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
RANCHO MARKET CA2000531 California Transient Non-Community 152
CHITACTAC-ADAMS COUNTY PARK CA4300991 California Transient Non-Community 152
SUMMIT MUTUAL WATER COMPANY CA4400559 California Community 152
QUAIL VALLEY RECREATIONAL VILLAGE CA5400703 California Transient Non-Community 152
PIER 1900 HOMEOWNER'S ASSOCIATION CA1700630 California Community 152
FOLSOM LAKE SRA - MISSISSIPPI BAR CA3410301 California Transient Non-Community 152
GUN RIVER ESTATES WEST MI0040029 California Community 152
MARIN SIERRA BOY SCOUTS OF AMERICA CA2900549 California Transient Non-Community 151
BAPTIST CHRISTIAN CAMP OF CA CA5800831 California Transient Non-Community 151
SALT CREEK SUMMER HOMES CA4500018 California Transient Non-Community 151
ANTLERS RESORT & RV PARK CA4500053 California Transient Non-Community 151
SUN VALLEY RICE COMPANY CA0605007 California Non-Transient Non-Community 151
LIBERTY 1ST WARD MEETING HOUSE CA0409193 California Transient Non-Community 151
BUD ANTLE, LLC- MARINA FACILITY WS CA2700998 California Non-Transient Non-Community 151
HOSOKAWA BEPEX CORPORATION CA4900882 California Non-Transient Non-Community 151
SONOMA STATE U.-FAIRFIELD OSBORN PRES CA4901265 California Transient Non-Community 151
BLACK BUTTE LK, ORLAND BUTTES CAMPGROUND CA1100642 California Transient Non-Community 151
DONNER MINE CAMP INC CA2900569 California Transient Non-Community 151
SONOMA RANCH MUTUAL WATER COMPANY CA4900843 California Community 151
ACRES MOBILE HOME PARK WA5315794 California Community 150
SOLANO IRRIGATION DIST CA4800765 California Community 150
ROSSETTIS INN CA0500048 California Transient Non-Community 150
BSA/CAMP MIRIMICHI CA1000159 California Transient Non-Community 150
SUNRISE COVE MARINA NO. 1 GA1390076 California Transient Non-Community 150
CHINA LAKE NAVAL AIR - SOUTH RANGE CA1503678 California Non-Transient Non-Community 150
FRED FRICK CA1502466 California Community 150
BEVERLY ACRES CA1900107 California Community 150
HOP KILN WINERY CA4901348 California Transient Non-Community 150
CLUB PHEASANT CA5700575 California Transient Non-Community 150
BONITA VISTA MUTUAL WATER CO CA3300148 California Community 150
MCHENRY MOBILE MANOR CA5000050 California Community 150
SUGAR BARGE MARINA CA0707592 California Transient Non-Community 150
WALTER ALBERT CA5205810 California Transient Non-Community 150
COUNTY OF IMPERIAL CA1300582 California Transient Non-Community 150
TAMARACK MUTUAL WATER COMPANY CA3301660 California Community 150
PLACER COUNTY WATER AGENCY CA3110107 California Community 150
COLLEGEVILLE MARKET & CAFE CA3900965 California Transient Non-Community 150
BUTTES MUTUAL WATER COMPANY CA1500580 California Community 150
HARMONY RIDGE MARKET CA2901528 California Transient Non-Community 150
ADAM'S MARKET CA1000650 California Transient Non-Community 150
COAST PACKING CO CA0000003 California Transient Non-Community 150
Merced RV and Truck Stop-CLOSED CA2400100 California Transient Non-Community 150
MCCONNEL STATE PARK CA2400096 California Transient Non-Community 150
NICHOLSON RANCH WINERY CA4901274 California Transient Non-Community 150
TWO RIVERS SPORT CAMP CA3200205 California Transient Non-Community 150
SIERRA NEVADA BUILDING CA0900508 California Transient Non-Community 150
RITE OF PASSAGE/SIERRA RIDGE CA0500091 California Community 150
YOSEMITE NPS-VOGELSANG CA2210509 California Transient Non-Community 150
VALLEY TOMATO PRODUCTS CA3900737 California Transient Non-Community 150
FEMINO'S BLUE GUM CAFE CA1100207 California Transient Non-Community 150