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
MAYWOOD MOBILE HOME PARK CA5200556 California Community 140
DE CARLI RANCH WATER SYSTEM CA3900806 California Community 140
THE ROCK CHURCH CA3400422 California Transient Non-Community 140
SON SHINE PROPERTIES CA1502040 California Community 140
MCHA ATWATER CENTER-CLOSED CA2400110 California Non-Transient Non-Community 140
SHERIFF/CORONER DEPT CA3000821 California Transient Non-Community 140
FAR EAST APARTMENTS POOL CA5000344 California Community 140
RAM'S GATE WINERY CA4901120 California Non-Transient Non-Community 140
BROOKTRAILS IMPROVEMENT DIST CA2300593 California Community 140
REDWOOD ADVENTIST ACADEMY CA4900890 California Non-Transient Non-Community 140
KENWOOD SCHOOL DISTRICT CA4900691 California Non-Transient Non-Community 140
RIO VIENTO RV CAMP [SWS] CA3400420 California Transient Non-Community 140
D&A WAREHOUSING LLC ID7100187 California Non-Transient Non-Community 140
CAL FIRE - VALLEY VIEW C.C CA1110800 California Non-Transient Non-Community 140
NORTHSHORE RV RESORT INC CA3601168 California Transient Non-Community 140
WILLOW PASS MOBILE HOME *CL 1/07-INACTIV CA0707624 California Community 140
D G M WATER CO CA1500505 California Community 140
EL DORADO IMPROVEMENT CORP CA0900534 California Transient Non-Community 140
LA CIMA CONSERVATION CAMP CA7300410 California Community 140
COLUSA MOBILE TRAILER PARK CA0600035 California Community 140
GRANTS PASS MOBILE HOME PARK LLC OR4101175 California Community 140
LA CIMA CONSERVATION CAMP CA0000410 California Community 140
HARLEY H STITES CA1500343 California Community 140
ELDERS TRAILER PARK CA3100065 California Community 140
GREELEY HILL ELEMENTARY SCHOOL CA2200031 California Transient Non-Community 140
PLASKETT RECREATIONAL AREA CA1100554 California Transient Non-Community 140
GRAN CIELO MUTUAL WATER COMPANY CA4000853 California Community 139
MATANZAS CREEK WINERY CA4901248 California Non-Transient Non-Community 139
ELKHORN BOAT LAUNCH [SWS] CA3400123 California Transient Non-Community 138
CWS - MULLEN WATER COMPANY CA5400935 California Community 138
OAKHURST MOBILE HOME ESTATES CA2000593 California Community 138
MESA GRANDE CAMPGROUND CA3301427 California Transient Non-Community 138
SPORTSMANS PARADISE CA1300622 California Community 138
HARVEST MOON MUTUAL WATER CO CA1500546 California Community 138
LAKE TULLOCH CAMPGRD & MARINA CA5500049 California Transient Non-Community 138
ROSA MORADA MUTUAL WATER COMPANY CA3500549 California Community 138
MAGNOLIA MHP NC0145172 California Community 138
SIERRA GRANDE ESTATES MUTUAL WATER CO. CA1400070 California Community 138
COAST SPRINGS WATER COMPANY CA2100503 California Community 138
PLAINVIEW MWC - CENTRAL WATER CA5400682 California Community 138
EL NIDO MOBILE HOME PARK CA2400053 California Community 137
CASCADEL MUTUAL WATER SYSTEM CA2000509 California Community 137
AHWAHNEE HILLS SCHOOL CA2000617 California Community 137
RIVERBEND MOBILE HOME & RV PARK CA1000426 California Community 137
CEDAR VALLEY MUTUAL WATER CO CA2000538 California Community 137
Round Valley Hidden Oaks Casino and Restaurant 090605177 California Non-Transient Non-Community 137
STANDIFORD MHP WATER SYSTEM CA5000064 California Community 136
USFS - AH-DI-NA CAMPGROUND CA4500310 California Transient Non-Community 136
FETZER VINEYARDS CA2300852 California Non-Transient Non-Community 136
SIERRA CHRISTIAN CAMP CA5401099 California Transient Non-Community 136