27Total Dams
1High Hazard
4Significant
Dam Safety in Morgan County, Illinois
Morgan County has 27 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification.
The average dam in Morgan County is 63 years old. The most common purpose is recreation. The tallest dam is Lake Jacksonville Dam at 54 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Mauvaise Terre Lake Dam | High | Not assessed | 30 | Recreation | 1923 |
| Lake Jacksonville Dam | Significant | Not assessed | 54 | Recreation | 1939 |
| Murrayville Woodson Lake Dam | Significant | Not assessed | 28 | Water Supply | 1963 |
| Rowe Lake Dam | Significant | Not assessed | 27 | Recreation | 1970 |
| Valevue Lake Dam | Significant | Not assessed | 20 | Recreation | 1970 |
| Ware Brothers Pond Dam | Low | Not assessed | 38 | Recreation | 1968 |
| Applebee Pond Dam | Low | Not assessed | 37 | Recreation | 1967 |
| Waverly City Lake Dam | Low | Not assessed | 35 | Water Supply | 1939 |
| Freitag Lake Dam | Low | Not assessed | 34 | Recreation | 1970 |
| Roegge Pond Dam | Low | Not assessed | 31 | Fish and Wildlife Pond | 1978 |
| Swagmeyer Pond Dam | Low | Not assessed | 31 | Other | 1977 |
| Nickel's Pond Dam | Low | Not assessed | 30 | Fish and Wildlife Pond | 1972 |
| Carrigan Pond Dam | Low | Not assessed | 29 | Fish and Wildlife Pond | 1972 |
| Hadden Pond Dam | Low | Not assessed | 29 | Fish and Wildlife Pond | 1961 |
| Jurgens Brothers Lake Dam | Low | Not assessed | 28 | Recreation | 1968 |
| Gravel Springs Dam | Low | Not assessed | 28 | Fish and Wildlife Pond | 1990 |
| Hess Pond Dam | Low | Not assessed | 28 | Fish and Wildlife Pond | 1969 |
| Gross Farms Dam | Low | Not assessed | 27 | Recreation | 2005 |
| Smith Pond Dam | Low | Not assessed | 27 | Fish and Wildlife Pond | 1968 |
| Becker Pond Dam | Low | Not assessed | 27 | Fish and Wildlife Pond | 1976 |
| Concord Reservoir Dam | Low | Not assessed | 26 | Recreation | 1910 |
| Defrates-shaeffer Lake Dam | Low | Not assessed | 26 | Recreation | 1976 |
| Rawlings Pond Dam | Low | Not assessed | 26 | Fish and Wildlife Pond | 1969 |
| Retzer Pond Dam | Low | Not assessed | 26 | Fish and Wildlife Pond | 1969 |
| Franklin Waverly Outing Club Lake Dam | Low | Not assessed | 25 | Recreation | 1900 |
| Panhandle Eastern Waverly Lake Dam | Low | Not assessed | 19 | Recreation | 1966 |
| Lake Mauvaise Terre Dredge Basin Dam | Low | Not assessed | 17 | Other |