Longwood Dam
Longwood Dam is an earth dam located in Shelby County, Tennessee, built in 1965. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Longwood Dam
Longwood Dam is a dam in Shelby, Tennessee. The dam is owned by Longwood H.o.a. (private). It impounds the Trib-wolf River near Memphis.
The dam stands 11 feet tall and stretches 725 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 44 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/03/2024.
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Location
| State | Tennessee |
| County | Shelby |
| Nearest City | Memphis |
| River/Stream | Trib-wolf River |
| Coordinates | 35.07111, -89.69861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Length | 725 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 44 acre-ft |
| Max Storage | 44 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Longwood H.o.a. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/03/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN15789 |
| Federal ID | TN15789 |
| More Info | State Dam Safety Program |