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 |
|---|---|---|---|---|
| DEL ORO WATER CO - METROPOLITAN DISTRICT | CA1000057 | California | Community | 92 |
| AMISTAD | CA5700515 | California | Transient Non-Community | 92 |
| MCCOY RD WS #05 | CA2701040 | California | Community | 92 |
| CHARLES SAMPLEY | CA1502400 | California | Transient Non-Community | 92 |
| MAURLAND MANOR WATER SYSTEM | CA3900543 | California | Community | 92 |
| TEHAMA ECOLOGY CENTER | CA7300403 | California | Community | 92 |
| CORTLAND PINES MUTUAL WATER CO | CA4500009 | California | Community | 92 |
| DAVIS MIGRANT CENTER (CIUDAD DEL SOL) | CA5700539 | California | Non-Transient Non-Community | 91 |
| EBRPD - SUNOL REGIONAL WILDERNESS | CA0105012 | California | Transient Non-Community | 91 |
| ENCINAL RD WS #01 | CA2701241 | California | Community | 91 |
| SNO BOWL WATER CO | CA5500078 | California | Community | 91 |
| HOOT OWL CREEK/ALEX. VALLEY VINEYARDS JV | CA4901135 | California | Non-Transient Non-Community | 91 |
| GREENHEART FARMS | CA4000211 | California | Non-Transient Non-Community | 91 |
| SIERRA VILLAGE | CA5500093 | California | Community | 91 |
| LIVINGSTON PROPERTIES | CA2400249 | California | Transient Non-Community | 91 |
| THE MADRONES | CA2300970 | California | Transient Non-Community | 91 |
| LELAND CREEK-WATER SYSTEM | CA5500028 | California | Transient Non-Community | 91 |
| SILVER OAK WINE CELLARS LLC | CA4901374 | California | Non-Transient Non-Community | 91 |
| DOUBLE R TRAILER PARK | CA3301220 | California | Community | 90 |
| SAN JOAQUIN WINE COMPANY | CA2000920 | California | Non-Transient Non-Community | 90 |
| TULARCITOS MWC | CA2701800 | California | Community | 90 |
| PORTERVILLE DRIVE IN | CA5400973 | California | Transient Non-Community | 90 |
| BULL CREEK RES AND TRAILER | CA1210309 | California | Transient Non-Community | 90 |
| RAMEY VINEYARDS | CA4901417 | California | Transient Non-Community | 90 |
| R L BUTTON | CA5700602 | California | Transient Non-Community | 90 |
| MC MAHON TRAILER PARK | CA4600057 | California | Transient Non-Community | 90 |
| CLARK STREET COMMUNITY WELL | CA1502056 | California | Community | 90 |
| OKI NURSERY INC | CA3400291 | California | Transient Non-Community | 90 |
| STONESTREET WINERY | CA4901259 | California | Non-Transient Non-Community | 90 |
| MENDOCINO PRESBYTERIAN CHURCH | CA2301010 | California | Non-Transient Non-Community | 90 |
| METTLER COUNTY WATER DISTRICT | CA1500401 | California | Community | 90 |
| AIRPORT INDUSTRIAL PARK | CA4500274 | California | Non-Transient Non-Community | 90 |
| CRESTMORE VILLAGE #2 | CA1900149 | California | Community | 90 |
| TOM KARSHNESKI | CA5300127 | California | Community | 90 |
| TWILIGHT MOBILE HOME PARK | CA3400185 | California | Community | 90 |
| CARRY TRACT WATER ASSOC | CA3000751 | California | Community | 90 |
| MR JOE FRANCE | CA0706002 | California | Community | 90 |
| NIELSEN TRAILER PARK | CA2700996 | California | Community | 90 |
| WESTSIDE SCHOOL | CA1300578 | California | Non-Transient Non-Community | 90 |
| OLD STAGE ROAD WATER SYSTEM 10 | CA2701504 | California | Community | 90 |
| ANOOSHVAN WATER SYSTEM | CA1000002 | California | Community | 90 |
| JO'S GALLEY | CA4500176 | California | Transient Non-Community | 90 |
| SUNNYGEM HULLING & SHELLING OPERATIONS | CA1503578 | California | Transient Non-Community | 90 |
| CSP CALIFORNIA STATE PARKS | CA1910300 | California | Transient Non-Community | 90 |
| BUTERA FINER FOODS ELGIN | IL3133686 | California | Transient Non-Community | 90 |
| SADDLEBACK MUTUAL WATER CO. | CA5200645 | California | Community | 90 |
| GAMBI WATER SYSTEM | CA1200713 | California | Community | 90 |
| VINEYARD ESTATES MWC | CA3500579 | California | Community | 90 |
| WEST COTTONWOOD APARTMENTS | CA4500247 | California | Community | 90 |
| MARY SMITH CAMPGROUND | CA5301109 | California | Transient Non-Community | 90 |