Illinois water providers — page 3
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.
- CentraliaIL1214220 · CWS · Population served: 12,182
- Il American-PontiacIL1055030 · CWS · Population served: 11,864
- Fox LakeIL0970200 · CWS · Population served: 11,780
- River ForestIL0312610 · CWS · Population served: 11,717
- Schiller ParkIL0312850 · CWS · Population served: 11,709
- Washington County Water CompanyIL1895600 · CWS · Population served: 11,374
- Lake of Egypt PwdIL1995200 · CWS · Population served: 11,368
- Robinson-Palestine Water CommissionIL0335030 · CWS · Population served: 11,331
- Sugar GroveIL0890850 · CWS · Population served: 11,243
- Burr RidgeIL0434190 · CWS · Population served: 11,192
- Il American-Chicago SuburbanIL0315150 · CWS · Population served: 11,187
- SummitIL0310060 · CWS · Population served: 11,161
- ColumbiaIL1330050 · CWS · Population served: 11,129
- WorthIL0313360 · CWS · Population served: 10,970
- CrestwoodIL0310600 · CWS · Population served: 10,826
- HighlandIL1190550 · CWS · Population served: 10,674
- Wood RiverIL1191150 · CWS · Population served: 10,464
- Pingree GroveIL0890160 · CWS · Population served: 10,365
- ManhattanIL1970550 · CWS · Population served: 10,340
- BarringtonIL0974080 · CWS · Population served: 10,327
- LyonsIL0311710 · CWS · Population served: 10,304
- PeruIL0990850 · CWS · Population served: 10,300
- River GroveIL0312640 · CWS · Population served: 10,282
- RiverdaleIL0312580 · CWS · Population served: 10,266
- MurphysboroIL0770500 · CWS · Population served: 10,241
- WaterlooIL1330300 · CWS · Population served: 10,190
- MaryvilleIL1190750 · CWS · Population served: 10,150
- Leyden Twsp Water DistrictIL0315880 · CWS · Population served: 10,000
- SaukIL0312790 · CWS · Population served: 9,921
- WinfieldIL0431150 · CWS · Population served: 9,835
- La SalleIL0990300 · CWS · Population served: 9,700
- StegerIL0314860 · CWS · Population served: 9,700
- Clark-Edgar RWDIL0230010 · CWS · Population served: 9,657
- ItascaIL0430500 · CWS · Population served: 9,506
- HarvardIL1110250 · CWS · Population served: 9,469
- RochelleIL1410500 · CWS · Population served: 9,446
- Oak BrookIL0430700 · CWS · Population served: 9,400
- FlossmoorIL0310870 · CWS · Population served: 9,371
- RiversideIL0312670 · CWS · Population served: 9,298
- LynwoodIL0311680 · CWS · Population served: 9,149
- ParisIL0450300 · CWS · Population served: 9,100
- Harwood HeightsIL0311140 · CWS · Population served: 9,065
- WillowbrookIL0431100 · CWS · Population served: 9,000
- GlenwoodIL0311050 · CWS · Population served: 8,956
- MonmouthIL1870150 · CWS · Population served: 8,902
- Clear Water Service CorpIL0295100 · CWS · Population served: 8,900
- OlneyIL1590200 · CWS · Population served: 8,877
- GlencoeIL0310990 · CWS · Population served: 8,849
- Lake VillaIL0970840 · CWS · Population served: 8,829
- MascoutahIL1630800 · CWS · Population served: 8,759
- Beach ParkIL0970190 · CWS · Population served: 8,710
- Clarendon HillsIL0430250 · CWS · Population served: 8,702
- West FrankfortIL0550700 · CWS · Population served: 8,650
- Rock FallsIL1950450 · CWS · Population served: 8,620
- HarrisburgIL1650200 · CWS · Population served: 8,524
- Calumet ParkIL0310420 · CWS · Population served: 8,442
- Il American-JerseyvilleIL0830250 · CWS · Population served: 8,412
- ChesterIL1570100 · CWS · Population served: 8,407
- GilbertsIL0890400 · CWS · Population served: 8,366
- GreenvilleIL0050050 · CWS · Population served: 8,310
- Prairie Path Water Co-Whispering HillsIL1115700 · CWS · Population served: 8,300
- CreteIL1970300 · CWS · Population served: 8,275
- HillsideIL0311230 · CWS · Population served: 8,200
- BentonIL0550050 · CWS · Population served: 8,104
- Island LakeIL0974540 · CWS · Population served: 8,066
- Mill Creek Water Reclamation DistrictIL0890120 · CWS · Population served: 8,000
- Western Illinois UniversityIL1095510 · CWS · Population served: 8,000
- Fosterburg PwdIL1195220 · CWS · Population served: 7,940
- LincolnshireIL0970950 · CWS · Population served: 7,940
- SalemIL1210450 · CWS · Population served: 7,905
- Il American-South BeloitIL2010450 · CWS · Population served: 7,893
- Long Creek Township PWSIL1155150 · CWS · Population served: 7,850
- BroadviewIL0310300 · CWS · Population served: 7,847
- West DundeeIL0890950 · CWS · Population served: 7,845
- PrincetonIL0110850 · CWS · Population served: 7,832
- Rock Island Arsenal, US ArmyIL1615387 · CWS · Population served: 7,800
- HampshireIL0890450 · CWS · Population served: 7,758
- RocktonIL2010350 · CWS · Population served: 7,685
- North Tazewell PwdIL1795780 · CWS · Population served: 7,625
- VandaliaIL0510350 · CWS · Population served: 7,616
- MarengoIL1110650 · CWS · Population served: 7,572
- SilvisIL1610700 · CWS · Population served: 7,473
- ClintonIL0390050 · CWS · Population served: 7,200
- DuquoinIL1450100 · CWS · Population served: 7,169
- SandwichIL0374850 · CWS · Population served: 7,156
- MendotaIL0990550 · CWS · Population served: 7,100
- Raccoon Water CompanyIL1215100 · CWS · Population served: 7,080
- North RiversideIL0312160 · CWS · Population served: 7,071
- Mount CarmelIL1850200 · CWS · Population served: 7,015
- Aqua Illinois-University ParkIL1975030 · CWS · Population served: 7,002
- Southeast Regional Water FacilityIL0430060 · CWS · Population served: 6,940
- StickneyIL0313000 · CWS · Population served: 6,902
- Abs Water CoopIL0015350 · CWS · Population served: 6,858
- American Water Oper And Maintenance, LLCIL1635237 · CWS · Population served: 6,779
- Il American-Valley ViewIL0437350 · CWS · Population served: 6,721
- ChillicotheIL1430200 · CWS · Population served: 6,660
- Curran-Gardner Township PwdIL1675350 · CWS · Population served: 6,651
- LitchfieldIL1350400 · CWS · Population served: 6,648
- Bond/Madison Water CompanyIL0050020 · CWS · Population served: 6,645
- VoloIL0971770 · CWS · Population served: 6,629