California water providers — page 10
Find published drinking-water records, providers, and official agency resources for California. Review sources, sample dates, and coverage.
Official drinking-water resources
The responsible agency may differ for tribal systems. Record availability and sample dates vary by provider.
Community systems appear first. Sort: Population served · A–Z
Public water systems
7,406 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.
- Countryside Care CenterCA1000430 · CWS · Population served: 1,274
- Dwp - FawnskinCA3610022 · CWS · Population served: 1,271
- Sonoma County Csa 41-Fitch MountainCA4910010 · CWS · Population served: 1,265
- City of MontagueCA4710007 · CWS · Population served: 1,264
- Kettleman City CsdCA1610009 · CWS · Population served: 1,242
- Howell Mountain Mutual Water CompanyCA2810001 · CWS · Population served: 1,240
- Sbdno County Service Area 70 Cedar GlenCA3610026 · CWS · Population served: 1,240
- Rolling Green Utilities, Inc.CA1400010 · CWS · Population served: 1,225
- San Pasqual District A090605017 · CWS · Population served: 1,225
- Redway C.S.D.CA1210011 · CWS · Population served: 1,207
- Gerber Las Flores CsdCA5210002 · CWS · Population served: 1,200
- Slocsa #10a - CayucosCA4010901 · CWS · Population served: 1,200
- Usmc/Mtn Warfare Trng Ctr - BridgeportCA2610700 · CWS · Population served: 1,200
- Vineyard Ave Estates MwcCA5610056 · CWS · Population served: 1,200
- California Institution For WomenCA3610851 · CWS · Population served: 1,195
- Limoneira Ranch #1CA5601201 · CWS · Population served: 1,187
- Mt. Hermon Association, Inc.CA4410008 · CWS · Population served: 1,176
- Maxwell Public Utility DistrictCA0610003 · CWS · Population served: 1,175
- Cal Am - West San MartinCA4300543 · CWS · Population served: 1,173
- City of Blue LakeCA1210002 · CWS · Population served: 1,172
- Fairoaks PWS #44CA3901348 · CWS · Population served: 1,172
- Barona North090600118 · CWS · Population served: 1,171
- Camp Meeker Water SystemCA4910029 · CWS · Population served: 1,171
- Phoenix Lake Estates Cc MwcCA5510026 · CWS · Population served: 1,168
- Olympic Valley PsdCA3110020 · CWS · Population served: 1,165
- Sea Ranch Water Company,The (PUC)CA4910007 · CWS · Population served: 1,160
- Sonora Water Resources, IncCA5510024 · CWS · Population served: 1,154
- Laytonville County Water DistrictCA2310011 · CWS · Population served: 1,152
- Laton Community Services DistrictCA1010020 · CWS · Population served: 1,151
- Pine Grove Comm Serv DistCA0310005 · CWS · Population served: 1,141
- Cal Am Water Company - ChualarCA2701202 · CWS · Population served: 1,139
- Bellflower Home Garden Water CompanyCA1910012 · CWS · Population served: 1,129
- Usmc Nebo (BARSTOW)CA3610701 · CWS · Population served: 1,126
- Sonora Meadows Mutual Wtr CoCA5510023 · CWS · Population served: 1,123
- Big Basin Water CompanyCA4410001 · CWS · Population served: 1,120
- Bdvwa - Goat Mountain IdCA3610060 · CWS · Population served: 1,118
- Fcsa 34 - Millerton New TownCA1000484 · CWS · Population served: 1,117
- Wild Wings Golf CommunityCA5710011 · CWS · Population served: 1,115
- Cws Southlake SystemCA1510039 · CWS · Population served: 1,112
- Inyo County Pwd - IndependenceCA1410008 · CWS · Population served: 1,108
- Bakman Water-Rolling HillsCA2010009 · CWS · Population served: 1,107
- Cal Am Water Company - Hidden HillsCA2710022 · CWS · Population served: 1,106
- North Edwards WdCA1510052 · CWS · Population served: 1,105
- Happy Camp C.S.D.CA4710012 · CWS · Population served: 1,100
- City of Modesto - South TurlockCA5010023 · CWS · Population served: 1,099
- Glen Ivy Hot SpringsCA3301294 · CWS · Population served: 1,087
