PlainWater

Public Water Systems

7,249 active public water systems in CA, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.

System Name Location Population Violations PFAS
DEL ORO WC - ARBUCKLE DISTRICT CHICO, CA 185 2
BETHEL ISLAND MHC STOCKTON, CA 185 9
HRC C.S.D. CRESCENT CITY, CA 185 28
FCWWD 38/SKY HARBOUR FRESNO, CA 185 37
ALDERPOINT COUNTY WATER ALDERPOINT, CA 185 83
USFS-BUCKHORN CAMP A-12 WATER ARCADIA, CA 185 28
ROLLING HILLS RANCHO WA SALINAS, CA 185 92
CSP - BALE GRIST MILL STATE HISTORIC PAR NAPA, CA 185 5
MORONGO GOLF COURSE AT TUKWET CNYN BANNING, CA 185 11
PLEASANT GROVE ELEMENTARY SCHOOL SACRAMENTO, CA 185 5
PAUMA VALLEY WATER COMPANY PAUMA VALLEY, CA 185 157
ALPINE OAKS ESTATES LLC DANA POINT, CA 185 41
KELLOGG GARDEN PRODUCTS LOCKEFORD, CA 185 10
DEL ORO WATER CO. - HAT CREEK DISTRICT CHICO, CA 185 193
MARCUM ILLINOIS ELEMENTARY SCHOOL EAST NICOLAUS, CA 185 39
DOYLE SPRINGS ASSOCIATION PASADENA, CA 185 10
COUNTRYSIDE MOBILE HOME PARK MARYSVILLE, CA 185 47
LOS ANGELES RESIDENTIAL COMMUNITY FOUNDA SANTA CLARITA, CA 184 11
FERNWOOD WS BIG SUR, CA 184 43
FOOTHILL ESTATES WS SALINAS, CA 183 3
FCSA 43 - RAISIN CITY FRESNO, CA 182 12
HARRIS FARMS SOUTH 101-144 COALINGA, CA 182 154
ASSOCIATIONS OF THOMPSON LAKE QUINCY, CA 182 17
BIG REDWOOD PARK WATER FELTON, CA 182 47
SUNSET BEACH MUTUAL WATER CO WATSONVILLE, CA 182 7
SIERRA CO. W.W.D #1 CALPINE CALPINE, CA 182 117
BURREL UNION ELEMENTARY SCHOOL BURREL, CA 181 54
CSP - PORTOLA STATE PARK FELTON, CA 181 32
MT. HAMILTON GRANDVIEW RESTAURANT MENLO PARK, CA 181 4
COPCO LAKE MWC PRESCOTT, CA 181 32
SONOMA MOUNTAIN COUNTY WATER DISTRICT SANTA ROSA, CA 181 19
FOOTHILLS MANUFACTURED HOME COMMUNUTY OROVILLE, CA 180 92
FEDEX GROUND TELLURIDE, CA 180 4
LOS VAQUEROS MARINA BLDG CONCORD, CA 180 0
DWR DELTA FIELD DIVISION - BANKS PP BYRON, CA 180 4
CAMP TECUYA WATER SYSTEM LOS ANGELES, CA 180 10
COLBY RANCH-UNITED METHODIST CAMP PALMDALE, CA 180 19
TUFF CAMPGROUND BISHOP, CA 180 0
KINGVALE PROPERTY OWNERS & WATER USERS SODA SPRINGS, CA 180 14
ORTEGA OAKS RV PARK&CAMPGROUND LAKE FOREST, CA 180 99
APPLE VALLEY VILLAGE MHE YORBA LINDA, CA 180 4
OAK GLEN DOMESTIC WATER HEMET, CA 180 34
SOUTHERN CALIFORNIA BLENDING CENTER INC YUCAIPA, CA 180 27
CARIBOU MOBILE PARK PWS STOCKTON, CA 180 10
SARATOGA SPRINGS, INC. SARATOGA, CA 180 33
NORTHBAY LOGISTICS CENTER FKA SAVEMART SAN RAFAEL AVE, CA 180 2
THREE RIVERS ELEMENTARY SCHOOL THREE RIVERS, CA 180 38
CAMPTONVILLE COMMUNITY SERV DIST CAMPTONVILLE, CA 180 3
LOWER SPRINGS WATER CO THREE RIVERS, CA 179 12
ORLAND MOBILE H.P. EL DORADO HILLS, CA 178 21
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