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.

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System Name PWSID State Type Population Served
ADAMS KART TRACK CA3301003 California Transient Non-Community 100
KINGDOM HALL JEHOVAH WITNESS CA5000500 California Transient Non-Community 100
GRACE MENNONITE SCHOOL CA2400099 California Non-Transient Non-Community 100
NVUSD: STONEBRIDGE SCHOOL CA2800848 California Non-Transient Non-Community 100
STANDARD STRUCTURES, INC' CA4901057 California Transient Non-Community 100
CHURCH OF THE BRETHEREN CA5102035 California Transient Non-Community 100
VISION CALVARY CHAPEL CA5403220 California Transient Non-Community 100
OBERTI OLIVE CA2000661 California Non-Transient Non-Community 100
HATFIELD STATE PARK CA2400095 California Transient Non-Community 100
MARKO ZANINOVICH, INC. - POND ROAD CA1503374 California Non-Transient Non-Community 100
VALLEY GRAIN PRODUCTS CA2000658 California Transient Non-Community 100
CAL TRANS DISTRICT 2 CA3200091 California Transient Non-Community 100
O.A.R.S., INC #70 CA0900423 California Transient Non-Community 100
CAL TRANS DISTRICT 2 CA3200090 California Transient Non-Community 100
PORTERVILLE CITRUS RAYO CA5400541 California Non-Transient Non-Community 100
RANCHO PRIMERO #43 CA3301776 California Transient Non-Community 100
BEAR MOUNTAIN TRUCK STOP CA1502799 California Transient Non-Community 100
MT WILSON CA1900749 California Community 100
SUMNER PECK RANCH CA1000591 California Transient Non-Community 100
NVUSD: WOODEN VALLEY SCHOOL CA2800845 California Non-Transient Non-Community 100
NVUSD: CARNEROS SCHOOL CA2800847 California Non-Transient Non-Community 100
PELORIA DIGGER BAY LLC CA4500071 California Transient Non-Community 100
ANDERSON VINEYARD CA2801000 California Transient Non-Community 100
WILLOW CREEK SCHOOL CA4700569 California Non-Transient Non-Community 100
EL COYOTE LOCO CA3601161 California Transient Non-Community 100
NEWBERRY CHEVRON CA3601101 California Transient Non-Community 100
MOORE LEARNING (FORMERLY SHELDON ACRES) CA3400402 California Non-Transient Non-Community 100
DARRIGOS WATER SYSTEM CA3901310 California Transient Non-Community 100
MT AUKUM SQUARE CA0900319 California Transient Non-Community 100
PLEASANT VALLEY CAMPGROUND CA1400051 California Transient Non-Community 100
OASIS PROPERTY OWNERS ASSOCIATION CA1500585 California Community 100
MISSION SCHOOL WS CA2702317 California Non-Transient Non-Community 100
CITIZENS UTILITIES CO CA3410217 California Community 100
ATLAS PEAK VINEYARDS CA2801001 California Transient Non-Community 100
ESCALON LIVESTOCK MKT CA3901344 California Transient Non-Community 100
GLASHOFF'S FRUIT STAND CA4800823 California Transient Non-Community 100
CHATEAU BOSWELL CA2801003 California Transient Non-Community 100
UNITED PARK INC CA2000790 California Transient Non-Community 100
CADENASSO WINERY CA4800822 California Transient Non-Community 100
CHURCH OF JESUS CHRIST OF LDS CA3901399 California Transient Non-Community 100
PIONEER MARKET CA2000823 California Transient Non-Community 100
PIONEER PARK WATER SYSTEM CA0900213 California Transient Non-Community 100
JOE MILLER RECREATIONAL AREA CA2901551 California Transient Non-Community 100
SEQUOIA MOTEL CA2400056 California Transient Non-Community 100
ACORN MOBILE VILLAGE CA3400352 California Community 100
PG&E METCALF CA4300971 California Non-Transient Non-Community 100
RIO VISTA MHP NE3121527 California Community 100
HAMILTON STREET PARK CA3400359 California Transient Non-Community 100
THAT CREATIVE CAFE CA3601178 California Transient Non-Community 100
HACIENDA VASQUEZ MOBILE HOME PARK CA1900066 California Community 100