Illinois water providers — page 2
Find published drinking-water records, providers, and official agency resources for Illinois. 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
5,095 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.
- FreeportIL1770200 · CWS · Population served: 23,930
- South ElginIL0890800 · CWS · Population served: 23,648
- Loves ParkIL2010150 · CWS · Population served: 23,335
- Rolling MeadowsIL0312730 · CWS · Population served: 23,329
- LockportIL1970500 · CWS · Population served: 23,100
- Great Lakes Naval Training StationIL0975227 · CWS · Population served: 23,000
- YorkvilleIL0930250 · CWS · Population served: 23,000
- RoselleIL0434820 · CWS · Population served: 22,897
- MchenryIL1110600 · CWS · Population served: 22,335
- East PeoriaIL1790200 · CWS · Population served: 22,284
- Villa ParkIL0430800 · CWS · Population served: 22,263
- CarbondaleIL0770150 · CWS · Population served: 22,107
- BloomingdaleIL0430100 · CWS · Population served: 22,018
- South HollandIL0312970 · CWS · Population served: 22,000
- DarienIL0430270 · CWS · Population served: 21,751
- Park ForestIL0314740 · CWS · Population served: 21,687
- Blue IslandIL0310240 · CWS · Population served: 21,494
- East MolineIL1610250 · CWS · Population served: 21,374
- GrayslakeIL0970250 · CWS · Population served: 21,248
- GenevaIL0890350 · CWS · Population served: 21,247
- Crest HillIL1970250 · CWS · Population served: 21,169
- DoltonIL0310690 · CWS · Population served: 20,510
- LibertyvilleIL0970900 · CWS · Population served: 20,500
- Evergreen ParkIL0310840 · CWS · Population served: 19,943
- JacksonvilleIL1370200 · CWS · Population served: 19,903
- MokenaIL1970600 · CWS · Population served: 19,887
- Lake ZurichIL0970850 · CWS · Population served: 19,759
- Lake ForestIL0970800 · CWS · Population served: 19,642
- MattoonIL0290250 · CWS · Population served: 19,500
- HomewoodIL0311350 · CWS · Population served: 19,463
- DeerfieldIL0974340 · CWS · Population served: 19,196
- BellwoodIL0310150 · CWS · Population served: 19,156
- AlsipIL0310030 · CWS · Population served: 19,063
- Il American-StreatorIL0995030 · CWS · Population served: 19,000
- BrookfieldIL0310330 · CWS · Population served: 18,776
- ShorewoodIL1975080 · CWS · Population served: 18,645
- BensenvilleIL0434140 · CWS · Population served: 18,537
- Palos HillsIL0312400 · CWS · Population served: 18,530
- SycamoreIL0370550 · CWS · Population served: 18,500
- Franklin ParkIL0310960 · CWS · Population served: 18,467
- Justice-Willow Springs Water CommissionIL0315820 · CWS · Population served: 18,450
- Round LakeIL0971500 · CWS · Population served: 18,430
- MattesonIL0311800 · CWS · Population served: 18,293
- North AuroraIL0890600 · CWS · Population served: 18,261
- OttawaIL0990800 · CWS · Population served: 18,097
- HinsdaleIL0434520 · CWS · Population served: 17,900
- CaryIL1110100 · CWS · Population served: 17,826
- LemontIL0311620 · CWS · Population served: 17,500
- CharlestonIL0290100 · CWS · Population served: 17,286
- MortonIL1790500 · CWS · Population served: 17,111
- TroyIL1191000 · CWS · Population served: 16,962
- MarionIL1990550 · CWS · Population served: 16,855
- North ChicagoIL0971250 · CWS · Population served: 16,813
- CantonIL0570250 · CWS · Population served: 16,748
- Country Club HillsIL0310540 · CWS · Population served: 16,500
- BridgeviewIL0310270 · CWS · Population served: 16,467
- ChathamIL1670300 · CWS · Population served: 16,423
- WestchesterIL0313150 · CWS · Population served: 16,241
- La GrangeIL0311530 · CWS · Population served: 16,200
- Mount VernonIL0810300 · CWS · Population served: 15,793
- Palos HeightsIL0312370 · CWS · Population served: 15,500
- WaucondaIL0971850 · CWS · Population served: 15,349
- NorridgeIL0312040 · CWS · Population served: 15,251
- BethaltoIL1190150 · CWS · Population served: 15,210
- Il American-LincolnIL1075030 · CWS · Population served: 15,200
- DixonIL1030200 · CWS · Population served: 15,096
- MacombIL1090350 · CWS · Population served: 15,051
- Wildwood Subdivision - Lake Co PwIL0977350 · CWS · Population served: 14,832
- MidlothianIL0311920 · CWS · Population served: 14,819
- WashingtonIL1790750 · CWS · Population served: 14,793
- Il American-SterlingIL1955040 · CWS · Population served: 14,782
- MorrisIL0630600 · CWS · Population served: 14,775
- Hickory HillsIL0311200 · CWS · Population served: 14,505
- LindenhurstIL0971000 · CWS · Population served: 14,500
- Forest ParkIL0310900 · CWS · Population served: 14,340
- AntiochIL0970050 · CWS · Population served: 14,175
- Chicago RidgeIL0310480 · CWS · Population served: 14,130
- Wood DaleIL0431200 · CWS · Population served: 14,012
- CaseyvilleIL1630250 · CWS · Population served: 13,798
- Hazel CrestIL0311170 · CWS · Population served: 13,792
- LincolnwoodIL0311650 · CWS · Population served: 13,463
- ChannahonIL1970200 · CWS · Population served: 13,380
- Western SpringsIL0313180 · CWS · Population served: 13,274
- La Grange ParkIL0311560 · CWS · Population served: 13,011
- RantoulIL0190650 · CWS · Population served: 13,000
- U of I-ChampaignIL0195500 · CWS · Population served: 13,000
- NorthlakeIL0314710 · CWS · Population served: 12,840
- TaylorvilleIL0210600 · CWS · Population served: 12,806
- MinookaIL0630550 · CWS · Population served: 12,800
- Jersey RwcIL0835300 · CWS · Population served: 12,750
- HerrinIL1990400 · CWS · Population served: 12,747
- Glen CarbonIL1190300 · CWS · Population served: 12,618
- PlanoIL0930200 · CWS · Population served: 12,600
- Cahokia HeightsIL1635000 · CWS · Population served: 12,528
- KewaneeIL0730650 · CWS · Population served: 12,509
- Richton ParkIL0312550 · CWS · Population served: 12,504
- MarkhamIL0311770 · CWS · Population served: 12,500
- WinnetkaIL0313330 · CWS · Population served: 12,475
- WarrenvilleIL0430833 · CWS · Population served: 12,350
- EffinghamIL0490250 · CWS · Population served: 12,252