Grand Valley #1 Dam is an earth dam located in Hardeman County, Tennessee, built in 1965. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 37 ft37 ft tall and 1,320 ft long, taller than 83% 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 Grand Valley #1 Dam
Grand Valley #1 Dam is a dam in Hardeman, Tennessee. The dam is owned by Grand Valley Lakes P.o.a. (private). It impounds the Gin Pond Branch near Bolivar.
The dam stands 37 feet tall and stretches 1,320 feet across, creates a reservoir covering 102 acres, has a maximum storage capacity of 1,976 acre-feet, and collects water from a drainage area of 1 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 05/07/2024.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Tennessee |
| County | Hardeman |
| Nearest City | Bolivar |
| River/Stream | Gin Pond Branch |
| Coordinates | 35.15111, -89.01694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Length | 1,320 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 1,976 acre-ft |
| Max Storage | 1,976 acre-ft |
| Normal Storage | 1,212 acre-ft |
| Surface Area | 102 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Grand Valley Lakes P.o.a. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/07/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN06924 |
| Federal ID | TN06924 |
| More Info | State Dam Safety Program |