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 |
|---|---|---|---|---|
| HUMBOLDT HIGHLANDS MUTUAL | CA0400123 | California | Community | 58 |
| RANCHO CHAPARRAL MWC | CA2701278 | California | Community | 58 |
| UKONOM RANGER STATION | CA4700712 | California | Community | 58 |
| TIERRA MEADOWS HOA WS | CA2701367 | California | Community | 58 |
| PARADISE VALLEY CAFE | CA3303077 | California | Transient Non-Community | 58 |
| LOS RANCHOS DE UVAS WATER COMPANY | CA4300637 | California | Community | 58 |
| QUEEN'S INN BY THE RIVER | CA2000568 | California | Transient Non-Community | 58 |
| LA HACIENDA DEL TORO | CA4900817 | California | Transient Non-Community | 58 |
| DOMINICKS #77 WATER VENDING | IL3128041 | California | Transient Non-Community | 57 |
| GRASSY FLAT CAMPGROUND | CA0800666 | California | Transient Non-Community | 57 |
| EBRPD MORGAN TERRITORY | CA0707900 | California | Transient Non-Community | 57 |
| THE WILLOWS RESORT | CA4400850 | California | Community | 57 |
| TUTTLE CREEK CAMPGROUND | CA1400531 | California | Transient Non-Community | 57 |
| INDUSTRY WEST | CA4900835 | California | Transient Non-Community | 57 |
| DOBBINS WATER SYSTEM | CA5800504 | California | Community | 57 |
| THE PAINTED TURTLE CAMP | CA1900074 | California | Community | 57 |
| BRICOLEUR VINEYARDS | CA4901468 | California | Transient Non-Community | 57 |
| FOG CREST WINERY | CA4901340 | California | Transient Non-Community | 57 |
| SIERRA SIX MOTEL | CA3301620 | California | Transient Non-Community | 57 |
| 7180 HWY 116 LLC | CA4901394 | California | Transient Non-Community | 57 |
| WILDYVIE LODGE | CA2600618 | California | Transient Non-Community | 57 |
| LAWLER | CA1200524 | California | Community | 57 |
| HEAVENLY VALLEY | CA0900588 | California | Transient Non-Community | 57 |
| SAN JOAQUIN COUNTY SCHOOLS | CA3901118 | California | Transient Non-Community | 57 |
| TOYOTA SAN LUIS OBISPO | CA4000213 | California | Non-Transient Non-Community | 57 |
| RIVERDALE PARK | CA1200746 | California | Transient Non-Community | 57 |
| WILBUR-ELLIS COMPANY | CA1000382 | California | Non-Transient Non-Community | 57 |
| SOUTHFORD MOBILE HOME PARK | TX1020066 | California | Community | 57 |
| ELK CREEK MOBILE HOME PARK | CA2300751 | California | Community | 57 |
| CAHUILLA MOUNTAIN MARKET & CAFE | CA3302060 | California | Transient Non-Community | 57 |
| CAMP ST FRANCIS | CA4400710 | California | Transient Non-Community | 57 |
| USFS-TOIYABE, CHAS NAPES BLDG | CA2610401 | California | Transient Non-Community | 57 |
| WOODLAND HEIGHTS MWC | CA2702439 | California | Community | 57 |
| EKTIMO VINEYARDS | CA4901404 | California | Transient Non-Community | 57 |
| BOOKER WINERY | CA4000846 | California | Non-Transient Non-Community | 56 |
| USFS/TRIMMER WORK CENTER | CA1000136 | California | Non-Transient Non-Community | 56 |
| MIDFIELD MUTUAL WATER COMPANY | CA1200816 | California | Community | 56 |
| BARCELONA APARTMENTS | FL2161337 | California | Community | 56 |
| SPRINGBROOK MH S/D | NC0118294 | California | Community | 56 |
| GREEN ACRES WA | CA2701647 | California | Community | 56 |
| MONTEZUMA SCHOOL | CA4800509 | California | Transient Non-Community | 56 |
| Berkeley Farms Dairy | CA2400213 | California | Community | 56 |
| MCCARTHY FARMS | CA1502355 | California | Transient Non-Community | 56 |
| SAWMILL PIZZA | CA0500008 | California | Transient Non-Community | 56 |
| HART FLAT BEAR MUTUAL WATER | CA1500556 | California | Community | 56 |
| CENTRAL WEST ARTS CENTER | CA1000207 | California | Non-Transient Non-Community | 56 |
| BELK FARMS | CA3301182 | California | Transient Non-Community | 56 |
| RONALD N NUNES | CA2700805 | California | Community | 56 |
| FULTON WATER COMPANY | CA3110215 | California | Community | 56 |
| WINTERHAVEN MOBILE ESTATES | CA1900961 | California | Community | 56 |