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
LOON LAKE CAMPGROUND CA0901230 California Transient Non-Community 125
KANAWHA VILLAGE MHP CA1100509 California Community 125
LAKE FULMOR - USFS CA3301902 California Transient Non-Community 125
FOLEY FAMILY WINES CHATEAU ST. JEAN CA4900957 California Non-Transient Non-Community 125
HARRIS FARMS INC/CAMP C CA1000090 California Transient Non-Community 125
OUTSIDE CREEK SCHOOL CA5400972 California Non-Transient Non-Community 125
LAWLEY CONTRACTING CA1009040 California Transient Non-Community 125
LIBITZKY CA5000141 California Non-Transient Non-Community 125
SNUG HARBOR RV LP CA4800561 California Community 125
Saint Elizabeth Hospital CA5200673 California Non-Transient Non-Community 125
SEQUOIA FOREST INDUSTRIES CA1000301 California Transient Non-Community 125
DESERT DUNES GOLF CLUB LTD CA3301388 California Non-Transient Non-Community 125
BOSCH BAHA'I SCHOOL CA4400560 California Transient Non-Community 125
FIRE SUPPRESSION CAMP #19 CA1900901 California Community 125
NEW HOPE LANDING GENERAL STORE CA3900664 California Community 125
Los Molinos Elementary School CA5200601 California Non-Transient Non-Community 125
SPANISH LAKES MUTUAL WATER CO CA4000789 California Community 125
MOBILE PLAZA PARK CA5000051 California Community 125
OLLIE FRAZIER CA1100547 California Transient Non-Community 125
E & J GALLO WINERY-SONOMA CA4901252 California Non-Transient Non-Community 124
ACTIS GARDEN WATER SYSTEM CA1500432 California Transient Non-Community 124
TAHOE CITY PUD - GLENRIDGE CA0910024 California Transient Non-Community 124
SIERRA WOODS LODGE CA3107318 California Transient Non-Community 124
NIMBUS FISH HATCHERY CA3410801 California Non-Transient Non-Community 124
CHEMHUEVI INDIAN TRIBE CA3600362 California Community 123
LOCKEFORD MOBILE HOME PARK WTR SYS CA3900682 California Community 123
PANTHER FLAT CAMPGROUND CA0800665 California Transient Non-Community 123
CLEAR RIDGE WA CA2701898 California Community 123
CDFA-MOUNTAIN PASS JPOE AIS CA3610131 California Transient Non-Community 123
OAK KNOLLS MUTUAL WATER COMPANY CA1500465 California Community 123
SKYWATCHERS PARK CA3301784 California Community 123
COVINA HIGHLANDS W/C CA1900661 California Community 123
BETHEL ISLAND MUTUAL WATER CO CA0707572 California Community 123
CAL FIRE - MOUNTAIN HOME CNSRVTN CAMP CA5410800 California Community 123
ST NICHOLAS RANCH & RETREAT CA1000377 California Non-Transient Non-Community 123
DRAPER ESTATES WATER SYSTEM TX2270058 California Community 123
YOSEMITE BUG HOSTEL CA2210927 California Transient Non-Community 122
PLAINSBURG ELEMENTARY SCHOOL CA2400065 California Non-Transient Non-Community 122
CWS-GRAND OAKS WATER SYSTEM CA1500374 California Community 122
BOISSET - BUENA VISTA WINERY CA4901393 California Transient Non-Community 122
CAPRI MOBILE VILLA CA4900681 California Community 122
LONG CANYON WATER COMPANY CORP. CA1500578 California Community 122
NEVADA ID - SMARTSVILLE CA5810005 California Community 122
CHIMNEY ROCK WINERY CA2801077 California Transient Non-Community 122
CENTRO MEDICO OASIS CA3301143 California Non-Transient Non-Community 122
CAL AM - SECURITY PARK CA3410027 California Non-Transient Non-Community 122
HOLLISTER SDA CHRISTIAN SCHOOL CA3510011 California Non-Transient Non-Community 122
CAMP ELK CA1900080 California Transient Non-Community 121
RIVER OASIS CA3301642 California Transient Non-Community 121
STOWE RESERVOIR CAMPGROUND CA2500703 California Transient Non-Community 121