Ohio Power Company Pond Mb-46 Dam
Ohio Power Company Pond Mb-46 Dam is an earth dam located in Morgan County, Ohio, built in 1960. It carries a Significant hazard potential classification and has a fair condition assessment.
About Ohio Power Company Pond Mb-46 Dam
Ohio Power Company Pond Mb-46 Dam is a dam in Morgan, Ohio. The dam is owned by Odnr, Division Of Wildlife (state). It impounds the Brannon Fork near Unionville.
The dam stands 59 feet tall and stretches 700 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 3,802 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 10/26/2023.
At 59 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Ohio |
| County | Morgan |
| Nearest City | Unionville |
| River/Stream | Brannon Fork |
| Coordinates | 39.75056, -81.69889 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 59 ft |
| Dam Height | 59 ft |
| Dam Length | 700 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 3,802 acre-ft |
| Max Storage | 3,802 acre-ft |
| Normal Storage | 280 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,182 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | ODNR, Division of Wildlife |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/26/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH00835 |
| Federal ID | OH00835 |
| More Info | State Dam Safety Program |