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
EL CAPITAN MUTUAL WATER COMPANY CA4200703 California Community 325
BERRENDOS SCHOOL CA5200507 California Non-Transient Non-Community 325
Santa Ysabel Main 090600150 California Community 325
SUNSHINE RESORT CA3600378 California Transient Non-Community 325
DESERT SPRINGS MWC CA3600089 California Community 325
CHARLESTON SCHOOL CA2400091 California Non-Transient Non-Community 325
MONTE VISTA CHAPEL AND SCHOOL CA5000405 California Transient Non-Community 325
CALIFORNIA STATE PARKS CA0900541 California Transient Non-Community 325
JGW RV PARK CA4500327 California Transient Non-Community 324
FIERO LANE WATER COMPANY, INC. CA4000722 California Non-Transient Non-Community 324
SIERRA WATER RESOURCES - SIERRA CITY CA4600017 California Community 324
KERN RIVER DELTA FARMS CA1500531 California Community 324
SIETE ROBLES MUTUAL WATER CO CA5601119 California Community 323
SEVEN OAKS MT RESORT MHP CA3600360 California Transient Non-Community 323
DEL ORO GRANDVIEW GARDENS DISTRICT CA5400666 California Community 323
MARTIS CREEK-US ARMY CORPS OF ENGINEERS CA2900585 California Transient Non-Community 322
POMONA RANCH HOUSING CENTER CA2000770 California Transient Non-Community 322
JOSEPH GRANT COUNTY PARK CA4300737 California Transient Non-Community 322
CAMP MENDOCINO CA2300839 California Transient Non-Community 321
ROCKFORD SCHOOL CA5400884 California Non-Transient Non-Community 321
SHEPHERD OF THE VALLEY CA4200895 California Transient Non-Community 320
PLACERVILLE, CITY OF - SIERRA GOLF & CC CA0910010 California Community 320
WILLOW GLEN MOBILE ESTATES CA5400576 California Community 320
BETHEL IN THE HILLS - PCG CAMP CA1502217 California Transient Non-Community 320
CAMP HILLEL HOUSE CA1900559 California Transient Non-Community 320
SAPUTO DAIRY FOODS USA, LLC CA2400055 California Non-Transient Non-Community 320
MOUNTAIN VIEW TRAILER COURT CA1400099 California Community 320
SEMI TROPIC SCHOOL WATER SYSTEM CA1502244 California Non-Transient Non-Community 320
DOUBLE L MOBILE ESTATES CA3900842 California Community 320
COACHELLA VALLEY WTR DIST CA3310055 California Community 320
BELL ACADEMY CA5403112 California Non-Transient Non-Community 320
RECREACRES MHC LLC WI7500138 California Community 320
SAINT MARIE MOBILE HOME PARK CA4200842 California Community 320
SANTOS RANCH PWS #5-CSA #35 CA3901216 California Community 320
CAMP SHALOM/JCA CA1900888 California Transient Non-Community 320
PALMER CREEK CSD CA1206004 California Community 320
ADESA OF SACRAMENTO CA3400429 California Non-Transient Non-Community 320
CENTRAL UNION ELEMENTARY CA1600008 California Non-Transient Non-Community 320
TRAIL IN RV CAMPGROUND CA4500020 California Transient Non-Community 318
BLOSSOM TRAIL CAFE CA1000517 California Non-Transient Non-Community 318
MORONGO INDIAN RESERVATION CA3301441 California Transient Non-Community 318
EL DORADO MOBILE HOME PARK CA3400121 California Community 318
FOUR JEFFREY CAMPGROUND CA1400182 California Transient Non-Community 318
TRINITY LAKE MARINAS, LLC. CA5301106 California Transient Non-Community 317
SPAULDING EAGLE LAKE MWC CA1800534 California Community 317
LIVE OAK SPRINGS WATER SYSTEM CA3700922 California Community 317
TWIN VALLEY INC CA4300575 California Community 317
DIXIELAND ELEMENTARY SCHOOL CA2000760 California Non-Transient Non-Community 316
CASCADE ESTATES CA5500104 California Community 316
NPS PRNS - LAGUNA SYSTEM CA2110501 California Transient Non-Community 316