Middle Fork Obion #7 Dam is an earth dam located in Henry County, Tennessee, built in 1968. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 27 ft27 ft tall and 640 ft long, taller than 59% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Middle Fork Obion #7 Dam
Middle Fork Obion #7 Dam is a dam in Henry, Tennessee. The dam is owned by Middle Fork Obion W.d. (local government). It impounds the Trainer Creek near Palestine.
The dam stands 27 feet tall and stretches 640 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 1,405 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 11/19/2025.
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Location
| State | Tennessee |
| County | Henry |
| Nearest City | Palestine |
| River/Stream | Trainer Creek |
| Coordinates | 36.24028, -88.42028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Length | 640 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 1,405 acre-ft |
| Max Storage | 1,405 acre-ft |
| Normal Storage | 155 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 3 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Middle Fork Obion W.d. |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/19/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN07902 |
| Federal ID | TN07902 |
| More Info | State Dam Safety Program |