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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APTOS HIGH SCHOOL
CA4400750 · 1,348 served
APTOS HILLS MUTUAL WATER CO
CA4400634 · 32 served
APTOS RIDGE MUTUAL WATER CO
CA4400684 · 52 served
AQUA J. MUTUAL WATER COMPANY
CA1900936 · 158 served
AQUAPURE
CA3107313 · 200 served
AR-BAN CHAPPARAL
CA4700815 · 35 served
ARABIAN GARDENS
CA3301021 · 555 served
ARASTRADERO MUTUAL WATER COMPANY
CA4300804 · 0 served
ARASTRAVILLE SCHOOL-HANDICAPPE
CA5500131 · 1 served
ARBOGA SCHOOL
CA5800846 · 217 served
ARBOR MOBILE HOME PARK WS
CA3900831 · 340 served
ARBUCKLE GOLF CLUB
CA0600042 · 126 served
ARBUCKLE PUBLIC UTILITY DISTRICT
CA0610001 · 2,778 served
ARBUCKLE RICHMOND HUNTING CLUB
CA0600017 · 53 served
ARCATA REDWOOD CO.-VALLEY GREEN
CA1200734 · 20 served
ARCATA, CITY OF
CA1210001 · 20,875 served
ARCH MOTEL
CA1100402 · 14 served
ARCHIES CAFE
CA3900575 · 36 served
ARCO AM PM - PIXLEY
CA5403151 · 1,000 served
Arco AM/PM #6377
CA3601104 · 25 served
ARCO AM/PM #82211
CA2000766 · 200 served
ARCO AMPM
CA3601119 · 500 served
ARCO AMPM #42924
CA1504009 · 156 served
ARCO BRAWLEY AND HWY 180
CA1000652 · 25 served
ARCO SERVICE
CA2800678 · 25 served
ARCO SERVICE STATION
CA3600547 · 25 served
ARCO STATION
CA2700957 · 25 served
ARCO STATION
CA4900779 · 25 served
ARCO STATION #595*
CA3901201 · 100 served
ARCOHE ELEM SCHOOL - EAST CAMPUS
CA3400442 · 280 served
ARCOHE ELEM SCHOOL - MAIN CAMPUS
CA3400271 · 465 served
ARCTIC COLD
CA4200983 · 623 served
ARCULARIUS RANCH
CA2600588 · 35 served
ARDAGH GLASS, INC
CA2000660 · 384 served
ARDEN DEE POTTER
CA5300060 · 240 served
ARDEN MANOR REC & PARK DISTRICT
CA3400237 · 25 served
ARDEN OREGGIA
CA2701041 · 40 served
Arellano MHP
090600023 · 30 served
ARENA COVE TRAILER PARK
CA2300787 · 170 served
ARENA WAY APARTMENTS
CA2400129 · 25 served
Arizona Village
090400300 · 3,211 served
ARLINGTON ELEMENTARY SCHOOL
CA2500903 · 37 served
ARLINGTON HEIGHTS MHP
CA3200127 · 33 served
ARMED FORCES RESERVE CENTER
CA3010710 · 0 served
ARMENDARIZ WATER SYSTEM
CA1502588 · 20 served
ARMENIAN CHURCH CAMP
CA1000151 · 218 served
ARMONA COMMUNITY SERVICES DIST
CA1610001 · 4,143 served
ARMONA UNION ACADEMY
CA1600238 · 175 served
Armory Trailer Park
CA3200145 · 35 served
ARMOUR & CO NO 1
CA4800516 · 135 served