Dams in Marion County, Ohio

3Total Dams
1High Hazard
2Significant

Dam Safety in Marion County, Ohio

Marion County has 3 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 2 carry a significant hazard classification. Currently, 1 dams have a condition assessment of poor or unsatisfactory.

The average dam in Marion County is 44 years old. The most common purpose is tailings. The tallest dam is Delaware Dam - Waldo Levee at 30 ft.

DamHazardConditionHeight (ft)PurposeYear
Delaware Dam - Waldo LeveeHighNot Available30Flood Risk Reduction1948
Larue Wastewater Treatment LagoonSignificantSatisfactory10Tailings2001
Big Island Wetland DamSignificantPoor9Recreation1995