Glastowbury Dam is an earth dam located in Cumberland County, Tennessee, built in 1979. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 98 ft98 ft tall and 570 ft long, taller than 98% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Glastowbury Dam
The primary purpose of Glastowbury Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fairfield Glade Community Club (private). It impounds the Trail Branch.
The dam stands 98 feet tall and stretches 570 feet across, creates a reservoir covering 53 acres, has a maximum storage capacity of 2,880 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1979, the structure is 47 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 10/08/2024.
At 98 feet, this dam is taller than 98% of all dams in the United States.
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Location
| State | Tennessee |
| County | Cumberland |
| River/Stream | Trail Branch |
| Coordinates | 35.98528, -84.86917 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 98 ft |
| Dam Length | 570 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 2,880 acre-ft |
| Max Storage | 2,880 acre-ft |
| Normal Storage | 2,400 acre-ft |
| Surface Area | 53 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Fairfield Glade Community Club |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/08/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN03546 |
| Federal ID | TN03546 |
| More Info | State Dam Safety Program |