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.

Clear
System Name PWSID State Type Population Served
FRANK OSHITA CA2701060 California Community 60
MARIO DAVILA CA2701058 California Transient Non-Community 60
JERSEYDALE CAMPGROUND - USFS CA2205060 California Transient Non-Community 60
CROCODILE GRUNDIES CA5800889 California Transient Non-Community 60
FRANK VARGAS CA2701053 California Community 60
MRS CARMEN HOLMES CA2206027 California Transient Non-Community 60
LITTLE WILLARD'S CA5700513 California Transient Non-Community 60
SIERRA MEADOWS HOSPITAL CA2000640 California Non-Transient Non-Community 60
MERRILL FARMS CA2701049 California Transient Non-Community 60
THE TRAILHEAD CA0900554 California Transient Non-Community 60
LUCILLE SINGLETON CA5700635 California Transient Non-Community 60
PACIFIC CAFE CA4700678 California Transient Non-Community 60
CA DAIRIES, INC. D.B.A. LOS BANOS FOODS CA2400107 California Non-Transient Non-Community 60
USED PALLET COMPANY CA1000542 California Non-Transient Non-Community 60
REVERIE WINERY CA2800069 California Transient Non-Community 60
MARTIN MARIETTA SOUTHERN CALIF AGGREGATE CA1900018 California Non-Transient Non-Community 60
SAWYERS GENERAL STORE CA2000630 California Transient Non-Community 60
NORANDA GREY EAGLE MINE CA4700824 California Transient Non-Community 60
ECO SHELL CA5200802 California Non-Transient Non-Community 60
ELKHORN RANCH CA1900125 California Community 60
LASSEN LANDING CA4500329 California Transient Non-Community 60
RECREATION PLUS CA5301116 California Transient Non-Community 60
95 FOODMART #3 CA5700814 California Transient Non-Community 60
BERNIE JAMES, RANGER CA0300031 California Transient Non-Community 60
WHALE GULCH SCHOOL CA2300847 California Non-Transient Non-Community 60
JOHN MC CARTHY CA1502092 California Transient Non-Community 60
GRATON COMMERCE CENTER CA4901368 California Non-Transient Non-Community 60
LITTLEROCK LAKE RESORT CA1900737 California Transient Non-Community 60
HAPPY HARBOR (SWS) CA3400128 California Community 60
USFS LITTLEROCK CAMP V-10, LAKESIDE V-9 CA1900736 California Transient Non-Community 60
SIERRA PACIFIC MGT CORP CA5800116 California Community 60
WOOLF FARMING CORP CA1000215 California Transient Non-Community 60
TOKIS FOUNTAIN CA2900603 California Transient Non-Community 60
RIVER CREEK GOLF MAIN (INACTIVE) CA2000263 California Transient Non-Community 60
GOLD COUNTRY HOME PARK - WATER SYSTEM CA2900529 California Community 60
CANYON INN CA1909836 California Transient Non-Community 60
CT LIFE INSURANCE CO CA2800709 California Transient Non-Community 60
UPPER RUSH CREEK CAMPGROUND CA2500306 California Transient Non-Community 60
CASA TROPICAL CA5602601 California Transient Non-Community 60
ALL AMERICAN CANAL LINING PROJECT REACH CA1300674 California Non-Transient Non-Community 60
HANSON AGGREGATES WEST CA5602515 California Transient Non-Community 60
ATWOOD SINCLAIR CO0238008 California Transient Non-Community 60
BUTTE LODGE DUCK CLUB CA0600026 California Transient Non-Community 60
La Posta Lower Community 090600056 California Community 60
CALIFORNIA DEPARTMENT OF CORRE CA3400230 California Transient Non-Community 60
COUNTRY HILLS ESTATES CA4000637 California Community 60
LOPES TRAILER PARK CA5700585 California Community 60
COUNTRY BOY VINEYARDS CA3301815 California Transient Non-Community 60
USFS UPPER SALT/NELSON/OAK GRO CA4500266 California Transient Non-Community 60
SUNRISE TRAILER PARK-ART AZ0414392 California Community 60