Hiawatha Dam is an earth dam located in Cumberland County, Tennessee, built in 1965. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 14 ft14 ft tall and 930 ft long. 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 Hiawatha Dam
Hiawatha 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 Homestead.
The dam stands 14 feet tall and stretches 930 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 105 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 02/12/2024.
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Location
| State | Tennessee |
| County | Cumberland |
| Nearest City | Homestead |
| River/Stream | Byrd Creek |
| Coordinates | 35.87722, -85.05222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Length | 930 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 105 acre-ft |
| Max Storage | 105 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 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 | 02/12/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN03521 |
| Federal ID | TN03521 |
| More Info | State Dam Safety Program |