Mckinnon Dam
Mckinnon Dam is an earth dam located in Marshall County, Tennessee, built in 1973. It carries a Significant hazard potential classification.
About Mckinnon Dam
Mckinnon Dam is a dam in Marshall, Tennessee. The dam is owned by Smith, David D. (private). It impounds the East Fork Bradshaw Creek.
The dam stands 25 feet tall and stretches 263 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 55 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1973, 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. The most recent inspection on record was 11/16/2022.
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Location
| State | Tennessee |
| County | Marshall |
| River/Stream | East Fork Bradshaw Creek |
| Coordinates | 35.27889, -86.78833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Length | 263 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Smith, David D. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Last Inspection | 11/16/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN11702 |
| Federal ID | TN11702 |
| More Info | State Dam Safety Program |