Mcminnville Water Supply Dam
Mcminnville Water Supply Dam is a concrete dam located in Warren County, Tennessee, built in 1900. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Mcminnville Water Supply Dam
The primary purpose of Mcminnville Water Supply Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Mcminnville (local government). It impounds the Barren Fork near Mcminnville.
The dam stands 18 feet tall and stretches 291 feet across, creates a reservoir covering 89 acres, has a maximum storage capacity of 623 acre-feet, and collects water from a drainage area of 297 square miles. Completed in 1900, the structure is over a century 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 09/11/2023.
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Location
| State | Tennessee |
| County | Warren |
| Nearest City | Mcminnville |
| River/Stream | Barren Fork |
| Coordinates | 35.67478, -85.77710 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 18 ft |
| Dam Length | 291 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 623 acre-ft |
| Max Storage | 623 acre-ft |
| Normal Storage | 623 acre-ft |
| Surface Area | 89 acres |
| Drainage Area | 297 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City Of McMinnville |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/11/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN17706 |
| Federal ID | TN17706 |
| More Info | State Dam Safety Program |