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 FULLERTON
CA3010010 · 139,461 served
CITY OF GARDEN GROVE
CA3010062 · 174,226 served
CITY OF GILROY
CA4310004 · 59,203 served
CITY OF GRASS VALLEY
CA2910001 · 4,947 served
CITY OF GRIDLEY
CA0410004 · 7,269 served
CITY OF GROVER BEACH PUBLIC WORKS DEPT
CA4010004 · 12,701 served
CITY OF GUSTINE
CA2410003 · 6,110 served
CITY OF HAYWARD
CA0110006 · 162,954 served
CITY OF HUNTINGTON BEACH
CA3010053 · 201,000 served
CITY OF INDUSTRY WATERWORKS SYSTEMS
CA1910029 · 6,158 served
CITY OF JACKSON
CA0310001 · 5,019 served
CITY OF LA HABRA
CA3010018 · 63,118 served
CITY OF LA PALMA
CA3010100 · 15,948 served
CITY OF LATHROP
CA3910015 · 35,080 served
CITY OF LINCOLN
CA3110004 · 54,538 served
CITY OF LINCOLN
CA3110104 · 20 served
CITY OF LINCOLN - ZONE B
CA3110030 · 0 served
CITY OF LIVE OAK
CA5110001 · 9,285 served
CITY OF LIVERMORE
CA0110011 · 38,892 served
CITY OF LIVINGSTON
CA2410004 · 14,894 served
CITY OF LOS BANOS
CA2410005 · 47,419 served
CITY OF LOYALTON
CA4610001 · 983 served
CITY OF MADERA
CA2010002 · 66,560 served
CITY OF MARTINEZ
CA0710006 · 30,997 served
CITY OF MERCED
CA2410009 · 93,692 served
CITY OF MERCED WWTP
CA2400348 · 30 served
CITY OF MILLBRAE
CA4110018 · 22,795 served
CITY OF MILPITAS
CA4310005 · 81,773 served
CITY OF MODESTO - CENTRAL TURLOCK
CA5010035 · 119 served
CITY OF MODESTO - DEL RIO
CA5010029 · 1,327 served
CITY OF MODESTO - GRAYSON
CA5010033 · 914 served
CITY OF MODESTO - NORTH TURLOCK
CA5010034 · 172 served
CITY OF MODESTO - SALIDA
CA5010005 · 14,537 served
CITY OF MODESTO - SOUTH TURLOCK
CA5010023 · 1,099 served
CITY OF MODESTO - WALNUT MANOR
CA5010031 · 175 served
CITY OF MODESTO EXDE EMPIRE
CA5010002 · 0 served
CITY OF MODESTO, EXDE COFFEE VILLAGE
CA5010024 · 0 served
CITY OF MODESTO, EXDE HAMMETT
CA5010036 · 0 served
CITY OF MODESTO, EXDE HWY VILLAGE
CA5010011 · 0 served
CITY OF MODESTO, EXDE LINCOLN
CA5010027 · 0 served
CITY OF MODESTO, EXDE OSTERBERG
CA5010015 · 0 served
CITY OF MODESTO, EXDE SHERWOOD FOREST
CA5010022 · 0 served
CITY OF MODESTO, EXDE SO. MOD. TRACT
CA5010016 · 0 served
CITY OF MODESTO, EXDE W. MODESTO
CA5010003 · 0 served
CITY OF MORGAN HILL
CA4310006 · 47,374 served
CITY OF MOUNTAIN HOUSE
CA3910027 · 24,948 served
CITY OF MOUNTAIN VIEW
CA4310007 · 81,501 served
CITY OF NEVADA CITY
CA2910002 · 3,148 served
CITY OF NEWMAN-WATER DEPARTMENT
CA5010013 · 12,207 served
CITY OF NEWPORT BEACH
CA3010023 · 68,572 served