Thompson Lake Dam
Thompson Lake Dam is an earth dam located in Loudon County, Tennessee, built in 1973. It carries a Significant hazard potential classification.
About Thompson Lake Dam
The primary purpose of Thompson Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Thompson, B. Ray, Jr. (private). It impounds the Muddy Creek.
The dam stands 23 feet tall and stretches 270 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 41 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1973, the structure is well into its service life at over 50 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. The most recent inspection on record was 07/20/2023.
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Location
| State | Tennessee |
| County | Loudon |
| River/Stream | Muddy Creek |
| Coordinates | 35.84194, -84.20389 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Length | 270 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 41 acre-ft |
| Max Storage | 41 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Thompson, B. Ray, Jr. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Last Inspection | 07/20/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN10511 |
| Federal ID | TN10511 |
| More Info | State Dam Safety Program |