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
FAWN & STONEY CR CAMPGROUNDS CA5300070 California Transient Non-Community 800
RUSHVILLE COUNTY MARKET IL3138156 California Transient Non-Community 800
WEST VALLEY COUNTY WATER DISTRICT CA1909006 California Community 798
PONDEROSA BASIN MUTUAL WTR CO CA2210002 California Community 798
DAGGETT COMM SVCS DIST CA3600086 California Community 795
TAHOE CITY PUD - TAHOE CEDARS CA3110013 California Community 793
BIG PINE CSD CA1410006 California Community 792
COLE ELEMENTARY SCHOOL CA1000397 California Non-Transient Non-Community 787
DOWNIEVILLE PUBLIC U.D. CA4610002 California Community 783
JUBILEE MWC CA3600139 California Community 782
CEDAR CREEK CAMPGROUND CA1502669 California Transient Non-Community 780
COUNTY WATER COMPANY CA1900582 California Community 780
LAKE OF THE WOODS MWC CA1510023 California Community 779
SAN LUIS HILLS CA2400209 California Community 779
MOUNTAIN MESA WC CA1510042 California Community 777
STERLING MUTUAL WATER COMPANY CA1900163 California Community 775
FRESNO COUNTY WATER WORKS CA1010050 California Community 774
HIDDEN SPRINGS CAMPGROUND CA1900770 California Transient Non-Community 770
JIREH PACKING GROUP - CUTLER CA5403145 California Non-Transient Non-Community 770
YUIMA MUNICIPAL WATER DISTRICT IDA CA3700938 California Community 769
RIVERSIDE CSA #122-MESA VERDE CA3310028 California Community 766
WHITEHAWK RANCH MWC CA3200102 California Community 765
MEADOWCREEK MUTUAL WATER COMPANY CA1400111 California Community 764
CAL AM WATER COMPANY - RYAN RANCH CA2701466 California Non-Transient Non-Community 764
PINE HILLS MUTUAL WATER COMPANY CA3700905 California Community 760
CENTRAL HIGH SCHOOL WEST CA1000217 California Non-Transient Non-Community 758
ODD FELLOWS RECREATION CLUB CA4910026 California Community 757
HURKEY CREEK - RIV. CO. PARKS CA3301564 California Transient Non-Community 756
PALI OVERNIGHT ADVENTURES CA3600597 California Non-Transient Non-Community 754
FOLSOM LAKE SRA - PENINSULA CAMPGROUND CA0910300 California Transient Non-Community 751
WOODSHIRE EAST MOBILE HOME PARK LTD CO0103853 California Community 751
ARMSTRONG RUBBER CO CA1600038 California Non-Transient Non-Community 750
CLOVIS HILLS COMMUNITY CHURCH CA1000556 California Non-Transient Non-Community 750
BEACON BAR AND LIQUORS CA1502001 California Transient Non-Community 750
YOSEMITE VIEW LODGE CA2210926 California Non-Transient Non-Community 750
EL DORADO IRRIGATION DISTRICT CA0910009 California Community 750
STATE HOSPITAL - #3 CA3900986 California Community 750
TAHOE PARK WATER COMPANY CA3110018 California Community 750
LOS ALAMOS COMMUNITY SERVICES CA4200535 California Community 750
LOS PARIENTES CA0400169 California Transient Non-Community 750
DIXON HOUSING AUTHORITY MIGRAN CA4800607 California Transient Non-Community 750
LATTER DAY SAINTS CHURCH (L.D.S. CHURCH) CA5000450 California Non-Transient Non-Community 750
SANTA BARBARA BUSINESS PARK CA4200710 California Non-Transient Non-Community 750
RIVERDALE VILLAGE CA1500452 California Community 750
RICHARDSON GROVE CAMPGROUND & RV PARK CA1200597 California Transient Non-Community 750
CON AGRA CA5000260 California Non-Transient Non-Community 750
VISTA VILLAGE MHP CO0107810 California Community 750
SUN MAID GROWERS OF CALIFORNIA CA1000381 California Non-Transient Non-Community 750
MARINERS CROSSING APARTMENTS NC4392235 California Community 750
CVUSD, OASIS SCHOOL *OOB* CA3301152 California Non-Transient Non-Community 750