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
DEL ORO WATER CO - METROPOLITAN DISTRICT CA1000057 California Community 92
AMISTAD CA5700515 California Transient Non-Community 92
MCCOY RD WS #05 CA2701040 California Community 92
CHARLES SAMPLEY CA1502400 California Transient Non-Community 92
MAURLAND MANOR WATER SYSTEM CA3900543 California Community 92
TEHAMA ECOLOGY CENTER CA7300403 California Community 92
CORTLAND PINES MUTUAL WATER CO CA4500009 California Community 92
DAVIS MIGRANT CENTER (CIUDAD DEL SOL) CA5700539 California Non-Transient Non-Community 91
EBRPD - SUNOL REGIONAL WILDERNESS CA0105012 California Transient Non-Community 91
ENCINAL RD WS #01 CA2701241 California Community 91
SNO BOWL WATER CO CA5500078 California Community 91
HOOT OWL CREEK/ALEX. VALLEY VINEYARDS JV CA4901135 California Non-Transient Non-Community 91
GREENHEART FARMS CA4000211 California Non-Transient Non-Community 91
SIERRA VILLAGE CA5500093 California Community 91
LIVINGSTON PROPERTIES CA2400249 California Transient Non-Community 91
THE MADRONES CA2300970 California Transient Non-Community 91
LELAND CREEK-WATER SYSTEM CA5500028 California Transient Non-Community 91
SILVER OAK WINE CELLARS LLC CA4901374 California Non-Transient Non-Community 91
DOUBLE R TRAILER PARK CA3301220 California Community 90
SAN JOAQUIN WINE COMPANY CA2000920 California Non-Transient Non-Community 90
TULARCITOS MWC CA2701800 California Community 90
PORTERVILLE DRIVE IN CA5400973 California Transient Non-Community 90
BULL CREEK RES AND TRAILER CA1210309 California Transient Non-Community 90
RAMEY VINEYARDS CA4901417 California Transient Non-Community 90
R L BUTTON CA5700602 California Transient Non-Community 90
MC MAHON TRAILER PARK CA4600057 California Transient Non-Community 90
CLARK STREET COMMUNITY WELL CA1502056 California Community 90
OKI NURSERY INC CA3400291 California Transient Non-Community 90
STONESTREET WINERY CA4901259 California Non-Transient Non-Community 90
MENDOCINO PRESBYTERIAN CHURCH CA2301010 California Non-Transient Non-Community 90
METTLER COUNTY WATER DISTRICT CA1500401 California Community 90
AIRPORT INDUSTRIAL PARK CA4500274 California Non-Transient Non-Community 90
CRESTMORE VILLAGE #2 CA1900149 California Community 90
TOM KARSHNESKI CA5300127 California Community 90
TWILIGHT MOBILE HOME PARK CA3400185 California Community 90
CARRY TRACT WATER ASSOC CA3000751 California Community 90
MR JOE FRANCE CA0706002 California Community 90
NIELSEN TRAILER PARK CA2700996 California Community 90
WESTSIDE SCHOOL CA1300578 California Non-Transient Non-Community 90
OLD STAGE ROAD WATER SYSTEM 10 CA2701504 California Community 90
ANOOSHVAN WATER SYSTEM CA1000002 California Community 90
JO'S GALLEY CA4500176 California Transient Non-Community 90
SUNNYGEM HULLING & SHELLING OPERATIONS CA1503578 California Transient Non-Community 90
CSP CALIFORNIA STATE PARKS CA1910300 California Transient Non-Community 90
BUTERA FINER FOODS ELGIN IL3133686 California Transient Non-Community 90
SADDLEBACK MUTUAL WATER CO. CA5200645 California Community 90
GAMBI WATER SYSTEM CA1200713 California Community 90
VINEYARD ESTATES MWC CA3500579 California Community 90
WEST COTTONWOOD APARTMENTS CA4500247 California Community 90
MARY SMITH CAMPGROUND CA5301109 California Transient Non-Community 90