Browse Water Systems

20,012 public water systems in CA.

Public Water Systems Database

Browse 20,012 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
CROOKHAM SCHOOL CA2400069 California Transient Non-Community 350
TRES PINOS CWD CA3500509 California Community 350
MOUNTAIN JACKS MI2000828 California Non-Transient Non-Community 350
HENSLEY LAKE - HIDDEN DAM CA2000555 California Transient Non-Community 350
HERNDON-BARSTOW SCHOOL CA1000108 California Non-Transient Non-Community 350
GREEN RIVER MUTUAL WATER CO. CA4000554 California Community 350
SAC CITY MOBILE HOME COMMUNITY LP CA3400296 California Community 350
SIERRA PACIFIC INDUSTRIES - WINDOWS CA5201143 California Non-Transient Non-Community 350
CALAVERAS BIG TREES SP, NORTH GROVE CA0510302 California Transient Non-Community 350
SUNSET WEST COMMUNITY LLC CA1000378 California Community 350
BUTTONWILLOW RACEWAY PARK CIRCUIT CA1504014 California Transient Non-Community 350
CALTRANS-MASSACK REST STOP CA3200009 California Transient Non-Community 350
SIERRA PACIFIC INDUSTRIES - RICHFIELD CA5201055 California Non-Transient Non-Community 350
MUSCO FAMILY OLIVE CO CA3901429 California Non-Transient Non-Community 348
THREE PALMS MOBILEHOME PARK CA1000299 California Community 347
CHEMEKETA PARK MUTUAL WATER COMPANY CA4300517 California Community 346
DIXON MIGRANT CENTER CA4800804 California Non-Transient Non-Community 346
SHAVER LAKE HEIGHTS WATER ASSN CA1000069 California Community 345
BEN KUTCH CA0707538 California Non-Transient Non-Community 345
BIG BEND CAMPGROUND CA2600596 California Transient Non-Community 345
SHERWOOD MOBILE HOME PARK TX0610061 California Community 345
SANTA YSABEL RANCH MWC CA4000802 California Community 344
CAL AM - RAYMOND CA2010012 California Community 343
CSP LA PURISIMA MISSION CA4210301 California Transient Non-Community 342
EL CAPITAN MIDDLE SCHOOL CA1000205 California Non-Transient Non-Community 342
NAVELENCIA SCHOOL CA1000193 California Non-Transient Non-Community 342
COLONIAL PARK CA4900721 California Community 342
AVERYDALE MUTUAL CA1900506 California Community 342
ARBOR MOBILE HOME PARK WS CA3900831 California Community 340
WILLIAM G LANDRY CA1100541 California Transient Non-Community 340
JOHNS MANVILLE CA1100232 California Non-Transient Non-Community 340
SHARONDALE MESA HOA CA3301879 California Community 340
DEL ORO WATER CO.-MAGALIA CA0410009 California Community 340
TOOLEVILLE MUTUAL NON PROFIT WATER ASSN CA5400567 California Community 340
SEQUOIA FOREST INDUSTRIES CA5402049 California Community 340
RIVER SHORE ESTATES-BIA CA3600366 California Community 340
SAN ANTONIO MOBILE HOME PARK CA3301380 California Community 340
LEISURE PINES MUTUAL WATER CO CA5500053 California Community 340
VISTA PARK MUTUAL WATER CO CA1500036 California Community 340
PONDEROSA CSD CA5400934 California Community 340
VERDE VALE ELEMENTARY SCHOOL CA4500193 California Non-Transient Non-Community 340
SISAR MUTUAL WATER CO CA5601120 California Community 340
LIGHT HOUSE MARINA CA3400136 California Transient Non-Community 340
SOUTH COAST INN CA4200717 California Transient Non-Community 339
MORGAN HILL USD-GWINN SCHOOL CA4300600 California Non-Transient Non-Community 339
PORTERVILLE-JONES CORNER CA5410048 California Community 339
TRINITY KNOLLS MUTUAL WATER COMPANY CA5301102 California Community 338
WASHINGTON SCHOOL CA2400071 California Non-Transient Non-Community 338
YMCA CAMP MARSTON/RAINTREE CA3700912 California Community 338
ALDERCROFT HEIGHTS COUNTY WATER DISTRICT CA4300516 California Community 338