Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

Browse Water Systems

20,002 public water systems in CA.

Public Water Systems Database

Browse 20,002 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

Clear
System Name PWSID State Type Population Served
LEMOORE, CITY OF CA1610005 California Community 27,185
CITY OF BENICIA CA4810001 California Community 27,131
EUREKA, CITY OF CA1210004 California Community 27,078
GSWC-SOUTH ARCADIA CA1910212 California Community 27,072
BRAWLEY, CITY OF CA1310001 California Community 26,862
SAN DIEGO MOUNTAIN LODGE CA3701567 California Transient Non-Community 26,641
MONTEBELLO LAND & WATER CO. CA1910091 California Community 26,554
GALT, CITY OF CA3410011 California Community 26,536
CWS - SELMA CA1010024 California Community 26,517
HI DESERT WD CA3610073 California Community 26,411
LIBERTY UTILITIES - COMPTON CA1910021 California Community 26,371
CITY OF SANGER CA1010029 California Community 26,357
GSWC-SOUTH SAN GABRIEL CA1910223 California Community 26,240
BIG BEAR LAKE DWP - BIG BEAR SYSTEM CA3610044 California Community 26,132
REEDLEY, CITY OF CA1010027 California Community 26,076
HOLLISTER, CITY OF CA3510001 California Community 26,017
WINDSOR, TOWN OF CA4910017 California Community 25,561
CITY OF SOUTH PASADENA CA1910154 California Community 25,329
SUNNY SLOPE WATER CO. CA1910157 California Community 25,252
LOMA LINDA, CITY OF CA3610013 California Community 25,129
DHS BORDER PATROL HWY 94 CHECKPOINT CA3710053 California Non-Transient Non-Community 25,083
AUERBACH FARMS CA3700044 California Non-Transient Non-Community 25,068
NORCO, CITY OF CA3310025 California Community 25,068
ANTELOPE VALLEY POPPY RESERVE STATE PARK CA1910303 California Transient Non-Community 25,007
COACHELLA VALLEY CWD CA3310053 California Community 25,000
ORCHARD DALE WATER DISTRICT CA1910101 California Community 25,000
SUNNYSLOPE COUNTY WATER DIST CA3510003 California Community 24,954
CITY OF MOUNTAIN HOUSE CA3910027 California Community 24,948
CITY OF SEAL BEACH CA3010041 California Community 24,937
RIVERBANK, CITY OF CA5010018 California Community 24,834
CAL-AM WATER COMPANY - DUARTE CA1910186 California Community 24,773
LIBERTY UTILITIES - LYNWOOD CA1910161 California Community 24,701
CALICO GHOST TOWN CA3600036 California Transient Non-Community 24,623
LA COCINA CA3301275 California Transient Non-Community 24,524
PHELAN PINON HILLS CSD CA3610120 California Community 24,285
KERN COUNTY CIVIC CENTER CA1502310 California Non-Transient Non-Community 24,000
SAN FERNANDO-CITY, WATER DEPT. CA1910143 California Community 23,946
GOLDEN STATE WATER COMPANY - BAY POINT CA0710002 California Community 23,731
COACHELLA VALLEY CWD CA3310061 California Community 23,650
RAINBOW MUNICIPAL WD CA3710016 California Community 23,536
PATTERSON, CITY OF CA5010017 California Community 23,304
OAKDALE, CITY OF CA5010014 California Community 23,235
VALLEY OF THE MOON WATER DISTRICT CA4910013 California Community 23,107
EL MONTE-CITY, WATER DEPT. CA1910038 California Community 22,968
CORCORAN, CITY OF CA1610004 California Community 22,808
CITY OF MILLBRAE CA4110018 California Community 22,795
CWS - NORTH GARDEN CA1510055 California Community 22,762
WASCO, CITY OF CA1510021 California Community 22,757
SOUTH FEATHER W&P - MINERS RANCH CA0410006 California Community 22,664
MENLO PARK MUNICIPAL WATER CA4110017 California Community 22,362