Illinois: Water Systems with Most Health Violations
1204 water systems in Illinois have at least one health-based violation on record. The system with the most health-based violations is Geo Specialty Chemicals in Milford with 299 health-based violations. Health-based violations mean a system exceeded an EPA maximum contaminant level or failed required treatment standards.
| Water System | City | Population | Health Violations | Total Violations |
|---|---|---|---|---|
| Geo Specialty Chemicals | Milford | 46 | 299 | 616 |
| Donnellson | Donnellson | 213 | 65 | 139 |
| Buda | Peru | 482 | 63 | 145 |
| Lynwood 3rd Addition | Geneseo | 100 | 59 | 80 |
| Geneseo Hickory Hills Hoa | Geneseo | 83 | 53 | 85 |
| Shannon | Shannon | 801 | 52 | 64 |
| Land and Wtr Assn | Ottawa | 83 | 46 | 57 |
| Danvers | Danvers | 1,183 | 43 | 47 |
| Maeystown | Maeystown | 340 | 43 | 47 |
| Carlock | Carlock | 562 | 42 | 45 |
| Greenfield | Greenfield | 1,480 | 40 | 80 |
| Vermont | Vermont | 738 | 38 | 55 |
| Fountain Valley MHP | Rantoul | 375 | 30 | 44 |
| Secor | Secor | 351 | 29 | 49 |
| Compton | Compton | 279 | 29 | 45 |
| New Salem Pwd | Adair | 451 | 28 | 28 |
| Chrisman | Chrisman | 1,200 | 26 | 73 |
| Chenoa | Chenoa | 1,785 | 26 | 42 |
| Village of Downs Nt - Cornbelt | Downs | 70 | 25 | 48 |
| Apple Creek Water Coop | Jacksonville | 968 | 24 | 31 |
| Heritage Environmental | Lemont | 45 | 23 | 154 |
| Pinckneyville | Pinckneyville | 5,804 | 23 | 63 |
| Beecher City | Beecher City | 500 | 22 | 68 |
| Mount Zion | Mount Zion | 5,833 | 22 | 28 |
| Lick Creek Pwd | Buncombe | 2,365 | 22 | 22 |
| Fox Lawn Homeowners Water Association | Yorkville | 167 | 21 | 87 |
| Edinburg | Edinburg | 1,068 | 21 | 45 |
| Ej Water-Sangchris | Dieterich | 1,025 | 21 | 34 |
| Blue Diamond Rainbow Sw Plaza Water | Chicago | 1,871 | 21 | 31 |
| Coal City | Coal City | 5,749 | 19 | 158 |
| Scottville Rural Water Company, Inc. | Palmyra | 695 | 18 | 41 |
| Macomb | Macomb | 15,052 | 18 | 34 |
| Table Grove | Table Grove | 353 | 18 | 28 |
| Anna | Anna | 4,910 | 18 | 22 |
| Mulberry Grove | Mulberry Grove | 548 | 18 | 21 |
| Jasper Waterworks Corporation | Fairfield | 1,578 | 18 | 18 |
| Le Roy | Leroy | 3,498 | 17 | 43 |
| Rooks Creek Elementary School | Graymont | 66 | 16 | 114 |
| Illiopolis | Illiopolis | 1,037 | 16 | 38 |
| Des Plaines MHP | Desplaines | 405 | 16 | 37 |
| Hettick | Hettick | 174 | 16 | 35 |
| Rochelle | Rochelle | 9,446 | 16 | 27 |
| Trenton | Trenton | 2,742 | 16 | 18 |
| Sparta | Sparta | 4,395 | 15 | 40 |
| Palmyra-Modesto Water Commission | Modesto | 110 | 15 | 24 |
| Palmyra | Modesto | 605 | 15 | 21 |
| South Palmyra Water Commission | Palmyra | 838 | 15 | 17 |
| North Tazewell Pwd | East Peoria | 8,300 | 14 | 30 |
| Devils Kitchen Water District | Carbondale | 1,428 | 14 | 27 |
| Reddick | Peru | 196 | 14 | 27 |
| Hinckley | Hinckley | 2,006 | 14 | 16 |
| Diamond Slots | Winnebago | 100 | 13 | 60 |
| Steward | Steward | 238 | 13 | 26 |
| Olympia School | Stanford | 918 | 12 | 130 |
| De Land | Westville | 446 | 12 | 41 |
| Loves Park | Loves Park | 23,335 | 12 | 24 |
| Camargo | Camargo | 750 | 12 | 17 |
| Exeter-Merritt Water Coop | Winchester | 820 | 12 | 14 |
| In Grown Farms 2 LLC | Freeport | 133 | 11 | 495 |
| Steeleville | Steeleville | 1,930 | 11 | 206 |
| Donovan | Donovan | 279 | 11 | 45 |
| Lake Shannon | Reddick | 500 | 11 | 39 |
| Cornerstone Christian Academy | Bloomington | 475 | 11 | 27 |
| La Salle | La Salle | 9,700 | 11 | 23 |
| Modesto | Modesto | 182 | 11 | 15 |
| Camp Point | Camp Point | 1,190 | 11 | 14 |
| Lake of Egypt Pwd | Marion | 11,368 | 11 | 11 |
| Greenwood School | Woodstock | 400 | 10 | 59 |
| Laharpe | La Harpe | 1,200 | 10 | 40 |
| Assumption | Assumption | 1,315 | 10 | 34 |
| Lakeside Pwd | Carbondale | 3,065 | 10 | 32 |
| Seneca Mobile Homes LLC | Morris | 10 | 10 | 26 |
| Buncombe Water District | Carbondale | 1,030 | 10 | 22 |
| Carbondale | Carbondale | 22,107 | 10 | 18 |
| Lemont | Lemont | 17,500 | 10 | 17 |
| Maple Acres MHP | Plainfield | 260 | 10 | 17 |
| Emington | Emington | 120 | 10 | 16 |
| Haviland M.H.P. #1 - Andrea & Debra Ct | Skokie | 78 | 9 | 464 |
| Stratford West Association, Inc. | Macomb | 44 | 9 | 199 |
| Silvis Heights Water Corp | Silvis | 1,450 | 9 | 59 |
| Western Illinois Nature Group | Galesburg | 50 | 9 | 39 |
| Menard Rural Water Coop | Petersburg | 753 | 9 | 32 |
| Pharos Mobile Home Community North | Elburn | 162 | 9 | 27 |
| Millstone Pwd | Nashville | 5,565 | 9 | 24 |
| North Chicago | North Chicago | 16,813 | 9 | 21 |
| Milan | Milan | 4,945 | 9 | 20 |
| Lima | Ursa | 168 | 9 | 19 |
| South Highway Pwd | Makanda | 4,501 | 9 | 14 |
| Bowen | Bowen | 494 | 9 | 12 |
| Altamont | Altamont | 2,300 | 9 | 11 |
| Alexander Water District | Alexander | 442 | 9 | 11 |
| Meadows Mennonite Home | Chenoa | 140 | 8 | 38 |
| Arcola | Arcola | 2,927 | 8 | 30 |
| Lone Grove Forest Preserve | Geneva | 25 | 8 | 27 |
| Casey | Casey | 3,274 | 8 | 26 |
| South Holland | South Holland | 22,000 | 8 | 23 |
| Forest Hills Diamonds | Loves Park | 150 | 8 | 23 |
| Atlanta | Atlanta | 1,692 | 8 | 21 |
| New Hope Waterworks Corp | Fairfield | 1,285 | 8 | 21 |
| Cooksville | Lexington | 157 | 8 | 21 |