Middle Fork Obion #9 Dam
Middle Fork Obion #9 Dam is an earth dam located in Henry County, Tennessee, built in 1970. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Middle Fork Obion #9 Dam
Middle Fork Obion #9 Dam is a dam in Henry, Tennessee. The dam is owned by Middle Fork Obion W.d. (local government). It impounds the Middle Fork Obion River near Sharon.
The dam stands 36 feet tall and stretches 812 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 617 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1970, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/15/2023.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Tennessee |
| County | Henry |
| Nearest City | Sharon |
| River/Stream | Middle Fork Obion River |
| Coordinates | 36.24639, -88.46250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Length | 812 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 617 acre-ft |
| Max Storage | 617 acre-ft |
| Normal Storage | 89 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Middle Fork Obion W.d. |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/15/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN07908 |
| Federal ID | TN07908 |
| More Info | State Dam Safety Program |