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.

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System Name PWSID State Type Population Served
PARKVIEW MUTUAL WATER CO INC CA3000646 California Community 65
LOMA MAR MUTUAL CA4100512 California Community 65
DELANO GROWERS GRAPE PRODUCTS CA1502066 California Non-Transient Non-Community 65
LOS ANGELES, CITY OF - CASTAIC PWR PLANT CA1910443 California Non-Transient Non-Community 65
INYO COUNTY PWD - LAWS TOWN CA1400525 California Non-Transient Non-Community 65
GARLEN COURT WS CA2700686 California Community 65
ENZA ZADEN RESEARCH CA3500927 California Non-Transient Non-Community 65
J & L MARKET CA0600063 California Transient Non-Community 65
DAVIS CAMP *CL 10/08 CA0707578 California Community 65
SUNCREST MHP NC0111148 California Community 65
RANCH ROAD ESTATES MUTUAL WATER COMPANY CA1400031 California Community 65
KIRKWOOD CAMPGROUND CA0300076 California Transient Non-Community 65
CALIFORNIA YOUTH AUTHORITY CA0000321 California Community 65
LIBERTY BAPTIST CHURCH CA5000426 California Transient Non-Community 65
LATROBE ELEMENTARY SCHOOL CA0900410 California Non-Transient Non-Community 65
SOLEDAD TRAILER LODGE CA1900033 California Transient Non-Community 65
THE INDIAN WATER SYSTEM CA5400925 California Transient Non-Community 65
RIDGEWAY PINE MUTUAL WATER COM CA0300003 California Transient Non-Community 65
SEAWEST TEHACHAPI, INC. CA1502770 California Non-Transient Non-Community 65
COUNTRY VILLA APARTMENTS CA0400056 California Community 64
PACIFIC WOODTECH CA5200655 California Non-Transient Non-Community 64
JOAN HASKINS CA4700866 California Community 64
MOORLAND AVENUE APARTMENTS CA4901195 California Community 64
SILVER CREEK SUMMER HOME TRACT CA3103666 California Transient Non-Community 64
PHOENIX LAKE GOLF CLUB CA5500208 California Transient Non-Community 64
RURAL WATER COMPANY - INACTIVE CA4000550 California Community 64
HARRIS MORAN SEED COMPANY CA4810030 California Non-Transient Non-Community 64
WESTSIDE WATER DISTRICT CA2500556 California Community 64
TITUS WINERY CA2800057 California Transient Non-Community 64
PIONEER PLACE MWS CA2701956 California Community 64
ELKHORN SALOON CA5700577 California Transient Non-Community 64
LAUREL COMMUNITY LEAGUE CA4400528 California Community 64
ST. PETERS CATHOLIC CEMETERY CA1000647 California Transient Non-Community 64
WEGIS MUTUAL WATER COMPANY CA1502600 California Community 64
FRAZIER NUT FARMS, INC. CA5000530 California Non-Transient Non-Community 64
JS WEST MILLING CO HILMAR RANCH CA2400345 California Non-Transient Non-Community 64
BUCK MEADOWS LODGE CA2200056 California Transient Non-Community 64
COUNTRY CLUB COUNTY WD CA2400128 California Community 64
LOS LAURELES GR WATER SYS #3 CA2700827 California Community 64
GRACIANNA WINERY CA4901395 California Transient Non-Community 64
SILVER CREEK CA2000829 California Transient Non-Community 64
LOCKHEED MARTIN SPACE SYSTEMS CA4400801 California Non-Transient Non-Community 64
LEAFWOOD COMMUNITY WA CA2700624 California Community 64
SNELLING MERCED FALLS SCHOOL CA2400062 California Non-Transient Non-Community 64
MELITA HEIGHTS MUTUAL WATER COMPANY CA4900551 California Community 64
PALOMINO ESTATES WATER COMPANY CA1206002 California Community 64
IV DESERT MUSEUM SOCIETY INC. CA1300667 California Transient Non-Community 64
B N HAWLEY TOWNE CA4500105 California Community 64
AUBURN CONTAINER - BANK CAL CA3100109 California Transient Non-Community 64
MEYERS COURT CA5800806 California Community 64