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
CLARKSBURG COMM CHURCH CA5700804 California Non-Transient Non-Community 160
ESPERANZA RD WS CA2702615 California Non-Transient Non-Community 160
METTLER VALLEY MUTUAL CA1900100 California Community 160
CLEAR CREEK SCHOOL CA2900536 California Non-Transient Non-Community 160
LAKEVIEW IMPROVEMENT ASSOCIATION 1 CA1000071 California Transient Non-Community 160
CALIFORNIA DAIRIES INC TIPTON CA5403042 California Non-Transient Non-Community 160
SAINT FRANCIS WINERY-WILD OAK VINEYARDS CA4901255 California Non-Transient Non-Community 160
EMERALD ISLE TRAILER PARK CA3000758 California Community 160
MERVEL AVENUE EMPLOYEE HOUSING WS CA2400349 California Transient Non-Community 160
USN CAMP MICHAEL MONSOOR CA3710708 California Transient Non-Community 160
DRAGONFLY GOLF COURSE/WATER CA2000320 California Transient Non-Community 160
KEEFER CREEK ESTATES CA0400151 California Community 160
CLOVER FLAT ELEMENTARY SCHOOL CA3702364 California Non-Transient Non-Community 160
DHS BORDER PATROL I-8 CHECKPOINT CA3710052 California Non-Transient Non-Community 160
MITSUBISHI CEMENT PLANT CUSHENBURY CA3600141 California Non-Transient Non-Community 160
GREEN MEADOWS OUTDOOR SCHOOL CA2200059 California Transient Non-Community 160
GRACE COMMUNITY CHRISTIAN CHURCH CA5000532 California Transient Non-Community 160
BUTER FINER FOODS 005 ST CHARLES IL3132100 California Transient Non-Community 160
LAKE COTTONWOOD MOBILEHOME PAR CA3301156 California Community 160
PATTERSONS PUB CA2301004 California Transient Non-Community 160
USFS-TOIYABE, CHAS NAPES BLDG CA2610409 California Transient Non-Community 160
RODNEY STRONG VINEYARDS CA4900897 California Non-Transient Non-Community 160
GOLDEN STATE WATER CO - SAN JUAN OAKS CA3510008 California Community 159
MOOSE LODGE 1967 CA4800695 California Transient Non-Community 159
AQUA J. MUTUAL WATER COMPANY CA1900936 California Community 158
SIERRA PARK CA1900988 California Transient Non-Community 158
WILSON CIRCLE MUTUAL WATER COMPANY CA1400135 California Community 158
MUSICK CREEK TRACT ASSOCIATION CA1000058 California Transient Non-Community 158
ALFONSO CASTILLO CA5700621 California Transient Non-Community 158
ZAMORA SHELL & MINI MART CA5700815 California Transient Non-Community 158
AUSTIN CREEK STATE RECREATION CA4900849 California Transient Non-Community 158
APPLE VALLEY WATER RESOURCES CA3600021 California Community 158
ANDY'S PRODUCE MARKET, INC. CA4901118 California Non-Transient Non-Community 157
DEL LOMA RV PARK & CG CA5304113 California Transient Non-Community 157
CEDAR LAKE CAMP INC CA3600586 California Transient Non-Community 157
TUD - PHOENIX LAKE PARK CA5510025 California Community 157
GAS POINT MARKET CA4500347 California Transient Non-Community 157
THOMAS MOUNTAIN WATER COMPANY CA3301676 California Community 157
RUSSIAN RIVER VINEYARDS & RESTAURANT CA4900974 California Transient Non-Community 157
WM. & FRANCES BREWER CA5500118 California Community 157
BLACK'S STATION CA0300060 California Transient Non-Community 157
MCUSD - SIERRA FOOTHILL CHARTER SCHOOL CA2210907 California Non-Transient Non-Community 157
WOODS, THE (MENDOCINO) CA2300667 California Community 157
OID #52 - DEO GLORIA CA5000355 California Community 157
SEQUOIA CREST MUTUAL WATER COMPANY CA5400701 California Transient Non-Community 157
ARCO AMPM #42924 CA1504009 California Transient Non-Community 156
RIVERBANK LRA CA5000211 California Non-Transient Non-Community 156
LOWER LINE CREEK IMPRVMNT ASSN CA1000080 California Transient Non-Community 156
MK PROPERTIES CA1000621 California Transient Non-Community 156
SILVER CITY WATER CO. CA5401071 California Transient Non-Community 156