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
MCARTHUR MOBILEHOME PARK CA4500084 California Community 99
EAST TULE WATER DISTRICT CA4700890 California Community 99
OLANCHA ELEMENTARY SCHOOL CA1400042 California Transient Non-Community 99
PINE CREEK MILL DOMESTIC/PLANT CA1400126 California Non-Transient Non-Community 99
CALI LAKE RV RESORT CA1900975 California Community 99
HIGH SIERRA SPRINGS CA1400125 California Community 99
POOL WATER SYSTEM CA1400080 California Non-Transient Non-Community 99
ZELLHOEFER WATER SYSTEM CA1400097 California Transient Non-Community 99
LONE PINE CONVALESCENT HOSPITAL CA1400101 California Community 99
GOODALE CREEK CAMPGROUND CA1400533 California Transient Non-Community 99
NO NAME WATER SYSTEM CA1400105 California Transient Non-Community 99
CAIRDEAN WINERY CA2800111 California Transient Non-Community 99
PINE CREEK MILL DOMESTIC/MINE CA1400082 California Non-Transient Non-Community 99
Frontier Motel CA1400057 California Transient Non-Community 99
LILI VALLEY WATER CO. CA0500027 California Community 99
DUNROVIN MOBILE HOME VILLAGE CA0500068 California Community 99
ARMY CORP OF ENGINEERS CA5000431 California Transient Non-Community 99
SAND DOLLAR BEACH CSA 5 CA4400601 California Community 98
BUENA VISTA SCHOOL DISTRICT CA1502026 California Non-Transient Non-Community 98
EVERGREEN MUTUAL WATER COMPANY CA1900804 California Community 98
WATSONVILLE PRODUCE INC CA2700518 California Non-Transient Non-Community 98
UNION HEIGHTS MWC CA3500825 California Community 98
Upper Lake Hardisty System 090605025 California Community 98
FIVE POINTS RANCH CA1009020 California Community 98
CALAVERAS COUNTY WATER DIST-WI CA0500040 California Community 98
WINTERSBURG COMMUNITY CA3000723 California Community 98
HARRIS FARMS/HORSE BARN CA1000213 California Community 98
GORMAN ELEMENTARY SCHOOL CA1900912 California Non-Transient Non-Community 98
EDEN VALLEY IRRIGATION ASSOCIATION CA3100024 California Community 98
SILVERWOOD MHP #2 WATER SYSTEM CA5000081 California Community 98
CHRISTIAN BERETS CA5500142 California Transient Non-Community 98
GRIER MUTUAL WATER COMPANY CA5400728 California Community 98
SILVERWOOD MHP #1 WATER SYSTEM CA5000063 California Community 98
FLRISH FARMS WS CA2700147 California Non-Transient Non-Community 97
LONG BARN PROPERTY OWNERS CA5500057 California Community 97
VALLEY VIEW ESTATES MUTUAL WATER CO CA1500569 California Community 97
BIG SPRINGS MUTUAL WATER SYSTEM CA4500027 California Community 97
NINDES STORE VA6099300 California Community 97
WILBUR HOT SPRINGS CA0600016 California Transient Non-Community 97
SIKH TEMPLE MODESTO-CERES CA5000512 California Transient Non-Community 97
CALIFORNIA CITRUS ASSOCIATION CA5403106 California Non-Transient Non-Community 96
USFS-JERKEY MEADOW TRAILHEAD / UHL WC CA5403034 California Transient Non-Community 96
RED ROOSTER CAMP CA3301544 California Transient Non-Community 96
USFS BEARDSLEY CAMPGROUND CA5500358 California Transient Non-Community 96
SOUTH SANDS RV PARK TX0040062 California Transient Non-Community 96
UPPER LINE CREEK IMPRVMNT ASSN CA1000076 California Transient Non-Community 96
SAN CLEMENTE RANCHO WS CA2701325 California Transient Non-Community 96
VILLA ROBLES WATER SYSTEM CA3500929 California Transient Non-Community 96
CASTILE CANYON SCHOOL CA3302054 California Community 96
Yurok - Wautec 090600134 California Community 96