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 |
|---|---|---|---|---|
| ESCALON PREMIER BRANDS | CA3900797 | California | Non-Transient Non-Community | 300 |
| TELEDYNE MC CORMICK SELPH | CA3504563 | California | Transient Non-Community | 300 |
| HAMMOND WATER SYSTEM | CA1600280 | California | Transient Non-Community | 300 |
| FOREST LAKE CHRISTIAN SCHOOL | CA2900540 | California | Non-Transient Non-Community | 300 |
| PIONEER BIBLE CHURCH | CA0900104 | California | Transient Non-Community | 300 |
| ERNIE BALL, INC | CA4000751 | California | Non-Transient Non-Community | 300 |
| ANDERSON VALLEY HIGH SCHOOL | CA2300764 | California | Non-Transient Non-Community | 300 |
| LDS CHURCH ATWATER | CA2400234 | California | Transient Non-Community | 300 |
| YOSEMITE WATER CO. OF BRAWLEY | CA3301823 | California | Community | 300 |
| CERES FARM LABOR CAMP | CA5000004 | California | Community | 300 |
| WILDHAWK GOLF CLUB | CA3400395 | California | Transient Non-Community | 300 |
| RAINBOW SPRINGS PUBLIC WATER SYSTEM | CA3100027 | California | Transient Non-Community | 300 |
| VAN DEVENTER COUNTY PARK | CA0800610 | California | Transient Non-Community | 300 |
| R-RANCH KLAMATH RIVER | CA4700839 | California | Transient Non-Community | 300 |
| PALMS INN | CA4900815 | California | Non-Transient Non-Community | 300 |
| LAKE MORENA COUNTY PARK | CA3700903 | California | Transient Non-Community | 300 |
| BERINGER VINEYARDS | CA2801070 | California | Non-Transient Non-Community | 300 |
| CITY OF SAN DIEGO - EL CAPITAN RESERVOIR | CA3705063 | California | Transient Non-Community | 300 |
| SOUTHSIDE COMMUNITY CENTER | CA4300755 | California | Transient Non-Community | 300 |
| MARIANI PACKING COMPANY, INC. | CA4800595 | California | Non-Transient Non-Community | 300 |
| SCENIC VIEW MUTUAL WATER CO | CA5500075 | California | Community | 300 |
| R-RANCH HEADQUARTERS | CA4700669 | California | Transient Non-Community | 300 |
| TRAVER SCHOOL | CA5400639 | California | Non-Transient Non-Community | 300 |
| FOLLOWS CAMP-WEST | CA1900544 | California | Transient Non-Community | 300 |
| OAKLAND FEATHER RIVER CAMP | CA3200019 | California | Transient Non-Community | 300 |
| PLEASANT GROVE WATER CO | CA5400688 | California | Community | 300 |
| US ARMY CORPS/ISLAND PARK | CA1000085 | California | Transient Non-Community | 300 |
| FINLEY COUNTY SERVICE AREA #6 | CA1700550 | California | Community | 300 |
| THE GARLIC COMPANY | CA1503290 | California | Non-Transient Non-Community | 300 |
| BRANGER MUTUAL WATER COMPANY, INC. | CA4900545 | California | Community | 300 |
| ROSEDALE MENNONITE | CA1502364 | California | Transient Non-Community | 300 |
| USFS-TOIYABE, CHAS NAPES BLDG | CA2610407 | California | Transient Non-Community | 300 |
| BIG BASIN REDWOODS STATE PARK | CA4400790 | California | Transient Non-Community | 300 |
| TALMONT RESORT IMPROVEMENT DISTRICT | CA3110047 | California | Community | 300 |
| TNF-ASPEN CREEK/PASS CREEK | CA4600072 | California | Transient Non-Community | 300 |
| MUSD-NEW HAVEN SCHOOL | CA3901163 | California | Non-Transient Non-Community | 300 |
| ANGELINA | CA1200823 | California | Transient Non-Community | 300 |
| B B B AND H WATER SYSTEM | CA1502010 | California | Transient Non-Community | 300 |
| SHASTA DIVIDE RD SIDE SPRING | CA4500032 | California | Transient Non-Community | 300 |
| CLAYTON B WIRE | CA3400256 | California | Transient Non-Community | 300 |
| HERINGER ESTATES WINERY | CA5700516 | California | Transient Non-Community | 300 |
| CAMP GILBOA | CA3600600 | California | Transient Non-Community | 300 |
| FORT TEJON STATE PARK | CA1502451 | California | Transient Non-Community | 300 |
| YOSEMITE NPS-WHITE WOLF | CA5510504 | California | Transient Non-Community | 300 |
| PHILLIPSVILLE C.S.D. | CA1200541 | California | Community | 300 |
| WESTERN SCHOOL | CA1000296 | California | Transient Non-Community | 300 |
| BIG LAGOON - HUMBOLDT CO. PARKS | CA1206005 | California | Transient Non-Community | 300 |
| COLLEGE OF SEQUOIAS | CA5400825 | California | Non-Transient Non-Community | 300 |
| MIDLAND PARK WATER TRUST | CA1900652 | California | Community | 300 |
| Mitomkai Tribal Water System | 090605120 | California | Community | 300 |