Dams in Washington County, Illinois
13Total Dams
2High Hazard
2Significant
Dam Safety in Washington County, Illinois
Washington County has 13 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification.
The average dam in Washington County is 66 years old. The most common purpose is recreation. The tallest dam is Prairie State Energy Raw Water Dam at 40 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Prairie State Energy Raw Water Dam | High | Not Available | 40 | Water Supply | 2010 |
| Nashville City Reservoir Dam | High | Not Available | 26 | Recreation | 1935 |
| Wildlife Lake Dam | Significant | Not Available | 30 | Water Supply | 1941 |
| Illinois Central Railroad Reservoir Dam | Significant | Not Available | 24 | Recreation | 1930 |
| Williams Lake Dam | Low | Not Available | 29 | Recreation | 1968 |
| Washington County Lake Dam | Low | Not Available | 26 | Recreation | 1962 |
| Piney Wood Lake Dam | Low | Not Available | 26 | Recreation | 1954 |
| Hickory Lake Dam | Low | Not Available | 24 | Recreation | 1971 |
| Schneider Pond Dam 1 | Low | Not Available | 23 | Other | 1968 |
| Habbes Lake Dam | Low | Not Available | 19 | Fire Protection, Stock, Or Small Fish Pond | 1974 |
| Nashville City Reservoir 2 Dam | Low | Not Available | 18 | Other | 1935 |
| Huegelys Lake Dam | Low | Not Available | 15 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Flying M Ranch Lake Dam | Low | Not Available | 11 | Recreation | 1963 |