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 |
|---|---|---|---|---|
| LAKEHEAD SUBD MUTUAL WATER CO | CA4500016 | California | Community | 70 |
| VALLEY VISTA MUTUAL WATER COMPANY | CA1400025 | California | Community | 70 |
| GOLDEN STATE VINTNERS WS | CA2701550 | California | Non-Transient Non-Community | 70 |
| YOLANDA BUSINESS PARK | CA4900888 | California | Non-Transient Non-Community | 70 |
| PONDEROSA MOBILE ESTATES | CA0400046 | California | Community | 70 |
| CRESCENT BEACH MOTEL | CA0800542 | California | Transient Non-Community | 70 |
| ESTANCIA WINERY WS | CA2702613 | California | Non-Transient Non-Community | 70 |
| Wagon Wheel Mobile Home Park | MN5310059 | California | Transient Non-Community | 70 |
| ALVAREZ BROTHERS WS | CA2706552 | California | Non-Transient Non-Community | 70 |
| LOS CARNEROS MWA | CA2701570 | California | Community | 70 |
| CALAVERAS BIG TREES SP, OAK HOLLOW | CA0510301 | California | Transient Non-Community | 70 |
| NORTH KENTUCKY PARTNERS | CA5700753 | California | Transient Non-Community | 70 |
| FORT WASHINGTON GOLF | CA1000333 | California | Transient Non-Community | 70 |
| LOS PRIETOS CAMPGROUND | CA4200400 | California | Transient Non-Community | 70 |
| SIERRA PINES MOBILE HOME PARK | CA0202522 | California | Community | 70 |
| RIVERBENCH WINERY | CA4200950 | California | Transient Non-Community | 70 |
| LUSHMEADOWS BARN | CA2200085 | California | Transient Non-Community | 70 |
| SWEET BRIAR CAMP | CA4500237 | California | Transient Non-Community | 70 |
| SPRING VALLEY SCHOOL | CA0400065 | California | Non-Transient Non-Community | 70 |
| CACHE CREEK CANYON-UPPER SITE | CA5700711 | California | Transient Non-Community | 70 |
| FOUTS SPRINGS YOUTH FACILITY | CA0600041 | California | Non-Transient Non-Community | 70 |
| EASTERLY WWTP - VACAVILLE | CA4810040 | California | Non-Transient Non-Community | 70 |
| GREENWOOD SOLAR CENTER | CA7300614 | California | Community | 70 |
| FOLSOME LAKE MUTUAL WATER CO | CA3100047 | California | Community | 70 |
| BAYCLIFF WATER | CA1700606 | California | Community | 70 |
| DEEP SHADOWS RANCH | CA1907022 | California | Transient Non-Community | 70 |
| Arviso - Mobile Home Park | 090605121 | California | Community | 70 |
| HONIG WINERY | CA2800034 | California | Non-Transient Non-Community | 70 |
| MILLERS PROGRESSIVE CARE - INACTIVE | CA3301688 | California | Community | 70 |
| CEDAR LODGE | CA3200125 | California | Transient Non-Community | 70 |
| PINECREST | CA3701070 | California | Transient Non-Community | 70 |
| RYDE HOTEL | CA3400151 | California | Transient Non-Community | 70 |
| GOLDEN VALLEY MUNICIPAL WATER DISTRICT | CA1900767 | California | Community | 70 |
| MISTY HOLLOW RANCH | CA1907021 | California | Transient Non-Community | 70 |
| LAKE TAHOE PIZZA | CA0900510 | California | Transient Non-Community | 70 |
| COUNTRY MARKET | CA5700583 | California | Transient Non-Community | 70 |
| RUTH LAKE C S D | CA5300059 | California | Transient Non-Community | 70 |
| MATTS RANCH | CA1907017 | California | Transient Non-Community | 70 |
| NEW MEADOWS | CA5200546 | California | Community | 70 |
| VFW POST 5551 | CA3601162 | California | Transient Non-Community | 70 |
| WEST VALLEY MUTUAL WATER COMPANY | CA1500550 | California | Community | 70 |
| H2O, INC | CA4000741 | California | Community | 70 |
| HIDDEN HARBOR MARINA & RVP | CA5200526 | California | Community | 70 |
| MONTECITO SEA MEADOWS | CA4200733 | California | Community | 70 |
| SANTA MARGARITA KOA | CA4000656 | California | Transient Non-Community | 70 |
| MADONNA MUTUAL WATER CO. | CA5400814 | California | Community | 70 |
| CALLAHAN WATER DISTRICT | CA4700503 | California | Community | 70 |
| LA CADENA MWC | CA3301369 | California | Community | 70 |
| SONOMA SEVENTH DAY ADVENTIST CHURCH | CA4901234 | California | Transient Non-Community | 70 |
| GOD'S ARMY | CA1000227 | California | Community | 70 |