Willoughby Woods Dam is an earth dam located in Shelby County, Tennessee, built in 1990. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 26 ft26 ft tall and 730 ft long, taller than 55% 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 Willoughby Woods Dam
The primary purpose of Willoughby Woods Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Willoughby Woods H.o.a. (state). It impounds the Trib-howard Creek near Memphis.
The dam stands 26 feet tall and stretches 730 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 75 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1990, the structure is 36 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 08/15/2023.
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Location
| State | Tennessee |
| County | Shelby |
| Nearest City | Memphis |
| River/Stream | Trib-howard Creek |
| Coordinates | 35.24111, -89.86167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Length | 730 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 67 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Willoughby Woods H.o.a. |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/15/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN15788 |
| Federal ID | TN15788 |
| More Info | State Dam Safety Program |