Mohawk Dam is an earth dam located in Cumberland County, Tennessee, built in 1980. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 44 ft44 ft tall and 690 ft long, taller than 89% 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 Mohawk Dam
Mohawk Dam is a dam in Cumberland, Tennessee. The dam is owned by Lake Tansi Village P.o.a. (private). It impounds the Byrd Creek near Coon Hollow.
The dam stands 44 feet tall and stretches 690 feet across, creates a reservoir covering 56 acres, has a maximum storage capacity of 1,611 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1980, the structure is 46 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 03/12/2025.
At 44 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Tennessee |
| County | Cumberland |
| Nearest City | Coon Hollow |
| River/Stream | Byrd Creek |
| Coordinates | 35.89361, -85.04250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 44 ft |
| Dam Length | 690 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 1,611 acre-ft |
| Max Storage | 1,611 acre-ft |
| Normal Storage | 763 acre-ft |
| Surface Area | 56 acres |
| Drainage Area | 3 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Lake Tansi Village P.o.a. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/12/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN03537 |
| Federal ID | TN03537 |
| More Info | State Dam Safety Program |