Fernvale Lake Dam is an earth dam located in Williamson County, Tennessee, built in 1945. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 26 ft26 ft tall and 150 ft long, taller than 55% 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 Fernvale Lake Dam
The primary purpose of Fernvale Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fernvale Hunting & Fishing Club Inc (private). It impounds the Trib-south Harpeth River near Fernvale.
The dam stands 26 feet tall and stretches 150 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 35 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1945, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 05/03/2022.
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Location
| State | Tennessee |
| County | Williamson |
| Nearest City | Fernvale |
| River/Stream | Trib-south Harpeth River |
| Coordinates | 35.95778, -87.08444 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Length | 150 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Fernvale Hunting & Fishing Club Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/03/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN18704 |
| Federal ID | TN18704 |
| More Info | State Dam Safety Program |