Powell Dam is an earth dam located in Haywood County, Tennessee, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 640 ft long, taller than 62% of U.S. dams with a recorded height. 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 Powell Dam
Powell Dam is a dam in Haywood, Tennessee. The dam is owned by Powell, Kirby (private). It impounds the Trib-mud Creek near Mercer.
The dam stands 28 feet tall and stretches 640 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 202 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 07/12/2022.
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Location
| State | Tennessee |
| County | Haywood |
| Nearest City | Mercer |
| River/Stream | Trib-mud Creek |
| Coordinates | 35.59722, -89.13750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Length | 640 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 202 acre-ft |
| Max Storage | 202 acre-ft |
| Normal Storage | 155 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Powell, Kirby |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/12/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN07508 |
| Federal ID | TN07508 |
| More Info | State Dam Safety Program |