Cotton Grove Dam
Cotton Grove Dam is an earth dam located in Madison County, Tennessee, built in 1985. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Cotton Grove Dam
Cotton Grove Dam is a dam in Madison, Tennessee. The dam is owned by Wtrba (state). It impounds the Cotton Grove Creek.
The dam stands 22 feet tall and stretches 490 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 198 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1985, the structure is 41 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 11/05/2024.
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Location
| State | Tennessee |
| County | Madison |
| River/Stream | Cotton Grove Creek |
| Coordinates | 35.70833, -88.66806 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Length | 490 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 198 acre-ft |
| Max Storage | 198 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Wtrba |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/05/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN11332 |
| Federal ID | TN11332 |
| More Info | State Dam Safety Program |