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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CSP FOLSOM LK SRA NIMBUS RES
CA3110306 · 2 served
CSP FOLSOM LK SRA RATLSNK BAR
CA3110303 · 25 served
CSP GARDEN CLUB AMERICA
CA1210313 · 150 served
CSP GREEN HILL MT DIABLO ST P
CA0710301 · 25 served
CSP HALF MOON BAY STATE PARK
CA4110302 · 25 served
CSP HEATHERINGTON
CA0710303 · 25 served
CSP HENRY W. COE STATE PARK
CA4310300 · 898 served
CSP HOLLISTER HILLS SVRA
CA3510302 · 1,220 served
CSP INDIAN BEACH
CA2110307 · 25 served
CSP INVERNESS RIDGE
CA2110306 · 2 served
CSP KINGS BEACH SRA
CA3110300 · 25 served
CSP LA PURISIMA MISSION
CA4210301 · 342 served
CSP LABS & MICRO PARADOX
CA5105013 · 95 served
CSP LAKE OROVILLE-LOAFER CREEK
CA0410302 · 153 served
CSP LAKE OROVILLE-SPILLWAY
CA0410300 · 25 served
CSP MALAKOFF DIGGINS
CA2910301 · 2 served
CSP MARSHALL GOLD DISCOVERY
CA0910304 · 1,643 served
CSP MEADOW-MILLERTON SRA
CA2010302 · 25 served
CSP MITCHELL CANYON MT DIABLO
CA0710302 · 25 served
CSP MT TAMALPAIS-SUMMIT
CA2110308 · 2,049 served
CSP PORTOLA STATE PARK
CA4110310 · 10 served
CSP RICHARDSON GROVE SP
CA1210306 · 25 served
CSP SADDLE MOUNTAIN
CA4410307 · 120 served
CSP SADDLE MOUNTAIN PROPERTY
CA4400900 · 120 served
CSP SAN SIMEON CREEK ST BEACH
CA4010302 · 8 served
CSP SMITHE REDWOODS
CA2310309 · 25 served
CSP SONOMA COAST S. B.
CA4910301 · 25 served
CSP STANDISH HICKEY SRA EAST
CA1210326 · 11 served
CSP TRINIDAD STATE BEACH
CA1210301 · 25 served
CSP WEAVERVILLE JOSS HOUSE
CA5310300 · 95 served
CSP WILDER RANCH STATE PARK
CA4410300 · 25 served
CSP- KIRKWOOD ENTRANCE
CA4410308 · 1,154 served
CSP-ANDERSON MARSH STATE PARK
CA1710302 · 100 served
CSP-ANDREW MOLERA STATE RESERVE
CA2710301 · 1,005 served
CSP-ANZA BORREGO-BOW WILLOW RANGER STATI
CA3710307 · 0 served
CSP-ANZA BORREGO-ELEPHANT TREE
CA3710303 · 0 served
CSP-ARMSTRONG REDWOODS STATE RESERVE
CA4910306 · 611 served
CSP-ARROYO SECO TRAIL CAMP
CA3710314 · 0 served
CSP-AUSTIN CREEK (BULLFROG POND CAMP)
CA4910307 · 100 served
CSP-BOTHE-NAPA VALLEY STATE PARK
CA2810301 · 565 served
CSP-CLEARLAKE STATE PARK
CA1710301 · 8 served
CSP-CUYAMACA-GRANITE SPRINGS
CA3710310 · 4,200 served
CSP-DARK GULCH STATE PARK
CA2310307 · 5 served
CSP-DIMMICK WAYSIDE CAMPGROUND
CA2310306 · 400 served
CSP-DYAR CITY SCHOOL CAMP
CA3710313 · 0 served
CSP-FISK MILL STATE PARK
CA4910311 · 100 served
CSP-FORT ROSS STATE PARK
CA4910309 · 3,501 served
CSP-FREMONT PEAK
CA3510300 · 250 served
CSP-GOAT ROCK STATE BEACH
CA4910313 · 402 served
CSP-HENDY WOODS STATE PARK
CA2310303 · 236 served