Lake Bennington Dam
Lake Bennington Dam is an earth dam located in Shelby County, Tennessee, built in 1981. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lake Bennington Dam
Lake Bennington Dam is a dam in Shelby, Tennessee. The dam is owned by Villages Of Bennington (private). It impounds the Trib-nonconnah River.
The dam stands 24 feet tall and stretches 760 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/10/2025.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Tennessee dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Tennessee |
| County | Shelby |
| River/Stream | Trib-nonconnah River |
| Coordinates | 35.01269, -89.83617 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Length | 760 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 113 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Villages Of Bennington |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/10/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TN15781 |
| Federal ID | TN15781 |
| More Info | State Dam Safety Program |