Dams in Knox County, Ohio

16Total Dams
6High Hazard
8Significant

Dam Safety in Knox County, Ohio

Knox County has 16 dams tracked in the National Inventory of Dams. Of these, 6 are classified as high hazard — meaning failure would probably cause loss of human life. Another 8 carry a significant hazard classification. Currently, 6 dams have a condition assessment of poor or unsatisfactory.

The average dam in Knox County is 53 years old. The most common purpose is recreation. The tallest dam is Apple Valley Lake Dam at 91 ft.

DamHazardConditionHeight (ft)PurposeYear
Apple Valley Lake DamHighPoor91Recreation1971
North Branch Kokosing DamHighNot Available71Flood Risk Reduction1972
Knox Lake DamHighSatisfactory52Recreation1954
Lake Viering DamHighPoor47Recreation1964
Lake Damascus DamHighPoor31Recreation2010
Knox Cattle Company DamHighUnsatisfactory20Recreation1945
Workman Lake DamSignificantPoor30Recreation
Anjecondy Lake DamSignificantSatisfactory29Recreation1950
Ashley Lake DamSignificantFair25Recreation1971
Neutralized Water Impoundment 2SignificantFair22Tailings1989
Neutralized Water Impoundment 3SignificantFair20Tailings1997
Cline Lake DamSignificantFair19Recreation1958
The Lake Of Jules DamSignificantPoor19Recreation
Millwood Plant DamSignificantFair14Water Supply
Hance Lake DamLowFair28Recreation1991
Lakeview Lake DamUndeterminedNot Rated23Recreation