Hidden Lake Dam is an earth dam located in Maury County, Tennessee, built in 2000. It carries a High hazard potential classification.
Dam profile
NID height · 57 ft57 ft tall and 800 ft long, taller than 94% 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 Hidden Lake Dam
The primary purpose of Hidden Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Beaman, Lee (private). It impounds the Black Branch.
The dam stands 57 feet tall and stretches 800 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 833 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2000, the structure is 26 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. The most recent inspection on record was 08/24/2021.
At 57 feet, this dam is taller than 94% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Tennessee dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Tennessee |
| County | Maury |
| River/Stream | Black Branch |
| Coordinates | 35.82389, -87.16083 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 57 ft |
| Dam Length | 800 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 833 acre-ft |
| Max Storage | 833 acre-ft |
| Normal Storage | 569 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Beaman, Lee |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not assessed |
| Last Inspection | 08/24/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN11938 |
| Federal ID | TN11938 |
| More Info | State Dam Safety Program |