Madison Lake Dam
Madison Lake Dam is an earth dam located in Madison County, Ohio, built in 1946. It carries a Significant hazard potential classification and has a poor condition assessment.
About Madison Lake Dam
The primary purpose of Madison Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Odnr, Division Of Parks & Watercraft (state). It impounds the Deer Creek near Mount Sterling.
The dam stands 26 feet tall and stretches 1,120 feet across, creates a reservoir covering 112 acres, has a maximum storage capacity of 1,799 acre-feet, and collects water from a drainage area of 54 square miles. Completed in 1946, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 11/16/2022.
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Location
| State | Ohio |
| County | Madison |
| Nearest City | Mount Sterling |
| River/Stream | Deer Creek |
| Coordinates | 39.86583, -83.37611 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 1,120 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 1,799 acre-ft |
| Max Storage | 1,799 acre-ft |
| Normal Storage | 653 acre-ft |
| Surface Area | 112 acres |
| Drainage Area | 54 sq mi |
| Max Discharge | 7,973 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | ODNR, Division of Parks & Watercraft |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/16/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OH00439 |
| Federal ID | OH00439 |
| More Info | State Dam Safety Program |