Browse Water Systems

19,626 public water systems in CA.

Public Water Systems Database

Browse 19,626 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
DAYLOR WILLIAM CA3400252 California Transient Non-Community 400
GOLD ARROW CAMP CA1000158 California Transient Non-Community 400
TOM ADCOCK CA2701711 California Community 400
GATEWAY OF THE AMERICAS CA1310018 California Community 400
POINT ARENA WATER WORKS NO 1 CA2300561 California Community 400
PLA-VADA PROP OWNERS ASSOC CA2900509 California Transient Non-Community 400
HOMETOWN COLONIAL ESTATES LLC CA3400217 California Community 400
Camp Yolijwa CA3600757 California Transient Non-Community 400
MONTEREY BAY ACADEMY CA4400755 California Community 400
PIONEER MARKET CA2000638 California Transient Non-Community 400
CERES SPORTS ARENA CA5000434 California Transient Non-Community 400
OLIVET ELEMENTARY SCHOOL CA4900699 California Non-Transient Non-Community 400
PLAINFIELD ELEM SCHOOL - WATER CA5700643 California Non-Transient Non-Community 400
REDWOODS WATER SYSTEM CA2203020 California Transient Non-Community 400
CSA 51 CA3301381 California Community 400
MCHA Felix Torres (Planada) CA2400112 California Non-Transient Non-Community 400
DEPT OF PARKS & RECREATION CA1400050 California Transient Non-Community 400
SUNSET VISTA ESTATES MHP CA1600002 California Community 400
RAYTHEON COMPANY CA5602502 California Transient Non-Community 400
NAPA VALLEY COUNTRY CLUB CA2800588 California Non-Transient Non-Community 400
ANHEVSER BUSCH CA4800711 California Transient Non-Community 400
SYCAMORE CANYON GOLF COURSE CA1502745 California Transient Non-Community 400
C-store 090605166 California Transient Non-Community 400
HIDDEN HOLLOW MHC AZ0403362 California Community 400
CALIFORNIA CANNERS & GROWERS CA4300607 California Transient Non-Community 400
AGUA CALIENTE COUNTY PARK CA3700846 California Transient Non-Community 400
BASALT ROCK COMPANY CA2800577 California Transient Non-Community 400
BUNDY CANYON CHRISTIAN SCHOOL CA3302019 California Non-Transient Non-Community 400
REDWOODS WATER SYSTEM CA2200020 California Transient Non-Community 400
GGNRA-FORT FUNSTON CA3810701 California Transient Non-Community 400
CAMANCHE HILLS HUNTING PRESERVE, INC. CA0300058 California Transient Non-Community 400
GILROY FOODS, GILROY EAST PLANT CA4300609 California Non-Transient Non-Community 400
KAY'S RESORT CA0300050 California Transient Non-Community 400
PACIFIC COAST PACKING CORP CA0000008 California Transient Non-Community 400
LAKE VERA M.W.C. CA2900545 California Transient Non-Community 400
MONARCH NUT COMPANY CA5403140 California Non-Transient Non-Community 400
GSA TECATE PORT OF ENTRY CA3710048 California Non-Transient Non-Community 400
WIENERSCHNITZEL CA3901120 California Transient Non-Community 400
LAKE SHERWOOD CA5603102 California Community 400
ACTON LA NORTH KOA CA1900092 California Transient Non-Community 400
ROYAL OAK CA5700536 California Community 400
CSP-MENDOCINO WOODLANDS CA2310313 California Transient Non-Community 400
LAKE FOREST WATER CO CA3100028 California Community 400
CITIZENS UTILITIES CO CA3410117 California Community 400
WEST FRESNO MIDDLE SCHOOL CA1000219 California Non-Transient Non-Community 400
GREEN HILLS COUNTRY CLUB WATER CA4100500 California Transient Non-Community 400
CO OF SAN JOAQUIN CA3900955 California Transient Non-Community 400
WEST GOSHEN MUTUAL WATER CO CA5400957 California Community 400
CHESTER HIGH SCHOOL CA3200089 California Transient Non-Community 400
TWIN HILLS SCHOOL DIST-APPLE BLOSSOM SCH CA4900710 California Non-Transient Non-Community 400