No. Fork Forked Deer #31a Dam is an earth dam located in Gibson County, Tennessee, built in 2002. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 483 ft long. 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 No. Fork Forked Deer #31a Dam
The primary purpose of No. Fork Forked Deer #31a Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Gibson County (local government). It impounds the Trib-no. Fork Forked Deer.
The dam stands 20 feet tall and stretches 483 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 87 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2002, the structure is relatively new.
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 01/28/2025.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Tennessee |
| County | Gibson |
| River/Stream | Trib-no. Fork Forked Deer |
| Coordinates | 35.90389, -88.89778 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Length | 483 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 87 acre-ft |
| Max Storage | 87 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Gibson County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/28/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN05345 |
| Federal ID | TN05345 |
| More Info | State Dam Safety Program |