Whippoorwill Lake Dam
Whippoorwill Lake Dam is an earth dam located in Maury County, Tennessee, built in 1983. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Whippoorwill Lake Dam
Whippoorwill Lake Dam is a dam in Maury, Tennessee. The dam is owned by Twra (private).
The dam stands 40 feet tall and stretches 841 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 800 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1983, the structure is 43 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 01/27/2025.
At 40 feet, this dam is taller than 87% 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 |
| Coordinates | 35.72111, -87.20167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Length | 841 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 800 acre-ft |
| Max Storage | 800 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Twra |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/27/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN11937 |
| Federal ID | TN11937 |
| More Info | State Dam Safety Program |