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
HOMETOWN COLONIAL ESTATES LLC CA3400217 California Community 400
EL DORADO ID - STRAWBERRY CA0910017 California Community 400
GRAND VIEW SCHOOL CA5400620 California Non-Transient Non-Community 400
ANGORA LAKES RESORT CA0900515 California Transient Non-Community 400
CALIFORNIA CANNERS & GROWERS CA4300607 California Transient Non-Community 400
GILROY FOODS, GILROY EAST PLANT CA4300609 California Non-Transient Non-Community 400
CERES SPORTS ARENA CA5000434 California Transient Non-Community 400
RIVERLAND RESORT CA5400929 California Community 400
SUNSET VISTA ESTATES MHP CA1600002 California Community 400
NEIGHBORHOOD CHURCH ANDERSON COTTONWOOD CA4500349 California Transient Non-Community 400
SENSIENT NATURAL INGREDIENTS LLC CA2400013 California Non-Transient Non-Community 400
AGUA CALIENTE COUNTY PARK CA3700846 California Transient Non-Community 400
LIVE OAK HIGH SCHOOL CA5100170 California Non-Transient Non-Community 400
Antelope Elementary School CA5200505 California Non-Transient Non-Community 400
LAKEPORT CINEMAS CA1700712 California Transient Non-Community 400
BSA/CAMP CHAWANAKEE CA1000165 California Transient Non-Community 400
MONARCH NUT COMPANY CA5403140 California Non-Transient Non-Community 400
STEVENS CREEK COUNTY PARK CA4300782 California Transient Non-Community 400
SAN JOSE HIGHLANDS CA4300552 California Community 400
ANHEVSER BUSCH CA4800711 California Transient Non-Community 400
CSP-MENDOCINO WOODLANDS CA2310313 California Transient Non-Community 400
LUTHER BURBANK CTR FOR APTS CA4900685 California Transient Non-Community 400
BROOKWOOD MOBILE HOME PARK CA4900687 California Community 400
ROYAL OAK CA5700536 California Community 400
MOSS COVE REST STOP (CALTRANS) CA2300818 California Transient Non-Community 400
OUTDOOR RESORTS RANCHO CA CA3301961 California Non-Transient Non-Community 400
RUTH LAKE C S D CA5300057 California Transient Non-Community 400
SAN JOAQUIN CO, DPT PUBLIC WKS CA3910016 California Community 400
CITY OF 10,000 BUDDHAS CA2300731 California Community 400
BONITA RANCH RV CAMPGROUND CA3600384 California Transient Non-Community 400
SUNSET VISTA WATER COMPANY CA5400943 California Community 400
REGENCY MOBILE HOME PARK GA0510043 California Community 400
RAYTHEON COMPANY CA5602502 California Transient Non-Community 400
TWIN LAKES RESORT CA3701793 California Community 400
BURNT BRIDGE RECREATION AREA CA5800818 California Transient Non-Community 400
JANESVILLE ELEMENTARY SCHOOL CA1800577 California Non-Transient Non-Community 400
ACTON LA NORTH KOA CA1900092 California Transient Non-Community 400
SCENIC BROOK ESTATES MWC CA5500073 California Community 400
BRONCO WINERY CA5000286 California Non-Transient Non-Community 400
HIDDEN HOLLOW MHC AZ0403362 California Community 400
VINES R.V. RESORT CA4000829 California Transient Non-Community 400
WIENERSCHNITZEL CA3901120 California Transient Non-Community 400
WEST GOSHEN MUTUAL WATER CO CA5400957 California Community 400
EL RIO MUTUAL WATER COMPANY CA5602106 California Community 400
PINEZANITA INC. CA3701694 California Transient Non-Community 400
Campo Church Road System (HUD Homes) 090605045 California Community 400
GSA TECATE PORT OF ENTRY CA3710048 California Non-Transient Non-Community 400
LAKE SHERWOOD CA5603102 California Community 400
NAPA VALLEY COUNTRY CLUB CA2800588 California Non-Transient Non-Community 400
CATERED BY ANDRADE CA5401078 California Transient Non-Community 400