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
CALPORTLAND ORO GRANDE PLANT CA3601061 California Non-Transient Non-Community 150
PATTERSON PROFESSIONAL PLAZA CA4200655 California Non-Transient Non-Community 150
DORNER FAMILY VINEYARDS CA1503677 California Transient Non-Community 150
PETERSONS CORNER WATER SYSTEM CA2900595 California Transient Non-Community 150
COUNTY MAINTENANCE CA3900956 California Transient Non-Community 150
SECURITY MHP CO0121750 California Community 150
SHADY REST TRAILER COURT CA3900755 California Community 150
FEMINO'S BLUE GUM CAFE CA1100207 California Transient Non-Community 150
SUNRISE COVE MARINA NO. 1 GA1390076 California Transient Non-Community 150
SUNRISE COVE MARINA NO.2 GA1390034 California Transient Non-Community 150
ADKINS HILL VILLAGE OK3004711 California Community 150
BIDART BROTHERS - SOUTH MINTER CA1502754 California Non-Transient Non-Community 150
CAMP LODESTAR CA0500026 California Transient Non-Community 150
HERB FLEMING CA2700888 California Community 150
Grindstone Rancheria 090605004 California Community 150
YOSEMITE NPS-WAWONA CA2210510 California Community 150
EVERETT S HILLIARD CA2700895 California Community 150
NORTHRIDGE ELEMENTARY SCHOOL CA0900405 California Transient Non-Community 150
CAMP RUCKER LAKE CA2900516 California Transient Non-Community 150
CAL FIRE BASELINE CONSERVATION CAMP CA5510852 California Community 150
SILVER PONY SCHOOL CA2800665 California Transient Non-Community 150
BAKERSFIELD 420 CLUB CA1503392 California Transient Non-Community 150
WESTERN WATERWAYS CA4800754 California Transient Non-Community 150
SOLANO IRRIGATION DIST CA4800765 California Community 150
CAMP LIAHONA REDWOODS CA4901109 California Transient Non-Community 150
TWO RIVERS SPORT CAMP CA3200205 California Transient Non-Community 150
FAIRWAY WATER CO CA5401098 California Community 150
YOSEMITE NPS-VOGELSANG CA2210509 California Transient Non-Community 150
DOUGLAS MORRIS CAMP #65-46 CA3900879 California Transient Non-Community 150
LAKE PILLSBURY RESORT & MARINA INC CA1700599 California Transient Non-Community 150
KINGDOM HALL OF JEHOVAH'S WITNESSES, BER CA3106491 California Transient Non-Community 150
LIA HONA CLUB L.D.S. CA5500140 California Transient Non-Community 150
MIDLAND SCHOOL CA4200618 California Community 150
BUHACH PENTECOST HALL CA2400034 California Transient Non-Community 150
KLINK CITRUS ASSOC CA5400900 California Transient Non-Community 150
CALPLANT I, LLC CA1105004 California Non-Transient Non-Community 150
COLLEGEVILLE MARKET & CAFE CA3900965 California Transient Non-Community 150
JOSTEN S CA5400901 California Transient Non-Community 150
YMCA CAMP HIGH SIERRA CA2600582 California Transient Non-Community 150
FOSTER ROAD MUTUAL WATER COMPANY CA4200556 California Community 150
VISTA PT ROAD SIDE SPRING CA4500034 California Transient Non-Community 150
HARMONY RIDGE MARKET CA2901528 California Transient Non-Community 150
LAKE MC CLURE BOAT CLUB MHP CA2200064 California Transient Non-Community 150
WESTERN NOMADS CA5100171 California Transient Non-Community 150
WALKER RANCH CSD CA3205001 California Community 150
AUSTIN CREEK MUTUAL (SPRINGHILL) CA4900630 California Community 150
KERN ENERGY CA1502771 California Non-Transient Non-Community 150
RITE OF PASSAGE/SIERRA RIDGE CA0500091 California Community 150
BUTANO CANYON MUTUAL CA4100503 California Community 150
CACHE CREEK MOBILE HOME PARK CA1700581 California Community 150