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
PINE HILL MOBILE HOME PARK TX1020072 California Community 201
TAHOE CITY PUD - ALPINE PEAKS CA3110044 California Community 201
CLOVIS CASTLE CA1000612 California Transient Non-Community 201
SAM EDWARDS ASSOC CA5601204 California Community 201
FORT BAKER WATER SYSTEM CA2110550 California Community 200
BILL MASSA COMPANY WS**CLOSED** CA2701224 California Non-Transient Non-Community 200
AMERICAN FOREST PRODUCTS CORP CA1000154 California Transient Non-Community 200
MOUNTAIN VIEW MOBILE HOME PARK CA3301445 California Community 200
ST PATRICKS SEMINARY CA4100556 California Transient Non-Community 200
USACE-KAWEAH RECREATION AREA CA5400755 California Transient Non-Community 200
FOREST LAWN SCOUT RESERVATION CA3600601 California Transient Non-Community 200
RIVER HIGHLANDS CSD CA5800820 California Community 200
LAMMERSVILLE SCHOOL CA3901019 California Non-Transient Non-Community 200
A & M LIVESTOCK AUCTION CA1600282 California Transient Non-Community 200
DON JUANS RESTAURANT CA1700645 California Transient Non-Community 200
KLAMATH CAMPER CORRAL CA0800615 California Transient Non-Community 200
PACKERS BAY RAMP NRAS CA4500038 California Transient Non-Community 200
CENTERVILLE BEACH NAVAL FAC. CA1210700 California Community 200
OCTAGON BARN CENTER ASSOCIATION CA4000830 California Transient Non-Community 200
SONOMA WAREHOUSING CA4901061 California Non-Transient Non-Community 200
MDF-BLUE LAKE CG CA2500538 California Transient Non-Community 200
SAN VINCENTE SCHOOL CA2701173 California Transient Non-Community 200
BlueTriton Brands Morongo 090600061 California Non-Transient Non-Community 200
SIERRA LINDA MUTUAL WATER CO CA2000506 California Community 200
IDYLLWILD BREW PUB CA3301161 California Transient Non-Community 200
NO. CONGREGATION JEHOVAHS WITN CA0900101 California Transient Non-Community 200
MARIPOSA DISTRICT FAIRGROUND CA2201070 California Transient Non-Community 200
BLAIRSDEN WATER USERS ASSN CA3200134 California Community 200
CAMP KARL HOLTON WATER SYSTEM/CAMP 16 CA1900726 California Community 200
SNOWLINE CA2000571 California Transient Non-Community 200
CHINA PEAK MOUNTAIN RESORT CA1000171 California Transient Non-Community 200
CROW CANYON PARK CA0100045 California Transient Non-Community 200
WEST FRESNO ELEMENTARY SCHOOL CA1000218 California Non-Transient Non-Community 200
SIERRAVILLE P.U.D. CA4600018 California Community 200
NORTHERN TRUCK INC. CA0600045 California Transient Non-Community 200
CHEMGOLD, INC. PICACHO MINE CA1300647 California Non-Transient Non-Community 200
MANZO INVESTMENTS CA4200672 California Non-Transient Non-Community 200
LIVE OAK WALDORF SCHOOL CA3100072 California Non-Transient Non-Community 200
CALIFORNIA CANNERS & GROWERS, CA4300789 California Transient Non-Community 200
NAPA VALLEY STATE PARK CA2800590 California Transient Non-Community 200
MARTIN S MEAT PROCESSING CA1600289 California Transient Non-Community 200
FRESHWATER WATER SERVICE CA1200569 California Community 200
EXETER KINGDOM HALL CA5403147 California Transient Non-Community 200
STOCKTON / LODI RV PARK CA3900947 California Community 200
PINE VALLEY TRAILER PARK CA3701961 California Community 200
PLAZA DEL ORO CA4200665 California Transient Non-Community 200
MD 07 MARINA VIEW HEIGHTS CA2000551 California Community 200
FRED'S CAMP CA2700955 California Community 200
DOMAINE CHANDON CA2800736 California Non-Transient Non-Community 200
CALTRANS-DUNSMUIR GRADE INSP. FACILITY CA4700573 California Non-Transient Non-Community 200