Public Water Systems
5,117 active public water systems in IL, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Trenton | Trenton, IL | 2,742 | 50 | - |
| Pawnee | Pawnee, IL | 2,739 | 36 | - |
| Lakemoor | Lakemoor, IL | 2,720 | 5 | - |
| Burnside Pwd | New Burnside, IL | 2,702 | 30 | - |
| Carrollton | Carrollton, IL | 2,680 | 29 | Clean |
| Lena | Lena, IL | 2,680 | 73 | - |
| T-L Rural Water District | Glasford, IL | 2,665 | 19 | - |
| Colona West | Moline, IL | 2,640 | 109 | - |
| Fox Lake Hills Subdivision - Lake Co Pw | Libertyville, IL | 2,628 | 11 | - |
| Round Lake Heights | Round Lake Heights, IL | 2,622 | 6 | - |
| Moultrie County RWD | Sullivan, IL | 2,600 | 75 | - |
| Bridgeport | Bridgeport, IL | 2,572 | 66 | - |
| Saddlebrook Farms | Grayslake, IL | 2,558 | 50 | - |
| Mason City | Mason City, IL | 2,558 | 91 | - |
| Aviston | Aviston, IL | 2,545 | 81 | - |
| Odin | Odin, IL | 2,543 | 21 | - |
| Greenwood-Creek Nation Water Company | Mulkeytown, IL | 2,530 | 15 | - |
| Kenilworth | Kenilworth, IL | 2,514 | 41 | Clean |
| Carthage | Carthage, IL | 2,510 | 250 | - |
| Diamond | Diamond, IL | 2,508 | 346 | - |
| Sesser | Sesser, IL | 2,505 | 33 | - |
| Colona East | Moline, IL | 2,501 | 47 | - |
| Amboy | Amboy, IL | 2,500 | 13 | - |
| Coal City Area Club | Coal City, IL | 2,500 | 17 | - |
| Baxter Health Care/Hanline | Round Lake, IL | 2,500 | 23 | - |
| Northshore University Skokie | Skokie, IL | 2,500 | 48 | - |
| Pinckneyville Correctional Center | Pinckneyville, IL | 2,470 | 0 | - |
| IL American-Villa Grove | Godfrey, IL | 2,467 | 35 | - |
| Park City MHP | Park City, IL | 2,460 | 30 | - |
| Blessing Hospital | Quincy, IL | 2,460 | 1 | - |
| Galva | Galva, IL | 2,449 | 215 | - |
| IL American-Farmington | Godfrey, IL | 2,448 | 283 | - |
| Clayton-Camp Point Water Commission | Camp Point, IL | 2,434 | 15 | - |
| Central Stickney SD | Burbank, IL | 2,400 | 29 | - |
| Lewistown | Lewistown, IL | 2,400 | 31 | - |
| Dixon Correctional Center | Dixon, IL | 2,400 | 67 | - |
| West Prairie Water Co-Op | Macomb, IL | 2,395 | 6 | - |
| Ewing-Ina Water Commission | Whittington, IL | 2,393 | 26 | - |
| Ellery Water Corp | Albion, IL | 2,380 | 23 | - |
| Catlin | Catlin, IL | 2,380 | 56 | - |
| Dawson | Dawson, IL | 2,375 | 58 | - |
| Poplar Grove | Poplar Grove, IL | 2,372 | 46 | - |
| Nokomis | Nokomis, IL | 2,370 | 39 | - |
| Akin Water District | Thompsonville, IL | 2,368 | 23 | - |
| Lick Creek Pwd | Buncombe, IL | 2,365 | 35 | - |
| Hickory-Kerton Wtr Coop | Rushville, IL | 2,358 | 38 | - |
| I74 Spoon River Rest Area | Galesburg, IL | 2,356 | 61 | - |
| Polo | Polo, IL | 2,355 | 78 | - |
| Seneca | Seneca, IL | 2,353 | 151 | - |
| Davis Junction | Davis Junction, IL | 2,344 | 0 | - |