Illinois water providers — page 6

Find published drinking-water records, providers, and official agency resources for Illinois. Review sources, sample dates, and coverage.

Official drinking-water resources

• Illinois Environmental Protection Agency - Drinking Water
• Illinois Drinking Water Watch

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.

• AvistonIL0270100 · CWS · Population served: 2,545
• OdinIL1210350 · CWS · Population served: 2,543
• Greenwood-Creek Nation Water CompanyIL0555200 · CWS · Population served: 2,530
• KenilworthIL0311500 · CWS · Population served: 2,514
• CarrolltonIL0610050 · CWS · Population served: 2,513
• CarthageIL0670250 · CWS · Population served: 2,510
• DiamondIL0630250 · CWS · Population served: 2,508
• Colona EastIL0730400 · CWS · Population served: 2,501
• AmboyIL1030050 · CWS · Population served: 2,500
• Clayton-Camp Point Water CommissionIL0015200 · CWS · Population served: 2,470
• Pinckneyville Correctional CenterIL1450010 · CWS · Population served: 2,470
• Il American-Villa GroveIL0410350 · CWS · Population served: 2,467
• Park City MhpIL0975575 · CWS · Population served: 2,460
• GalvaIL0730450 · CWS · Population served: 2,449
• Il American-FarmingtonIL0570500 · CWS · Population served: 2,448
• Central Stickney SdIL0315570 · CWS · Population served: 2,400
• LewistownIL0570600 · CWS · Population served: 2,400
• West Prairie Water Co-OpIL1090030 · CWS · Population served: 2,395
• Ewing-Ina Water CommissionIL0555350 · CWS · Population served: 2,393
• Mason CityIL1250350 · CWS · Population served: 2,393
• ThorntonIL0313090 · CWS · Population served: 2,386
• CatlinIL1830150 · CWS · Population served: 2,380
• Ellery Water CorpIL0470010 · CWS · Population served: 2,380
• DawsonIL1670400 · CWS · Population served: 2,375
• Poplar GroveIL0070150 · CWS · Population served: 2,372
• NokomisIL1350450 · CWS · Population served: 2,370
• Akin Water DistrictIL0555120 · CWS · Population served: 2,368
• Lick Creek PwdIL1815100 · CWS · Population served: 2,365
• Hickory-Kerton Wtr CoopIL1695200 · CWS · Population served: 2,358
• PoloIL1410450 · CWS · Population served: 2,355
• SenecaIL0991050 · CWS · Population served: 2,353
• Davis JunctionIL1410030 · CWS · Population served: 2,344
• Otter Creek Lake Utilities DistrictIL2015320 · CWS · Population served: 2,342
• Egyptian Water CompanyIL1570010 · CWS · Population served: 2,330
• Aqua Illinois-Timber RidgeIL1970410 · CWS · Population served: 2,322
• OblongIL0330150 · CWS · Population served: 2,321
• White HallIL0610400 · CWS · Population served: 2,313
• AltamontIL0490050 · CWS · Population served: 2,300
• ArthurIL1394040 · CWS · Population served: 2,300
• Lake Barrington Shores SubdivsionIL0975520 · CWS · Population served: 2,300
• Prairie Path Water Company-GalenaIL0855050 · CWS · Population served: 2,294
• Prospect HeightsIL0312530 · CWS · Population served: 2,280
• T-L Rural Water DistrictIL1430030 · CWS · Population served: 2,243
• HenryIL1230050 · CWS · Population served: 2,230
• ElwoodIL1970350 · CWS · Population served: 2,229
• TamaroaIL1450250 · CWS · Population served: 2,197
• PecatonicaIL2010250 · CWS · Population served: 2,195
• Mount OliveIL1170700 · CWS · Population served: 2,193
• Groveland Township Water DistrictIL1795200 · CWS · Population served: 2,185
• Southwater IncIL0030020 · CWS · Population served: 2,185
• Thomson Maximum Security CenterIL0150030 · CWS · Population served: 2,166
• Graham Correctional SiteIL1355100 · CWS · Population served: 2,155
• Norris CityIL1930350 · CWS · Population served: 2,155
• Carbon CliffIL1610100 · CWS · Population served: 2,134
• TremontIL1790700 · CWS · Population served: 2,114
• ProphetstownIL1950400 · CWS · Population served: 2,100
• RichmondIL1110750 · CWS · Population served: 2,089
• CambridgeIL0730300 · CWS · Population served: 2,086
• Carrier MillsIL1650050 · CWS · Population served: 2,085
• Ej Water-McwcIL1350020 · CWS · Population served: 2,075
• ElmwoodIL1430300 · CWS · Population served: 2,058
• Henderson PwdIL1350010 · CWS · Population served: 2,045
• Il American-FisherIL0190150 · CWS · Population served: 2,026
• Limestone-Walters PwdIL1430020 · CWS · Population served: 2,023
• TeutopolisIL0490450 · CWS · Population served: 2,018
• Clay County Water IncIL0250020 · CWS · Population served: 2,015
• RockdaleIL1970850 · CWS · Population served: 2,012
• HinckleyIL0370200 · CWS · Population served: 2,006
• KirklandIL0370300 · CWS · Population served: 2,000
• RoanokeIL2030550 · CWS · Population served: 2,000
• Southeast Joliet SdIL1977490 · CWS · Population served: 2,000
• PhoenixIL0312490 · CWS · Population served: 1,994
• Dix-Kell Water CommssionIL0815100 · CWS · Population served: 1,972
• Mitchellsville PwdIL1655200 · CWS · Population served: 1,970
• New AthensIL1631050 · CWS · Population served: 1,970
• Merrionette ParkIL0311890 · CWS · Population served: 1,969
• SteelevilleIL1570650 · CWS · Population served: 1,960
• Sterling Estates MhpIL0315850 · CWS · Population served: 1,954
• Clinton County East PwdIL0275150 · CWS · Population served: 1,950
• Wonder Lake (NIU)IL1115850 · CWS · Population served: 1,950
• Il American-WaycindenIL0317550 · CWS · Population served: 1,934
• Glen Ellyn Heights SubdivisionIL0435500 · CWS · Population served: 1,931
• Steeple Run SbdvIL0437160 · CWS · Population served: 1,931
• Belle RiveIL0810050 · CWS · Population served: 1,930
• LexingtonIL1130800 · CWS · Population served: 1,930
• MinonkIL2030400 · CWS · Population served: 1,928
• MarissaIL1630750 · CWS · Population served: 1,921
• De SotoIL0770200 · CWS · Population served: 1,910
• PrincevilleIL1430750 · CWS · Population served: 1,901
• WaltonvilleIL0810400 · CWS · Population served: 1,901
• South RoxanaIL1190970 · CWS · Population served: 1,891
• Aqua Illinois-Oak RunIL0955200 · CWS · Population served: 1,885
• GirardIL1170450 · CWS · Population served: 1,885
• Central Macoupin County RWDIL1170040 · CWS · Population served: 1,883
• BlufordIL0810100 · CWS · Population served: 1,880
• LaconIL1230100 · CWS · Population served: 1,878
• Poplar Grove SouthIL0070300 · CWS · Population served: 1,877
• Rural Wabash County Water DistrictIL1850010 · CWS · Population served: 1,877
• HamptonIL1610300 · CWS · Population served: 1,863
• Prairie Dupont PwdIL1635070 · CWS · Population served: 1,863