Illinois water providers — page 5
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.
- WoodhavenIL1035100 · CWS · Population served: 4,100
- MillstadtIL1630850 · CWS · Population served: 4,071
- Coal Valley PwdIL1995250 · CWS · Population served: 4,023
- Wasco SdIL0890110 · CWS · Population served: 4,000
- BurnhamIL0310360 · CWS · Population served: 3,989
- North East Central PwdIL1195280 · CWS · Population served: 3,975
- Hamilton County Water DistrictIL0651000 · CWS · Population served: 3,958
- RosemontIL0312760 · CWS · Population served: 3,952
- MarshallIL0230100 · CWS · Population served: 3,947
- Corinth PwdIL1995120 · CWS · Population served: 3,927
- South Chicago HeightsIL0312940 · CWS · Population served: 3,924
- Saline Valley Conservancy DistrictIL1655300 · CWS · Population served: 3,921
- WestvilleIL1830950 · CWS · Population served: 3,917
- MetamoraIL2030350 · CWS · Population served: 3,895
- Coal ValleyIL1614260 · CWS · Population served: 3,873
- Wonder LakeIL1115750 · CWS · Population served: 3,870
- RochesterIL1671000 · CWS · Population served: 3,856
- Red BudIL1570450 · CWS · Population served: 3,804
- Greene County RWDIL0610020 · CWS · Population served: 3,786
- ByronIL1410100 · CWS · Population served: 3,784
- Pleasant Valley PwdIL1435470 · CWS · Population served: 3,783
- Embarras Area Water DistrictIL0290020 · CWS · Population served: 3,750
- GillespieIL1170400 · CWS · Population served: 3,737
- Lcpw - Pekara SubdivisionIL0975900 · CWS · Population served: 3,711
- Fountain Water DistrictIL1330020 · CWS · Population served: 3,650
- Rend Lake Inter-City Water SystemIL0555100 · CWS · Population served: 3,650
- FairburyIL1050350 · CWS · Population served: 3,633
- RiverwoodsIL0971450 · CWS · Population served: 3,618
- Il American-TolonoIL0191000 · CWS · Population served: 3,604
- WoodlawnIL0810450 · CWS · Population served: 3,587
- Three County PwdIL1195450 · CWS · Population served: 3,575
- HainesvilleIL0970400 · CWS · Population served: 3,528
- Western Wayne Water DistrictIL1910010 · CWS · Population served: 3,516
- Johnston CityIL1990500 · CWS · Population served: 3,509
- South JacksonvilleIL1370400 · CWS · Population served: 3,501
- Gibson CityIL0530100 · CWS · Population served: 3,500
- Le RoyIL1130750 · CWS · Population served: 3,498
- ForsythIL1150200 · CWS · Population served: 3,490
- AledoIL1310050 · CWS · Population served: 3,470
- Tritownship Water DistrictIL1190080 · CWS · Population served: 3,470
- OregonIL1410400 · CWS · Population served: 3,449
- Hardinville Water CompanyIL0330020 · CWS · Population served: 3,403
- MackinawIL1790350 · CWS · Population served: 3,399
- RushvilleIL1690200 · CWS · Population served: 3,375
- CarlyleIL0270300 · CWS · Population served: 3,373
- Lake Sara Area Water Co-Op, Inc.IL0495150 · CWS · Population served: 3,352
- FultonIL1950250 · CWS · Population served: 3,346
- Pontoon Beach PwdIL1195300 · CWS · Population served: 3,325
- GalenaIL0850200 · CWS · Population served: 3,308
- Il American-Liberty Ridge WestIL0435650 · CWS · Population served: 3,307
- AbingdonIL0950050 · CWS · Population served: 3,275
- CaseyIL0230050 · CWS · Population served: 3,274
- VirdenIL1171100 · CWS · Population served: 3,274
- Mount SterlingIL0090100 · CWS · Population served: 3,271
- Indian Head ParkIL0311410 · CWS · Population served: 3,240
- NashvilleIL1890300 · CWS · Population served: 3,230
- North East Marion County Water CmpnyIL1210030 · CWS · Population served: 3,220
- KnoxvilleIL0950300 · CWS · Population served: 3,120
- East DundeeIL0890250 · CWS · Population served: 3,115
- Smg Water CoopIL1370030 · CWS · Population served: 3,110
- Sleepy HollowIL0890750 · CWS · Population served: 3,100
- MomenceIL0910650 · CWS · Population served: 3,075
- ChristopherIL0550150 · CWS · Population served: 3,072
- Aqua Illinois-Hawthorn WoodsIL0975040 · CWS · Population served: 3,065
- Lakeside PwdIL0775150 · CWS · Population served: 3,065
- SavannaIL0150250 · CWS · Population served: 3,020
- Oasis MhpIL0315185 · CWS · Population served: 3,000
- NewtonIL0790100 · CWS · Population served: 2,977
- Marquette HeightsIL1790400 · CWS · Population served: 2,974
- DixmoorIL0310660 · CWS · Population served: 2,973
- BushnellIL1090150 · CWS · Population served: 2,972
- HavanaIL1250200 · CWS · Population served: 2,963
- Menard Correctional CenterIL1575550 · CWS · Population served: 2,950
- PittsburgIL1990600 · CWS · Population served: 2,948
- Fmc Water CompanyIL1210020 · CWS · Population served: 2,945
- WinnebagoIL2010500 · CWS · Population served: 2,940
- ArcolaIL0410050 · CWS · Population served: 2,927
- Mount MorrisIL1410350 · CWS · Population served: 2,861
- HeyworthIL1130650 · CWS · Population served: 2,853
- Mission Brook SdIL0315920 · CWS · Population served: 2,852
- Holiday Shores SdIL1195110 · CWS · Population served: 2,840
- AlbionIL0470050 · CWS · Population served: 2,839
- Southern Il University-EdwardsvilleIL1195550 · CWS · Population served: 2,817
- El PasoIL2030150 · CWS · Population served: 2,812
- McleansboroIL0650200 · CWS · Population served: 2,812
- South Palos Twsp Sanitary DistIL0310140 · CWS · Population served: 2,800
- North Morgan Water CoopIL1375050 · CWS · Population served: 2,763
- HamiltonIL0670400 · CWS · Population served: 2,753
- TrentonIL0270500 · CWS · Population served: 2,742
- LakemoorIL0970270 · CWS · Population served: 2,720
- Burnside PwdIL0875050 · CWS · Population served: 2,702
- PawneeIL1670850 · CWS · Population served: 2,700
- LenaIL1770300 · CWS · Population served: 2,680
- Colona WestIL0730550 · CWS · Population served: 2,640
- Fox Lake Hills Subdivision - Lake Co PwIL0975550 · CWS · Population served: 2,628
- Round Lake HeightsIL0970260 · CWS · Population served: 2,622
- Moultrie County RWDIL1395150 · CWS · Population served: 2,600
- BridgeportIL1010100 · CWS · Population served: 2,572
- Saddlebrook FarmsIL0970120 · CWS · Population served: 2,558
- SesserIL0550450 · CWS · Population served: 2,556