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
FAIRVIEW SCHOOL CA5400843 California Non-Transient Non-Community 410
TANNERY GULCH CAMPGROUND CA5301110 California Transient Non-Community 410
Table Mountain Upper 090605133 California Community 410
BEESINGER WATER SYSTEM CA2700510 California Community 410
HHW&P MOCCASIN COMPOUND-SFPUC CA3810003 California Community 410
ORANGE CENTER SCHOOL CA1000276 California Non-Transient Non-Community 410
PALO VERDE COUNTY WATER DIST. CA1300616 California Community 410
LEISURE MOBILE HOME PARK CA4900832 California Community 410
Round Valley Piner 090605015 California Community 409
BALLS FERRY FISHING RESORT CA4500054 California Community 408
Big Sandy Rancheria 090600121 California Community 408
TRIPLE R MUTUAL WATER CO CA5400670 California Community 408
JOSHUA TREE NP - BLACK ROCK CANYON CA3310502 California Transient Non-Community 407
MID - BARRETT COVE CA2209035 California Transient Non-Community 407
JOSEPH GALLO CHEESE CO. CA2400206 California Non-Transient Non-Community 407
VOLTA COMMUNITY SD CA2400201 California Community 406
CHRISTIAN LIFE ASSEMBLY WATER SYSTEM CA1503646 California Transient Non-Community 406
FOREST PARK MWC CA3600107 California Community 406
SONOMA COUNTY CSA 41-JENNER CA4900532 California Community 406
LODI USD-HOUSTON SCHOOL CA3900850 California Non-Transient Non-Community 405
ACTON ELEMENTARY SCHOOL CA1900960 California Transient Non-Community 405
MYOMA DUNES MUTUAL WATER COMPA CA3301453 California Community 405
PAUL REIFF & SONS CA5700644 California Transient Non-Community 405
LAGUNA VISTA SCHOOL/OCEANVIEW SCHOOL DIS CA5602403 California Non-Transient Non-Community 404
CSP - RED ROCK CANYON CA1510300 California Transient Non-Community 404
THOUSAND TRAILS OAKZANITA INC. CA3700873 California Transient Non-Community 404
JH RANCH CA4700807 California Transient Non-Community 403
JOSAN AND JOSAN, INC. CA1000520 California Transient Non-Community 402
CSP-GOAT ROCK STATE BEACH CA4910313 California Transient Non-Community 402
MOONEY GROVE PARK CA5400951 California Transient Non-Community 402
LAS CUMBRES MUTUAL WATER CO CA4400631 California Community 402
STONE LAGOON-STATE PARKS CA1210321 California Transient Non-Community 402
FRESNO HMONG ALLIANCE CHURCH CA1000406 California Transient Non-Community 402
KOA - PETALUMA CA4900737 California Transient Non-Community 401
KERN CO P&R-LAKE WOOLLOMES WATER SYSTEM CA1502319 California Transient Non-Community 401
HARBIN HOT SPRINGS CA1700511 California Non-Transient Non-Community 401
WEST PARK SCHOOL CA1000209 California Non-Transient Non-Community 400
FIGARDEN ELEMENTARY SCHOOL CA1000203 California Non-Transient Non-Community 400
RAISIN CITY SCHOOL CA1000195 California Non-Transient Non-Community 400
LATON ELEMENTARY SCHOOL CA1000188 California Non-Transient Non-Community 400
BROOKWOOD MOBILE HOME PARK CA4900687 California Community 400
LUTHER BURBANK CTR FOR APTS CA4900685 California Transient Non-Community 400
GATEWAY OF THE AMERICAS CA1310018 California Community 400
FOWLER HIGH SCHOOL CA1000403 California Non-Transient Non-Community 400
AMADOR CHRISTIAN CENTER CA0300064 California Transient Non-Community 400
CAMANCHE HILLS HUNTING PRESERVE, INC. CA0300058 California Transient Non-Community 400
KAY'S RESORT CA0300050 California Transient Non-Community 400
GILROY FOODS, GILROY EAST PLANT CA4300609 California Non-Transient Non-Community 400
ANGORA LAKES RESORT CA0900515 California Transient Non-Community 400
CALIFORNIA CANNERS & GROWERS CA4300607 California Transient Non-Community 400