Browse Water Systems

19,626 public water systems in CA.

Public Water Systems Database

Browse 19,626 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.

Clear
System Name PWSID State Type Population Served
SOUTH FORK HIGH SCHOOL CA1200696 California Non-Transient Non-Community 600
EL MONTE SCHOOL CA5400606 California Transient Non-Community 600
EDISON POTATO SHEDS CA1502072 California Transient Non-Community 600
SYLVAN SCHOOL CA5000181 California Transient Non-Community 600
SNOWCREST HEIGHTS IMP ASSOC CA3600262 California Community 600
CARVER TRACT MUTUAL WATER COMP CA3301107 California Community 600
MUSD-NEW HAVEN SCHOOL CA3901163 California Non-Transient Non-Community 600
MONTEREY ACRES MUTUAL W/C CA1900535 California Transient Non-Community 600
LARRY G PRESTON MGR CA4500207 California Community 600
Ontario Christian School CA3600188 California Non-Transient Non-Community 600
MIDWAY COMMUNITY SERVICES DIST CA2410015 California Community 600
PLEASANT VALLEY BAPTIST CHURCH CA0400162 California Non-Transient Non-Community 600
WALNUT ACRES HOUSING DEVELOPMENT CA5000024 California Community 600
SIERRA HIGHLAND CSD CA1400007 California Community 600
RANCHO SESPE WORKERS IMP ASSOC CA5601144 California Community 600
PLAINVIEW MUTUAL WTR CO CA5400642 California Community 600
FEATHER RIVER COMMUNITY COLLEGE CA3200111 California Non-Transient Non-Community 600
GAYLORD CONTAINER COMPANY CA0707522 California Transient Non-Community 600
SOUTH SAN BERNARDINO-NORTH CA3610067 California Community 600
FRENCH CAMP CAMPGROUND CA2600573 California Transient Non-Community 600
COLLEGE OF SISKIYOU CA4700547 California Non-Transient Non-Community 600
SWEETWATER STEAKHOUSE & SALOON CA2000847 California Transient Non-Community 600
STAGECOACH TRAILS RV RESORT CA3702420 California Transient Non-Community 600
CEDARVILLE COUNTY WATER DIST. CA2510002 California Community 600
PRESTON SCHOOL OF INDUSTRY CA7300315 California Community 600
VALLEY SPRING PUBLIC UTILITY D CA0500080 California Community 600
WAINWRIGHT RETREAT CA0500086 California Transient Non-Community 600
EXCELSIOR MIDDLE SCHOOL CA0706029 California Non-Transient Non-Community 600
THE OAKS MOBILE HOME PARK CA0310020 California Community 600
LAKE CUYAMACA PARK & REC. CA3700865 California Transient Non-Community 600
LAKE HEMET MWD-CAMP GROUND CA3310080 California Community 600
INDIO MUNICIPAL GOLF COURSE CA3301332 California Transient Non-Community 600
CALIF PARKS & RECREATION CA1200563 California Transient Non-Community 600
LA CASA PARK CA1600133 California Transient Non-Community 600
KNIGHTS LANDING SERVICE DIS CA5700567 California Community 600
FOUR CORNERS CA3901195 California Transient Non-Community 600
VALLEY SPRINGS PUBLIC UTILITY CA0502000 California Community 600
MARATHON MARTINEZ WATER SYSTEM CA0707625 California Non-Transient Non-Community 600
DOW CHEMICAL CO CA0707505 California Transient Non-Community 600
GRAND ISLAND MANSION CA3400455 California Transient Non-Community 600
STATE PARKS & REC DEPT CA4400793 California Transient Non-Community 600
PRESERVE AT MILLERTON LAKE WATER SYSTEM CA2010018 California Community 600
COUNTRY LIFE MH & RV PARK CA1300550 California Community 600
SAN FRANCISCO REGIONAL WATER SYSTEM CA3810001 California Community 600
ST MARIA GORETTI PARISH (SWS) CA3400467 California Transient Non-Community 600
SIGNATURE FRUIT (TOMATOES) CA3900771 California Non-Transient Non-Community 600
TURTLE LAKE MI1320321 California Transient Non-Community 600
RODEWAY INN CA3900585 California Transient Non-Community 600
CALTRANS-GRASS LAKE REST STOP CA4700558 California Transient Non-Community 600
SAN JOAQUIN RIVER CLUB INC CA3910018 California Community 600