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
MOKELUMNE MOBILE SENIOR PARK CA3900719 California Community 55
FRENCHMAN DAM TRAILER PARK CA3200146 California Transient Non-Community 55
ELEVATE ADDICTION SERVICES CA4400903 California Transient Non-Community 55
COUNTRY WESTERN MHRV CA5000080 California Community 55
RIM ROCK WATER COMPANY CA4000750 California Community 55
SUNSET VIEW ESTATES TX1910025 California Community 55
CHALK HILL WINERY CA4901390 California Non-Transient Non-Community 55
HUMBOLDT WOODLANDS MUTUAL CA0400149 California Community 55
MDF-AMBROSE CA2500530 California Transient Non-Community 55
O'BANION ROAD MARKET CA5101203 California Transient Non-Community 55
GEMPERLE EGG RANCH CA2400343 California Non-Transient Non-Community 55
SIERRA CASCADE NURSERY CA1805005 California Non-Transient Non-Community 55
EL RIO CLUB WATER SYSTEM CA5101010 California Transient Non-Community 55
LITTLE BALDY WATER CA1900158 California Community 55
GRANDE MOBILE MANOR CA4000645 California Community 55
WAGON WHEEL PLAZA CA1907013 California Transient Non-Community 55
PHILPOT CAMPGROUND CA5305302 California Transient Non-Community 55
LAKE BERRYESSA BOY SCOUT CAMP CA2800638 California Transient Non-Community 55
MARINA LANDFILL WS CA2702453 California Non-Transient Non-Community 55
FREEMARK ABBEY WINERY CA2800561 California Non-Transient Non-Community 55
EDANNES MOBILE HOME PARK MT0000039 California Community 55
TOM & MARY MCKELLAR CA2300559 California Community 55
AMERICAN BORATE CORP 2 CA1400091 California Transient Non-Community 55
MCAVOY YACHT HARBOR CA0707532 California Transient Non-Community 55
KORTHS PIRATES LAIR CA3400135 California Community 55
SOUTH BUTTE ROPERS, INCORPORATED CA5101207 California Transient Non-Community 55
KIM SON MONASTERY CA4400851 California Transient Non-Community 55
VIKING RV PARK CA1000454 California Community 55
JOYS MOBILE HOME PARK CA0400031 California Community 55
VALENZUELA WATER SYSTEM CA3500527 California Community 55
MONTEBELLO SD - MONTEBELLO SCHOOL CA4300762 California Non-Transient Non-Community 55
PHILPOT CAMPGROUND CA5300108 California Transient Non-Community 55
MANSFIELD INN MOTEL OH7043712 California Transient Non-Community 55
CARDINAL VILLAGE RESORT CA1400067 California Transient Non-Community 55
SAINT ANNE'S CROSSING WINERY CA4900911 California Transient Non-Community 55
CACHAGUA MUTUAL WS (#4) CA2701888 California Community 55
PADJUNES PROFESSIONAL CENTER CA2902399 California Transient Non-Community 55
FINNLEES TRAILER PARK CA3900705 California Community 55
COMSTOCK WINERY CA4901423 California Transient Non-Community 55
HARMONY MOBILE HOME PARK CA0400037 California Community 55
OCTAGON, THE CA2202084 California Transient Non-Community 55
AMBROSE WELL CA2500902 California Transient Non-Community 55
Jack Norton School 090600741 California Non-Transient Non-Community 55
SIMPSON TIMBER COMPANY SAW CA0800720 California Transient Non-Community 55
MEADOWLARK MOBILE HOME PARK MT0000082 California Community 55
YOSEMITE INN CA5500122 California Community 55
TRAILS END RESORT CA1000163 California Transient Non-Community 55
NAPA COUNTY ANIMAL SHELTER CA2800300 California Transient Non-Community 55
DEL MONTE FARMS RD WS #03 CA2700541 California Community 55
HULL CREEK CAMPGROUND CA5500185 California Transient Non-Community 55