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.

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System Name PWSID State Type Population Served
TAHOE CITY PUD - RUBICON CA0910012 California Community 703
MOONLIGHT PACKING COMPANY PLANT 7 CA1000608 California Transient Non-Community 703
CALIFORNIA RESOURCES ELK HILLS CA1503440 California Non-Transient Non-Community 700
DEL RIO MUTUAL CA1900130 California Community 700
SPANISH FLAT CALIF WATER DIST CA2800519 California Community 700
LAUREATE WATER COMPANY CA4000206 California Community 700
CSP - SUNSET STATE BEACH CA4410303 California Transient Non-Community 700
SPARTAN VETERINARY SERVICES CA3302062 California Transient Non-Community 700
COACHELLA VALLEY WTR DIST CA3310039 California Community 700
CUYAMA COMMUNITY SERVICES DISTRICT CA4210009 California Community 700
GRIZZLY ISLAND WILDLIFE AREA CA4800756 California Transient Non-Community 700
MAE HENSLEY SCHOOL CA5000256 California Transient Non-Community 700
SAMOA VILLAGE MOBILE HOME EST CA3610059 California Community 700
CHANSALL MUTUAL WATER COMPANY CA1900686 California Community 700
WILSONA ELEMENTARY SCHOOL CA1900883 California Non-Transient Non-Community 700
BRIDGE BAY RESORT CA4500109 California Transient Non-Community 700
SANTA CLARA UNIVERSITY CA4300707 California Community 700
TUSD - CUMMINGS VALLEY SCHOOL CA1502773 California Non-Transient Non-Community 700
BLACK BUTTE LAKE, BUCKHORN RA, USCOE CA5200672 California Transient Non-Community 700
BEACON TRUCK STOP KINGMAN AZ0408073 California Transient Non-Community 700
MC CLELLAN MHP CA3400179 California Community 700
JUNCTION SCHOOL DISTRICT CA4500163 California Non-Transient Non-Community 700
TAHOE VALLEY ELEMENTARY SCHOOL CA0900648 California Non-Transient Non-Community 700
ART/DORIS SCHNAIBLE CA3900708 California Community 700
RAINBO BEACH CA3600356 California Transient Non-Community 700
ANDERSON UNION HIGH SCHOOL CA4500041 California Non-Transient Non-Community 700
FORT JONES, TOWN OF CA4710003 California Community 695
LINNELL FARM LABOR CENTER CA5400631 California Community 694
ELKHORN SCHOOL WS CA2700577 California Non-Transient Non-Community 694
LOCH LOMOND MUTUAL WATER CO CA1700518 California Community 693
CUYAMACA SP - PASO PICACHO CA3710311 California Transient Non-Community 691
MOON VALLEY WATER SYSTEM CA4900871 California Community 691
SEVILLE WATER COMPANY CA5400550 California Community 691
CAL AMERICAN - YERBA BUENA CA5610006 California Community 690
HEMLOCK MUTUAL WATER CO. CA1910053 California Community 686
SNOWSHOE SPRINGS ASSN. CA0510011 California Community 686
HUGHSON HIGH SCHOOL CA5000119 California Transient Non-Community 685
La Posta Casino 090600053 California Non-Transient Non-Community 685
HUMBOLDT BAY MWD CA1210013 California Community 680
EL CAMINO REAL WS #16 CA2700575 California Transient Non-Community 679
LEWISTON COMMUNITY SERVICES DISTRICT CA5301002 California Community 677
VALLEY VIEW PARK MUTUAL WATER CA3600333 California Community 676
KEYES UNION ELEMENTARY SCHOOL CA5000120 California Non-Transient Non-Community 675
BLUE LAKE UPPER BLUE CA0202555 California Transient Non-Community 672
ANNA KIRCHGATER ELEMENTARY SCHOOL CA3400246 California Transient Non-Community 672
LEE VINING PUBLIC UTILITY DISTRICT CA2610005 California Community 672
ALIANZA CHARTER SCHOOL/WCSA CA4400757 California Non-Transient Non-Community 670
LAKE MORENA'S OAK SHORES MWC CA3700923 California Community 670
RIO TIERRA JUNIOR HIGH SCHOOL CA3400263 California Non-Transient Non-Community 670
ARBOR VILLAGE MI0040223 California Community 670