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 |
|---|---|---|---|---|
| Scottville Rural Water Company, Inc. | Palmyra, IL | 695 | 139 | - |
| Fairmount | Fairmount, IL | 690 | 46 | - |
| Tampico | Tampico, IL | 689 | 15 | - |
| White Heath Waterworks | White Heath, IL | 685 | 45 | - |
| Potomac | Potomac, IL | 685 | 51 | - |
| Creal Springs | Creal Springs, IL | 683 | 26 | - |
| IL American-Terra Cotta | Godfrey, IL | 681 | 0 | - |
| Shadow Wood MHP | Champaign, IL | 680 | 0 | - |
| Lenzburg | Swansea, IL | 680 | 52 | - |
| IL American-Lombard Heights | Godfrey, IL | 679 | 1 | - |
| Saybrook | Saybrook, IL | 679 | 278 | - |
| Westfield | Westfield, IL | 678 | 273 | - |
| River Oaks Estates MHP | Bloomfield Hills, IL | 677 | 0 | - |
| Bradford | Bradford, IL | 676 | 213 | - |
| Arenzville Rural Water Cooperative | Arenzville, IL | 675 | 4 | - |
| Lake County Pw- Hawthorn Woods | Libertyville, IL | 675 | 32 | - |
| Ferson Creek Elem Schl-Cusd 303 | St. Charles, IL | 667 | 23 | - |
| West City | West City, IL | 664 | 28 | - |
| Dalzell | Peru, IL | 663 | 54 | - |
| Cedarville | Cedarville, IL | 663 | 19 | - |
| Cambridge Courts MHP | Northbrook, IL | 658 | 26 | - |
| Chapin | Chapin, IL | 658 | 43 | - |
| Hoyleton | Centralia, IL | 658 | 9 | - |
| Shipman | Shipman, IL | 656 | 113 | - |
| Tamms | Tamms, IL | 653 | 89 | - |
| Equality | Equality, IL | 652 | 44 | - |
| Matherville | Matherville, IL | 651 | 165 | - |
| Crescent City | Crescent City, IL | 650 | 39 | - |
| Aqua Illinois-Ivanhoe | Kankakee, IL | 650 | 8 | - |
| Forest View MHP | Loves Park, IL | 650 | 4 | - |
| Lakepoint Club C/O George Kappos | Wilmington, IL | 650 | 40 | - |
| Marathon - Lake Villa #112888 | Waukegan, IL | 650 | 1 | - |
| Millburn School Dist #24 | Twin Lakes, IL | 650 | 464 | - |
| Shops of Kildeer | Oak Brook, IL | 650 | 1,119 | - |
| Vergennes | Vergennes, IL | 648 | 108 | - |
| Ej Water-Niantic | Dieterich, IL | 648 | 58 | - |
| Coffeen | Aviston, IL | 647 | 158 | - |
| Deer Creek | Deer Creek, IL | 647 | 87 | - |
| Bayles Lake Lot Owners Association | Loda, IL | 645 | 44 | - |
| Balmoral Elem | Crete, IL | 645 | 55 | - |
| Cordova | Cordova, IL | 640 | 83 | - |
| Green Valley | Green Valley, IL | 638 | 27 | - |
| Ashmore | Ashmore, IL | 637 | 72 | - |
| Bartelso | Bartelso, IL | 635 | 33 | - |
| Cisne | Cisne, IL | 634 | 12 | - |
| Golconda | Golconda, IL | 630 | 280 | - |
| Channahon East | Channahon, IL | 630 | 206 | - |
| St Libory | Swansea, IL | 628 | 66 | - |
| Creston | Creston, IL | 627 | 42 | - |
| Ursa | Ursa, IL | 626 | 200 | - |