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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CITY OF OAKDALE -KERR PARK
CA5000272 · 26 served
CITY OF OAKDALE AIRPORT WATER SYSTEM
CA5000106 · 25 served
CITY OF OAKDALE TREATMENT PLANT
CA5000430 · 25 served
CITY OF ORANGE
CA3010027 · 120,770 served
CITY OF ORANGE COVE
CA1010023 · 9,525 served
CITY OF ORLAND
CA1110001 · 8,298 served
CITY OF ORLAND, HAIGH FIELD PARK
CA1105003 · 30 served
CITY OF PALO ALTO
CA4310009 · 67,231 served
CITY OF PARLIER
CA1010025 · 14,576 served
CITY OF PASO ROBLES WATER DIVISION
CA4010007 · 31,176 served
CITY OF PITTSBURG
CA0710008 · 62,500 served
CITY OF PLEASANTON
CA0110008 · 76,689 served
CITY OF PORTOLA
CA3210003 · 2,100 served
CITY OF RED BLUFF
CA5210004 · 14,710 served
CITY OF REDDING
CA4510005 · 89,628 served
CITY OF REDWOOD CITY
CA4110022 · 92,819 served
CITY OF RIO VISTA
CA4810004 · 10,489 served
CITY OF RIVERBANK
CA3900801 · 500 served
CITY OF ROSEVILLE
CA3110008 · 155,612 served
CITY OF SACRAMENTO
CA3400338 · 1,000 served
CITY OF SACRAMENTO MAIN
CA3410020 · 527,979 served
CITY OF SAN BRUNO
CA4110023 · 42,631 served
CITY OF SAN CLEMENTE
CA3010036 · 51,545 served
CITY OF SAN DIEGO - EL CAPITAN RESERVOIR
CA3705063 · 300 served
CITY OF SAN DIEGO, CAMP MORENA
CA3705061 · 200 served
CITY OF SAN JOSE
CA4300936 · 20 served
CITY OF SAN JOSE - EVG/EDV/COY
CA4310020 · 101,265 served
CITY OF SAN JOSE - NSJ/ALVISO
CA4310019 · 45,559 served
CITY OF SANGER
CA1010029 · 26,357 served
CITY OF SANTA ANA
CA3010038 · 310,539 served
CITY OF SANTA BARBARA WATER DEPARTMENT
CA4210010 · 99,323 served
CITY OF SANTA CLARA
CA4310012 · 130,746 served
CITY OF SANTA MARIA UTILITIES DEPARTMENT
CA4210011 · 109,477 served
CITY OF SANTA PAULA
CA5610011 · 31,018 served
CITY OF SEAL BEACH
CA3010041 · 24,937 served
CITY OF SHASTA LAKE
CA4510006 · 10,657 served
CITY OF SOUTH PASADENA
CA1910154 · 25,329 served
CITY OF STOCKTON
CA3910012 · 191,302 served
CITY OF SUNNYVALE
CA4310014 · 157,566 served
CITY OF SUSANVILLE
CA1810001 · 7,811 served
CITY OF TEHAMA
CA5200504 · 483 served
CITY OF THOUSAND OAKS WATER DEPARTMENT
CA5610020 · 53,157 served
CITY OF TUSTIN
CA3010046 · 66,600 served
CITY OF VACAVILLE
CA4810008 · 99,650 served
CITY OF VALLEJO
CA4810007 · 121,420 served
CITY OF VALLEJO-LAKES SYSTEM
CA4810021 · 2,800 served
CITY OF WATERFORD
CA5010006 · 8,788 served
CITY OF WEST SACRAMENTO
CA5710003 · 53,355 served
CITY OF WESTMINSTER
CA3010064 · 90,911 served
CITY OF WHEATLAND
CA5810004 · 4,124 served