Lake Lajoie Dam is an earth dam located in Hardeman County, Tennessee, built in 1935. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 1,000 ft long, taller than 50% 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 Lake Lajoie Dam
Lake Lajoie Dam is a dam in Hardeman, Tennessee. The dam is owned by Tdec (state). It impounds the Trib-gray's Creek near Shandy.
The dam stands 25 feet tall and stretches 1,000 feet across, creates a reservoir covering 66 acres, has a maximum storage capacity of 640 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.
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 05/17/2024.
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Location
| State | Tennessee |
| County | Hardeman |
| Nearest City | Shandy |
| River/Stream | Trib-gray's Creek |
| Coordinates | 35.34556, -88.88750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 640 acre-ft |
| Max Storage | 640 acre-ft |
| Normal Storage | 402 acre-ft |
| Surface Area | 66 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Tdec |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/17/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN06920 |
| Federal ID | TN06920 |
| More Info | State Dam Safety Program |