Illinois water providers — page 8
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.
- NilwoodIL1170750 · CWS · Population served: 1,394
- Il American-RosiclareIL0690160 · CWS · Population served: 1,387
- PaysonIL0010550 · CWS · Population served: 1,386
- New BerlinIL1670800 · CWS · Population served: 1,380
- Aqua Illinois-PhiloIL0190600 · CWS · Population served: 1,378
- AstoriaIL0570050 · CWS · Population served: 1,375
- Il American-Hardin CountyIL0690020 · CWS · Population served: 1,373
- Tower LakesIL0975010 · CWS · Population served: 1,372
- Gallatin-White Water DistrictIL0595100 · CWS · Population served: 1,370
- HebronIL1110300 · CWS · Population served: 1,368
- GardnerIL0630400 · CWS · Population served: 1,361
- Hilltop MhpIL1130080 · CWS · Population served: 1,360
- GranvilleIL1550050 · CWS · Population served: 1,359
- TolucaIL1230250 · CWS · Population served: 1,348
- CapronIL0070100 · CWS · Population served: 1,343
- Bonnie Brae Forest Manor SndstIL1975140 · CWS · Population served: 1,338
- ForrestonIL1410200 · CWS · Population served: 1,338
- AshlandIL0170100 · CWS · Population served: 1,333
- RossvilleIL1830800 · CWS · Population served: 1,331
- North UticaIL0990650 · CWS · Population served: 1,323
- WarrenIL0850500 · CWS · Population served: 1,323
- East Moreland Wtr Service AssnIL1975600 · CWS · Population served: 1,320
- HarristownIL1150210 · CWS · Population served: 1,320
- BarryIL1490050 · CWS · Population served: 1,318
- Otter Lake Water CommissionIL1175200 · CWS · Population served: 1,318
- AssumptionIL0210050 · CWS · Population served: 1,315
- WalnutIL0111100 · CWS · Population served: 1,311
- MilfordIL0750650 · CWS · Population served: 1,306
- Blue MoundIL1150100 · CWS · Population served: 1,300
- Taylorville Correctional CenterIL0210010 · CWS · Population served: 1,300
- WyomingIL1750200 · CWS · Population served: 1,300
- Prairie Path Water Company-Lake WildwoodIL1235200 · CWS · Population served: 1,295
- Countryside Lake Subdivision -Lake Co PwIL0975200 · CWS · Population served: 1,287
- New Hope Waterworks CorpIL1915100 · CWS · Population served: 1,285
- ToledoIL0350200 · CWS · Population served: 1,278
- Petrolia PwdIL1015350 · CWS · Population served: 1,275
- ChrismanIL0450100 · CWS · Population served: 1,273
- St ElmoIL0510250 · CWS · Population served: 1,272
- CobdenIL1810150 · CWS · Population served: 1,267
- LaddIL0110450 · CWS · Population served: 1,263
- ValmeyerIL1330250 · CWS · Population served: 1,263
- HartfordIL1190500 · CWS · Population served: 1,260
- ChatsworthIL1050100 · CWS · Population served: 1,256
- Liberty-Ledford PwdIL1655050 · CWS · Population served: 1,255
- Hanna CityIL1430400 · CWS · Population served: 1,253
- Lake Williamson Christian CenterIL1175100 · CWS · Population served: 1,250
- Wayne CityIL1910450 · CWS · Population served: 1,239
- Blackhawk Estates LLCIL0317765 · CWS · Population served: 1,238
- Prairie Path Water Company-KillarneyIL1115400 · CWS · Population served: 1,232
- AlbersIL0270050 · CWS · Population served: 1,231
- WarrensburgIL1150500 · CWS · Population served: 1,230
- ForrestIL1050450 · CWS · Population served: 1,225
- Il American-ArburyIL1975040 · CWS · Population served: 1,225
- HillcrestIL1410250 · CWS · Population served: 1,224
- MaconIL1150250 · CWS · Population served: 1,205
- DownsIL1130500 · CWS · Population served: 1,201
- LouisvilleIL0250200 · CWS · Population served: 1,201
- Aqua Illinois-Skyline (NORTHERN)IL0895030 · CWS · Population served: 1,200
- HomerIL0190300 · CWS · Population served: 1,200
- LaharpeIL0670450 · CWS · Population served: 1,200
- MartinsvilleIL0230150 · CWS · Population served: 1,200
- NauvooIL0670500 · CWS · Population served: 1,200
- St AnneIL0910700 · CWS · Population served: 1,200
- Stillman ValleyIL1410550 · CWS · Population served: 1,200
- WindsorIL1730550 · CWS · Population served: 1,200
- South Lawrence Water CorpIL1010020 · CWS · Population served: 1,195
- WaverlyIL1370450 · CWS · Population served: 1,194
- Il American-GlasfordIL1430350 · CWS · Population served: 1,193
- ToulonIL1750150 · CWS · Population served: 1,193
- Camp PointIL0010050 · CWS · Population served: 1,190
- DowellIL0770250 · CWS · Population served: 1,188
- Ferges Water DistrictIL1995050 · CWS · Population served: 1,185
- CubaIL0570300 · CWS · Population served: 1,184
- Il American-AndalusiaIL1610050 · CWS · Population served: 1,184
- ValierIL0550600 · CWS · Population served: 1,182
- MinierIL1790450 · CWS · Population served: 1,180
- Walnut HillIL1210600 · CWS · Population served: 1,180
- South BarringtonIL0310200 · CWS · Population served: 1,175
- Mechanicsburg-Buffalo Water CommissionIL1675150 · CWS · Population served: 1,170
- KingstonIL0370250 · CWS · Population served: 1,160
- AtwoodIL0414060 · CWS · Population served: 1,155
- GorhamIL0770350 · CWS · Population served: 1,143
- Il American-Washington EstatesIL1797050 · CWS · Population served: 1,143
- MaltaIL0370350 · CWS · Population served: 1,143
- Prospect Water DistrictIL1655110 · CWS · Population served: 1,140
- MoundsIL1530150 · CWS · Population served: 1,135
- Prairie Path Water Company-Ferson CreekIL0895800 · CWS · Population served: 1,134
- OquawkaIL0710300 · CWS · Population served: 1,125
- Johnsburg No.2IL1115080 · CWS · Population served: 1,124
- RoyaltonIL0555030 · CWS · Population served: 1,118
- Oraville Water DistrictIL0775250 · CWS · Population served: 1,108
- Il American-Valley MarinaIL0935100 · CWS · Population served: 1,102
- DivernonIL1670450 · CWS · Population served: 1,100
- GreenfieldIL0610150 · CWS · Population served: 1,097
- GriggsvilleIL1490300 · CWS · Population served: 1,097
- WordenIL1191200 · CWS · Population served: 1,096
- Heartville PwdIL0495200 · CWS · Population served: 1,092
- CrossvilleIL1930150 · CWS · Population served: 1,091
- DanversIL1130450 · CWS · Population served: 1,089
- HamelIL1190450 · CWS · Population served: 1,087