48Total Dams
8High Hazard
14Significant
Dam Safety in Montgomery County, Illinois
Montgomery County has 48 dams tracked in the National Inventory of Dams. Of these, 8 are classified as high hazard — meaning failure would probably cause loss of human life. Another 14 carry a significant hazard classification.
The average dam in Montgomery County is 60 years old. The most common purpose is recreation. The tallest dam is Coffeen Gmf Gypsum Stack Dam at 108 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Coffeen Gmf Gypsum Stack Dam | High | Not assessed | 108 | Debris Control | |
| Hillsboro Energy/deer Run/crd 1 Dam | High | Not assessed | 80 | Tailings | |
| Hillboro Energy/deer Run/crd 2 Dam | High | Not assessed | 77 | Other | |
| Lake Lou Yaeger Dam | High | Not assessed | 54 | Recreation | 1966 |
| Litchfield City Lake Dam | High | Not assessed | 51 | Recreation | 1925 |
| Crown 3 Mine North Refuse Extension Dam | High | Not assessed | 35 | Other | 2000 |
| Crown 3 Mine North Refuse Dam | High | Not assessed | 34 | Other | 1982 |
| Shoal Creek Structure 5 Dam | High | Not assessed | 30 | Flood Risk Reduction | 1973 |
| Coffeen Lake Dam | Significant | Not assessed | 70 | Other | 1964 |
| Lake Glenn Shoals Dam | Significant | Not assessed | 56 | Flood Risk Reduction | 1978 |
| Shoal Creek Structure 2 Dam | Significant | Not assessed | 38 | Flood Risk Reduction | 1963 |
| Lake Hillsboro Dam | Significant | Not assessed | 34 | Recreation | 1917 |
| American Zinc Smelter Company Large Lake Dam | Significant | Not assessed | 31 | Water Supply | 1916 |
| Rocky Ford Sportsman Club South Lake Dam | Significant | Not assessed | 30 | Recreation | 1950 |
| Rocky Ford Sportsman Club North Lake Dam | Significant | Not assessed | 29 | Recreation | 1960 |
| Nokomis Sportsmans Club Lake Dam | Significant | Not assessed | 23 | Recreation | 1970 |
| Coffeen Power Sta. Supplemental Cooling Lake Dam | Significant | Not assessed | 21 | Other | 2000 |
| Coffeen Station Coal Yard Pond Dam | Significant | Not assessed | 20 | Other | 1979 |
| Crown 1 Mine Pond Dam | Significant | Not assessed | 11 | Recreation | 1951 |
| Coffeen Station Ash Pond 2 Dam | Significant | Not assessed | 0 | Other | |
| Coffeen Station Ash Pond 1 Dam | Significant | Not assessed | 0 | Other | |
| Ruppert Pond Dam | Significant | Not assessed | 0 | Recreation | 1977 |
| Walton Park Lake Dam | Low | Not assessed | 37 | Recreation | 1870 |
| Shoal Creek Structure 14 Dam | Low | Not assessed | 34 | Flood Risk Reduction | 1971 |
| Sampsons Lake Dam | Low | Not assessed | 32 | Recreation | 1970 |
| Heyen Lake Dam | Low | Not assessed | 32 | Recreation | 1966 |
| Moran Pond Dam 1 | Low | Not assessed | 32 | Fish and Wildlife Pond | 1977 |
| Crown 3 Mine Fine Refuse Pond Extension Dam | Low | Not assessed | 30 | Other | 1995 |
| Vancil Pond Dam 1 | Low | Not assessed | 30 | Fish and Wildlife Pond | 1955 |
| Mcwilliams Pond Dam 1 | Low | Not assessed | 30 | Fish and Wildlife Pond | 1970 |
| Johnson Pond Dam 1 | Low | Not assessed | 30 | Fish and Wildlife Pond | 1966 |
| Ekiss Pond Dam 1 | Low | Not assessed | 29 | Fish and Wildlife Pond | 1978 |
| Traylor Pond Dam 1 | Low | Not assessed | 28 | Fish and Wildlife Pond | 1978 |
| Hughes Pond Dam 1 | Low | Not assessed | 28 | Fish and Wildlife Pond | 1974 |
| Kilton Pond Dam 2 | Low | Not assessed | 28 | Fish and Wildlife Pond | 1963 |
| Bell Pond Dam 1 | Low | Not assessed | 27 | Fish and Wildlife Pond | 1964 |
| Matthews Pond 1 | Low | Not assessed | 25 | Irrigation | 1969 |
| Rohrer Pond Dam 1 | Low | Not assessed | 25 | Fish and Wildlife Pond | 1970 |
| Matway Pond Dam 1 | Low | Not assessed | 25 | Fish and Wildlife Pond | 1965 |
| Six Pond Dam 1 | Low | Not assessed | 25 | Fish and Wildlife Pond | 1961 |
| Heenren Pond Dam | Low | Not assessed | 23 | Recreation | 1970 |
| Coffeen Southwest Detention Pond Dam | Low | Not assessed | 23 | Flood Risk Reduction | 2010 |
| Mathews Pond Dam 2 | Low | Not assessed | 23 | Irrigation | 1974 |
| Fillmore Lake Dam | Low | Not assessed | 22 | Recreation | 1970 |
| Kilton Lake Dam | Low | Not assessed | 19 | Fish and Wildlife Pond | 1960 |
| Panama Lake Dam | Low | Not assessed | 18 | Recreation | 1928 |
| Coffeen Gmf Recycle Pond Dam | Low | Not assessed | 16 | Debris Control | |
| Coffeen East Fork Shoal Creek Gate Dam | Low | Not assessed | 12 | Water Supply | 2010 |