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
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