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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WESTLAKE FARMS - CAMP 22
CA1600297 · 25 served
WESTLAKE FARMS - CAMP ROJO
CA1600298 · 25 served
WESTLAKE FARMS HQTS/COTTON GIN
CA1600231 · 25 served
WESTLAKE FARMS-CAMP NEVADA
CA1600232 · 27 served
WESTLAKE MHP
CA1700655 · 0 served
WESTLAKE SDA SCHOOL
CA1700621 · 20 served
WESTLAKE VILLAGE MHP
CA5400966 · 350 served
WESTLAND THEATERS
CA3901188 · 25 served
WESTLANDS WATER DISTRICT
CA1000361 · 48 served
WESTLEY CSD
CA5000408 · 70 served
WESTLEY HOTEL & BAR
CA5000251 · 25 served
WESTLEY MARKET
CA5000250 · 25 served
WESTLEY PROPERTY LLC
CA5000577 · 25 served
WESTMINSTER CERAMICS
CA3000768 · 25 served
WESTMINSTER WOODS CAMP
CA4901095 · 168 served
WESTMORELAND'S
CA2400054 · 25 served
WESTMORLAND, CITY OF
CA1310008 · 2,202 served
WESTPORT COUNTY WATER DISTRICT
CA2300730 · 369 served
WESTRIDGE
CA1009034 · 54 served
WESTRIDGE COMMUNITY SERVICE DISTRICT
CA1400029 · 99 served
WESTSHORE APARTMENTS
CA1700665 · 25 served
WESTSIDE & CHERRY VALLEY RAILW
CA5500169 · 500 served
WESTSIDE COMPRESS
CA1000373 · 60 served
WESTSIDE GROCERY
CA4700819 · 25 served
WESTSIDE GROCERY, INC.
CA2400326 · 54 served
WESTSIDE HARVESTING
CA1009214 · 72 served
WESTSIDE HARVESTING, LLC
CA1600022 · 53 served
WESTSIDE HOUSING & ECO. NETWORK
CA1009026 · 100 served
WESTSIDE INDUSTRIAL CENTER
CA1502656 · 32 served
WESTSIDE LOCKERS
CA1600264 · 25 served
WESTSIDE PARK MUTUAL WATER
CA1900102 · 495 served
WESTSIDE SCHOOL
CA1300578 · 90 served
WESTSIDE SCHOOL
CA1000290 · 398 served
WESTSIDE STORAGE WATER SYSTEM
CA4901408 · 77 served
WESTSIDE UNION SCHOOL HDQT
CA1900116 · 25 served
WESTSIDE WATER DISTRICT
CA2500556 · 64 served
WESTSIDE WATER DISTRICT
CA4700588 · 0 served
WESTUCKY WATER ASSOC
CA5700649 · 33 served
WESTWARD HO MOBILE HOME PARK
CA5000073 · 100 served
WESTWARD HO SERVICE COMPANY
CA3301745 · 170 served
WESTWIND MOBILE HOME PARK
CA1700584 · 104 served
WESTWOOD C.S.D.
CA1810002 · 1,662 served
WETSEL-OVIATT LUMBER CO
CA0900409 · 300 served
WHALE GULCH SCHOOL
CA2300847 · 60 served
WHALE ROCK WATER SUPPLY - INACTIVE
CA4000738 · 25 served
WHEATLAND HIGH SCHOOL
CA5800912 · 500 served
WHEATLAND PARK ESTATES
CA5800821 · 26 served
Wheel-er In Family
090600131 · 74 served
WHEEL-ER INN TLR PARK-BIA
CA3600369 · 277 served
WHEELER CREST CSD
CA2600714 · 86 served