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 |
|---|---|---|---|---|
| Wataga | Wataga, IL | 965 | 44 | - |
| Rapids City | Rapids City, IL | 962 | 66 | - |
| Camp Independence | West Chicago, IL | 960 | 10 | - |
| Camp Duncan Pool | Ingleside, IL | 960 | 12 | - |
| Clay City | Clay City, IL | 957 | 51 | - |
| Atkinson | Peru, IL | 955 | 58 | - |
| Mendon | Mendon, IL | 953 | 34 | Clean |
| Leland | Leland, IL | 951 | 16 | - |
| Harbor Point Estates MHP | Northbrook, IL | 950 | 28 | - |
| Liberty Park Homeowners Association | Westmont, IL | 950 | 32 | - |
| Stronghurst | Stronghurst, IL | 950 | 146 | - |
| Sheldon | Sheldon, IL | 950 | 60 | - |
| Concorde Banquets | Waukegan, IL | 950 | 0 | - |
| Fs Gas and Food Mart Inc. | Wadsworth, IL | 950 | 0 | - |
| Constellation Energy Generation LLC | Cordova, IL | 950 | 6 | - |
| Boyleston Waterworks Corp | Fairfield, IL | 948 | 28 | - |
| Kinmundy | Kinmundy, IL | 940 | 137 | Clean |
| Mansfield | Mansfield, IL | 939 | 31 | - |
| Goodfield | Goodfield, IL | 936 | 30 | - |
| Stonington | Stonington, IL | 932 | 9 | - |
| Prairie Path Water Company-Apple Canyon | Galena, IL | 931 | 17 | - |
| Mississippi Rapids Rest Area | Rock Falls, IL | 930 | 2 | - |
| Sumner | Newton, IL | 921 | 36 | - |
| Avon | Bushnell, IL | 920 | 24 | - |
| Willow Lake Estates MHP | Elgin, IL | 920 | 41 | Detected |
| Aqua Illinois-Moecherville | Kankakee, IL | 920 | 32 | - |
| Birds Pinkstaff Water District | Lawrencville, IL | 920 | 184 | - |
| Camp Henry Horner/Pool Pump House | Ingleside, IL | 920 | 27 | - |
| Olympia School | Stanford, IL | 918 | 632 | - |
| Roseville | Roseville, IL | 915 | 130 | - |
| Beckemeyer | Beckemeyer, IL | 913 | 7 | - |
| Shady Oaks MHP | Chicago, IL | 912 | 262 | Clean |
| Grand Valley Village MHP | Springfield, IL | 912 | 34 | - |
| Gifford | Gifford, IL | 911 | 6 | - |
| McClure-East Cape Pwd | McClure, IL | 910 | 84 | - |
| Quentin Road Bible Baptist School | Lake Zurich, IL | 910 | 6 | - |
| Spring Lakes MHP | Elgin, IL | 904 | 30 | - |
| Willoway Terrace MHP | Chicago, IL | 900 | 35 | - |
| Dieterich | Dieterich, IL | 900 | 70 | - |
| Bloomington Township Pwd-Crestwicke | Bloomington, IL | 900 | 12 | - |
| Argenta | Argenta, IL | 900 | 86 | - |
| Bismarck Community Water District | Bismarck, IL | 900 | 38 | - |
| The Great Sauk Trail - East | Ottawa, IL | 900 | 4 | - |
| Baka Krisdala Rest Area W Bound | Kewanee, IL | 900 | 2 | - |
| Baka Krisdala Rest Area E Bound | Kewanee, IL | 900 | 2 | - |
| Hillsdale Express Lane | Sterling, IL | 900 | 1 | - |
| IL Hwy 39 Willowcreek Nb Rest | Rock Falls, IL | 900 | 0 | - |
| The Chapel (147876) | Grayslake, IL | 900 | 0 | - |
| Franklin Grove | Franklin Grove, IL | 896 | 38 | - |
| Oreana | Forsyth, IL | 892 | 20 | - |