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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CSA 29 MIDWAY PARK
CA3601163 · 28 served
CSA 42 ORO GRANDE
CA3600220 · 529 served
CSA 51
CA3301381 · 350 served
CSA 62
CA3301577 · 614 served
CSA 70 W-3 HACIENDA
CA3600114 · 611 served
CSA 70 W-4 PIONEERTOWN
CA3600196 · 470 served
CSA 70-F MORONGO
CA3600226 · 300 served
CSA NO. 31 STONEGATE WS
CA3500006 · 230 served
CSP - ALLENSWORTH
CA5410300 · 100 served
CSP - ANGEL ISLAND ST PARK
CA2110302 · 1,622 served
CSP - ANO NUEVO STATE PARK
CA4100575 · 709 served
CSP - BALE GRIST MILL STATE HISTORIC PAR
CA2810300 · 185 served
CSP - BIG BASIN STATE PARK
CA4410301 · 3,029 served
CSP - BODIE SHP
CA2610300 · 271 served
CSP - CASTLE ROCK
CA4410302 · 200 served
CSP - FORT TEJON
CA1510301 · 155 served
CSP - LAKE PERRIS SRA BERNASCONI
CA3310300 · 0 served
CSP - MARCONI CONFERENCE CENTER
CA2110304 · 120 served
CSP - MT TAM EAST PEAK SYSTEM
CA2110305 · 75 served
CSP - MT TAM THEATRE WELL
CA2110301 · 504 served
CSP - PORTOLA STATE PARK
CA4100527 · 181 served
CSP - RANCHO DEL OSO
CA4410306 · 669 served
CSP - RED ROCK CANYON
CA1510300 · 404 served
CSP - SAMUEL TAYLOR ST PARK
CA2110300 · 310 served
CSP - SUNSET STATE BEACH
CA4410303 · 700 served
CSP - TOMALES BAY ST PARK
CA2110303 · 503 served
CSP - TREE FARM
CA4410305 · 27 served
CSP - TULE ELK
CA1510302 · 105 served
CSP ANO NUEVO STATE RESERVE
CA4110304 · 0 served
CSP BENICIA STATE PARK
CA4810300 · 191 served
CSP BIG TREE SYSTEM
CA1210323 · 742 served
CSP BULL CREEK RESIDENCE 14
CA1210316 · 25 served
CSP BUTANO STATE PARK
CA4110309 · 0 served
CSP CALIFORNIA STATE PARKS
CA1910300 · 90 served
CSP CALIFORNIA STATE PARKS
CA1210304 · 25 served
CSP CALIFORNIA STATE PARKS
CA2410300 · 25 served
CSP CALIFORNIA STATE PARKS
CA2710303 · 95 served
CSP CALIFORNIA STATE PARKS
CA3110301 · 25 served
CSP CALIFORNIA STATE PARKS
CA3110302 · 27 served
CSP CALIFORNIA STATE PARKS
CA4210300 · 25 served
CSP CALIFORNIA STATE PARKS
CA4810301 · 54 served
CSP CALIFORNIA STATE PARKS
CA5210300 · 25 served
CSP CALIFORNIA STATE PARKS
CA5610300 · 25 served
CSP CASTLE ROCK STATE PARK
CA4410314 · 187 served
CSP CASWELL STATE PARK
CA3910300 · 186 served
CSP CLEAR LAKE STATE PARK
CA1710300 · 25 served
CSP CRYSTAL LAKE FISH HATCHERY
CA4510350 · 50 served
CSP FISK MILL STATE PARK
CA4910315 · 25 served
CSP FOLSOM LK SRA GOOSE FLAT
CA3110304 · 25 served
CSP FOLSOM LK SRA NIMBUS RES
CA3110305 · 16 served