Utilities in California
18,760 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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CALIFORNIA STATE FAIR
CA3410026 · 9,280 served
CALIFORNIA STATE FORESTRY
CA1200525 · 10 served
CALIFORNIA STATE PARK
CA1900049 · 25 served
CALIFORNIA STATE PARKS
CA0900541 · 325 served
CALIFORNIA STATE PARKS
CA3710300 · 25 served
CALIFORNIA STATE PARKS
CA4410316 · 13 served
CALIFORNIA STATE PRISON - SOLANO
CA4810800 · 5,100 served
CALIFORNIA STATE UNIVERSITY FRESNO
CA1010339 · 41,000 served
CALIFORNIA STEEL INDUSTRIES
CA3601159 · 500 served
CALIFORNIA SWEET POTATO GROWERS COOP
CA2400334 · 48 served
CALIFORNIA TRANSPLANTS LLC
CA5000586 · 25 served
CALIFORNIA VALLEY COMMUNITY SE
CA4000600 · 30 served
CALIFORNIA VALLEY LAND COMPANY
CA1009208 · 60 served
CALIFORNIA VALLEY WATER SYSTEM - INACTIV
CA4000719 · 25 served
California Village
090600237 · 1,290 served
CALIFORNIA VIPASSANA CENTER
CA2000807 · 127 served
CALIFORNIA WALNUTS
CA5200809 · 30 served
CALIFORNIA WATER SERVICE - BEAR GULCH
CA4110006 · 61,431 served
CALIFORNIA WATER SERVICE - LIVERMORE
CA0110003 · 60,414 served
CALIFORNIA WATER SERVICE - SAN CARLOS
CA4110007 · 35,344 served
CALIFORNIA WATER SERVICE - SAN MATEO
CA4110008 · 102,348 served
CALIFORNIA WATER SERVICE - STOCKTON
CA3910001 · 176,266 served
CALIFORNIA WATER SERVICE CO - WESTLAKE
CA5610016 · 19,533 served
CALIFORNIA WATER SERVICE CO-LAKE HUGHES
CA1910242 · 929 served
CALIFORNIA WATER SERVICE CO-LEONA VALLEY
CA1910243 · 878 served
CALIFORNIA WATER SERVICE CO. - DIXON
CA4810002 · 10,623 served
CALIFORNIA WATER SERVICE CO. - DOMINGUEZ
CA1910033 · 143,996 served
CALIFORNIA WATER SERVICE CO. - ELA
CA1910036 · 152,474 served
CALIFORNIA WATER SERVICE CO. - HERM/REDO
CA1910134 · 96,853 served
CALIFORNIA WATER SERVICE CO. - PALOS VER
CA1910104 · 71,452 served
CALIFORNIA WATER SERVICE CO.-LANCASTER
CA1910010 · 1,387 served
CALIFORNIA WATER SERVICE CO.-TRAVIS AFB
CA4810701 · 18,111 served
CALIFORNIA WATER SERVICE-S SAN FRANCISCO
CA4110009 · 64,146 served
CALIFORNIA WTR SERV CO
CA2710002 · 1,477 served
CALIFORNIA WTR SERV CO
CA4310008 · 5,400 served
CALIFORNIA YOUTH AUTHORITY
CA0000321 · 65 served
CALIFORNIA-AMERICAN GEYSERVILLE (PUC)
CA4910024 · 1,046 served
CALIFORNIA-AMERICAN LARKFIELD (PUC)
CA4910023 · 7,913 served
CALIFORNIAN
CA3600379 · 224 served
CALIFORNIAN MOBILE HOME PARK
CA1900843 · 372 served
CALIPATRIA STATE PRISON
CA1310800 · 4,800 served
CALISHUN, INC
CA0900619 · 350 served
CALISTOGA COTTAGES
CA2800539 · 40 served
CALISTOGA FARM WORKER CENTER
CA2800039 · 65 served
CALISTOGA RANCH
CA2800575 · 25 served
CALISTOGA, CITY OF
CA2810002 · 5,610 served
CALIZONA RV PARK
CA3600371 · 310 served
CALLAHAN WATER DISTRICT
CA4700503 · 70 served
CALLAHAN WORK CENTER-KNF
CA4700850 · 30 served
CALLAYOMI COUNTY WATER DISTRICT
CA1710013 · 1,598 served