Dams in Defiance County, Ohio
11Total Dams
1High Hazard
5Significant
Dam Safety in Defiance County, Ohio
Defiance County has 11 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 5 carry a significant hazard classification. Currently, 4 dams have a condition assessment of poor or unsatisfactory.
The average dam in Defiance County is 64 years old. The most common purpose is recreation. The tallest dam is General Motors Primary Lagoon at 30 ft.
Explore more: Oldest dams in Ohio · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Defiance Upground Reservoir | High | Fair | 24 | Water Supply | 2007 |
| General Motors Primary Lagoon | Significant | Fair | 30 | Water Supply | 1940 |
| General Motors Secondary Lagoon | Significant | Poor | 29 | Tailings | |
| Hickory Lake Dam | Significant | Poor | 26 | Recreation | 1964 |
| Independence Dam | Significant | Poor | 12 | Recreation | 1924 |
| Auglaize River Wwt Lagoon | Significant | Satisfactory | 12 | Debris Control | 2011 |
| Kettenring Hills Lake Dam | Low | Fair | 30 | Recreation | 1976 |
| Auglaize Hydro | Low | Satisfactory | 25 | Hydroelectric | 1913 |
| Oxbow Lake Dam | Low | Poor | 18 | Recreation | 1953 |
| Camp Lakota Boy Scout Lake Dam | Low | Fair | 15 | Recreation | 1969 |
| Bear Lake Dam | Undetermined | Not Rated | 20 | Recreation |