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
MACE RANCH INC CA5700533 California Transient Non-Community 244
FOSTER FARMS DELHI FEEDMILL COLLIER ROAD CA2400165 California Non-Transient Non-Community 244
COUNTRYSIDE ESTATES MWC CA2702374 California Community 243
OROVILLE-WYANDOTTE I.D. CA0410014 California Community 243
LE TRIANON RESORT CA1700601 California Transient Non-Community 243
MONTEREY DUNES MWA CA2701452 California Community 243
MOUNTAIN VALLEY COMMUNITY CHURCH CA1000573 California Transient Non-Community 242
ST. PAULS CHURCH-OWENS VA6099550 California Community 242
CHARLES BROWN WATER COMPANY CA1400004 California Community 242
TECOPA WATER VENDING MACHINE CA1400534 California Transient Non-Community 241
FCSA 30 - EL PORVENIR CA1000019 California Community 241
SILENT VALLEY CLUB CA3301622 California Non-Transient Non-Community 241
STARLITE COMMUNITY SERVICE DISTRICT CA1400002 California Community 241
LUNDBERG FAMILY FARM CA0400133 California Non-Transient Non-Community 240
PINE CREEK VILLAGE CA1400006 California Community 240
CITRUS SCHOOL CA1000212 California Non-Transient Non-Community 240
ASH CREEK FIRE STATION-STNF CA4700722 California Transient Non-Community 240
CHANAC CREEK MUTUAL WATER COMPANY CA1502670 California Community 240
PINE GROVE MAINT. & OPER. CA0800645 California Non-Transient Non-Community 240
MEADOW LAKES CLUB CA1000056 California Community 240
LA VINA SCHOOL CA2000601 California Non-Transient Non-Community 240
DEL MONTE CORP CA3900784 California Non-Transient Non-Community 240
NATURAL REMEDIES CONSULTING (NRC) CA5000556 California Transient Non-Community 240
CAMP COSTANOAN CA4300767 California Transient Non-Community 240
ARDEN DEE POTTER CA5300060 California Transient Non-Community 240
SOUTHLAND MOBILE HOME PARK CA3900820 California Community 240
RANCHO MARCELINO WATER CA4200531 California Community 240
LINDEN USD-WAVERLY SCHOOL CA3900953 California Non-Transient Non-Community 240
USFS-TOIYABE, CHAS NAPES BLDG CA0210405 California Transient Non-Community 240
MILLVILLE ELEMENTARY SCHOOL CA4500180 California Non-Transient Non-Community 240
KOA CAMPGROUND CA2200036 California Transient Non-Community 240
WELCOME GROVE MHP & RV CA5700503 California Community 240
BARENGO VINEYARD CA3900654 California Transient Non-Community 240
CAL SHASTA CLUB CA4000640 California Transient Non-Community 240
DANTE CLUB OF FRESNO CA1000488 California Transient Non-Community 240
LASSEN VNP - BUTTE LAKE CA5210500 California Transient Non-Community 240
NPS-COLD SPRINGS CA5410517 California Transient Non-Community 240
LARK SPA CA1300552 California Community 240
SAND FLAT CAMPGROUND CA5500177 California Transient Non-Community 240
MOUNTAIN ELEMENTARY SCHOOL CA4400756 California Non-Transient Non-Community 240
GILMORE TRAILER PARK CA1300580 California Transient Non-Community 240
CAMPBELL FIELD WATER SYSTEM CA1200571 California Community 240
DEPARTMENT OF WATER AND POWER CA3600283 California Community 239
KENNOLYN CAMP CA4400717 California Transient Non-Community 239
CACHEVILLE SERVICE DIST CA5700700 California Community 239
FISHCAMP MUTUAL WATER COMPANY CA2210903 California Transient Non-Community 239
MD 05 MOUNTAIN RANCHES CA2000549 California Community 239
BALLICO CSD CA2400167 California Community 238
TWIN OAKS MOBILE PARK CA3901074 California Community 238
CANYON SCHOOL CA0707620 California Non-Transient Non-Community 238