- San Joaquin County-Raymus VillageCA3910014 · CWS · Population served: 1,086
- Slo Csa No. 16 - ShandonCA4010028 · CWS · Population served: 1,085
- Waterford-River PointeCA5010042 · CWS · Population served: 1,079
- Hopland Public Utility DistrictCA2310010 · CWS · Population served: 1,076
- La Jolla Eastern090605007 · CWS · Population served: 1,076
- City of TrinidadCA1210018 · CWS · Population served: 1,072
- Barton Flats Water SystemCA3601048 · CWS · Population served: 1,070
- Bodega Bay Public Utility DistrictCA4910021 · CWS · Population served: 1,069
- Forest Lakes MwcCA4410016 · CWS · Population served: 1,067
- Cal Am Water Company - ToroCA2710021 · CWS · Population served: 1,065
- City of PlymouthCA0310004 · CWS · Population served: 1,060
- R-Wild Horse RanchCA5200864 · CWS · Population served: 1,055
- Monte Vista Christian SchoolCA4400754 · CWS · Population served: 1,051
- Sundale Mutual Water Company A, BCA1900563 · CWS · Population served: 1,050
- California-American Geyserville (PUC)CA4910024 · CWS · Population served: 1,046
- Fallsvale Service CompanyCA3610021 · CWS · Population served: 1,046
- Cal Am - GoldsideCA2010014 · CWS · Population served: 1,043
- Ccwd - West PointCA0510005 · CWS · Population served: 1,043
- Don Pedro Rec Ag:Flem.MeadowsCA5500048 · CWS · Population served: 1,041
- Indian Creek CsdCA1410005 · CWS · Population served: 1,030
- Kenwood Village Water Company (PUC)CA4910025 · CWS · Population served: 1,029
- Averydale MwcCA1910023 · CWS · Population served: 1,023
- Thousand Trails San Benito PreserveCA3500505 · CWS · Population served: 1,017
- Baker Community Services DistrictCA3600022 · CWS · Population served: 1,000
- Santa Rosa Rancheria090600148 · CWS · Population served: 1,000
- Veterans Home of CaliforniaCA2810008 · CWS · Population served: 1,000
- Yosemite Nps-Yosemite ValleyCA2210503 · CWS · Population served: 1,000
- Los Angeles Cwwd 40, Reg. 39-Rock CreekCA1910025 · CWS · Population served: 994
- Dempsey Road Mutual Water CoCA5610001 · CWS · Population served: 990
- Upper Lake County Water DistrictCA1710009 · CWS · Population served: 989
- Apple Valley Heights CwdCA3600009 · CWS · Population served: 983
- City of LoyaltonCA4610001 · CWS · Population served: 983
- Rio Manor Mutual Water CoCA5610035 · CWS · Population served: 983
- Sultana Community Services DistrictCA5400824 · CWS · Population served: 983
- Cal Am Water Company - Ambler ParkCA2710006 · CWS · Population served: 980
- Nyeland Acres Mutual Water CoCA5602111 · CWS · Population served: 975
- Desert Lake Comm Serv DistCA1510027 · CWS · Population served: 968
- Santa Lucia Preserve WsCA2702521 · CWS · Population served: 966
- San Joaquin County - ThorntonCA3910009 · CWS · Population served: 964
- Leavitt Lake CsdCA1810004 · CWS · Population served: 950
- Wadsworth093200169 · CWS · Population served: 950
- Lawson S LandingCA2110008 · CWS · Population served: 946
- Del Oro California Pines DistrictCA5410034 · CWS · Population served: 944
- Knights Landing Svc. Dist.CA5710004 · CWS · Population served: 944
- California Water Service Co-Lake HughesCA1910242 · CWS · Population served: 929
- Psmcsd - NormcoCA2700511 · CWS · Population served: 928
- Jacoby Creek CwdCA1210021 · CWS · Population served: 924
- Camanche North Shore Inc.CA0310008 · CWS · Population served: 922
- Cuesta La Honda Guild IncCA4110012 · CWS · Population served: 915
- City of Modesto - GraysonCA5010033 · CWS · Population served: 914
- Rancho San Joaquin MwcCA3500581 · CWS · Population served: 914
- Fcwwd 18/FriantCA1010051 · CWS · Population served: 909
- Pinon Pines MwcCA1510054 · CWS · Population served: 908
- Del Oro Water Co.-Johnson ParkCA4510015 · CWS · Population served: 904