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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SAN DIMAS CANYON IMPROVMENT ASSOCIATION
CA1900064 · 125 served
San Felipe Water System
090600115 · 52 served
SAN FERNANDO-CITY, WATER DEPT.
CA1910143 · 23,946 served
SAN FRANCISCO INTERNATIONAL AIRPORT
CA3810010 · 183,386 served
SAN FRANCISCO REGIONAL WATER SYSTEM
CA3810001 · 600 served
SAN FRANCISCO VENTURE
CA4100514 · 20 served
SAN GABRIEL COUNTY CLUB
CA1900097 · 25 served
SAN GABRIEL COUNTY WD
CA1910144 · 39,345 served
SAN GABRIEL VALLEY FAMILY CENTER
CA2600581 · 50 served
SAN GABRIEL VALLEY WATER CO-MONTEBELLO 1
CA1910189 · 9,630 served
SAN GABRIEL VALLEY WATER CO-MONTEBELLO 2
CA1910117 · 7,330 served
SAN GABRIEL VALLEY WATER CO.-EL MONTE
CA1910039 · 248,000 served
SAN GABRIEL VALLEY WC - FONTANA
CA3610041 · 237,700 served
SAN GREGORIO COMPANY
CA4100566 · 32 served
SAN JACINTO STATE PARK
CA3301599 · 100 served
San Jacinto Travel Center
CA3302103 · 50 served
SAN JACINTO, CITY OF
CA3310032 · 18,950 served
SAN JERARDO COOP WS
CA2701904 · 249 served
SAN JOAQUIN CO, DPT PUBLIC WKS
CA3910016 · 400 served
SAN JOAQUIN COUNTRY CLUB
CA1000412 · 50 served
SAN JOAQUIN COUNTRY CLUB
CA1000292 · 250 served
SAN JOAQUIN COUNTY
CA3901009 · 300 served
SAN JOAQUIN COUNTY - COLONIAL HEIGHTS
CA3910002 · 1,841 served
SAN JOAQUIN COUNTY - LINCOLN VILLAGE
CA3910010 · 5,841 served
SAN JOAQUIN COUNTY - THORNTON
CA3910009 · 964 served
SAN JOAQUIN COUNTY - WILKINSON MANOR
CA3910024 · 851 served
SAN JOAQUIN COUNTY AVIATION
CA3900741 · 200 served
SAN JOAQUIN COUNTY SCHOOLS
CA3901118 · 57 served
SAN JOAQUIN COUNTY-MOKELUMNE ACRES
CA3910017 · 3,802 served
SAN JOAQUIN COUNTY-RAYMUS VILLAGE
CA3910014 · 1,086 served
SAN JOAQUIN DELTA FARMS
CA3901154 · 40 served
SAN JOAQUIN ESTATES MUTUAL WATER COMPANY
CA1500575 · 165 served
SAN JOAQUIN EXPERIMENTAL RANGE
CA2000826 · 26 served
SAN JOAQUIN FAIR - 2ND DISTRICT
CA3910302 · 110 served
SAN JOAQUIN LIVESTOCK
CA5401021 · 25 served
SAN JOAQUIN RIVER BLUFF ESTATES
CA2000235 · 60 served
SAN JOAQUIN RIVER CLUB INC
CA3910018 · 600 served
SAN JOAQUIN VALLEY NATIONAL CEMETERY
CA2400200 · 30 served
SAN JOAQUIN WATER WORKS #2
CA3901092 · 310 served
SAN JOAQUIN WINE COMPANY
CA2000920 · 90 served
SAN JOAQUIN, CITY OF
CA1010034 · 4,060 served
SAN JOSE ACADEMY
CA3302064 · 40 served
SAN JOSE FAMILY CAMP
CA5500145 · 230 served
SAN JOSE HIGHLANDS
CA4300552 · 400 served
SAN JOSE MEAT COMPANY
CA4300734 · 72 served
SAN JOSE STATE UNIVERSITY
CA4310028 · 34,861 served
SAN JOSE WATER
CA4310011 · 1,039,920 served
SAN JUAN BAUTISTA, CITY OF
CA3510002 · 2,335 served
SAN JUAN CAPISTRANO
CA3000930 · 30 served
SAN JUAN ESTATES WS
CA2702494 · 35 served