient Non-Community | 1,000 |
| BAGBY RECREATIONAL AREA | CA2200067 | California | Transient Non-Community | 1,000 |
| LOOMIS COMMUNITY PARK | CA3103247 | California | Transient Non-Community | 1,000 |
| MAMMOTH LAKES BASIN | CA2600729 | California | Transient Non-Community | 1,000 |
| PILLAR RIDGE MHP (FORMER EL GRANADA MHP) | CA4110028 | California | Community | 1,000 |
| DOLE BAKERSFIELD, INC. - RANCHO LOMA | CA1502718 | California | Non-Transient Non-Community | 1,000 |
| ANTELOPE VALLEY WATER CO | CA1510037 | California | Community | 1,000 |
| CA STATE PARKS - EMERALD BAY, EAGLE POIN | CA0910303 | California | Transient Non-Community | 1,000 |
| CALTRANS PHILLIP S. RAINE SFTY RSRA SB | CA5401047 | California | Transient Non-Community | 1,000 |
| SUE-MEG SP-STATE PARKS | CA1210319 | California | Transient Non-Community | 1,000 |
| TEAGUE ELEMENTARY SCHOOL | CA1000334 | California | Non-Transient Non-Community | 1,000 |
| MARTINIS BAIT & TACKLE | CA3900767 | California | Transient Non-Community | 1,000 |
| ECHO SUMMIT SKI RESORT | CA0900657 | California | Transient Non-Community | 1,000 |
| GOLFLAND WATER SYSTEM | CA3901237 | California | Transient Non-Community | 1,000 |
| HENNINGSEN LOTUS PARK WATER SYSTEM | CA0900212 | California | Transient Non-Community | 1,000 |