Lake In The Sky Dam
Lake In The Sky Dam is an earth dam located in Blount County, Tennessee, built in 1966. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lake In The Sky Dam
Lake In The Sky Dam is a dam in Blount, Tennessee. The dam is owned by Top O' The World L.o.a. (private). It impounds the Flat Creek near West Miller Grove.
The dam stands 33 feet tall and stretches 451 feet across, creates a reservoir covering 52 acres, has a maximum storage capacity of 939 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1966, the structure is well into its service life at over 50 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/02/2024.
At 33 feet, this dam is taller than 78% 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 | Blount |
| Nearest City | West Miller Grove |
| River/Stream | Flat Creek |
| Coordinates | 35.65806, -83.90722 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Length | 451 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 939 acre-ft |
| Max Storage | 939 acre-ft |
| Normal Storage | 605 acre-ft |
| Surface Area | 52 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Top O' The World L.o.a. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/02/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TN00903 |
| Federal ID | TN00903 |
| More Info | State Dam Safety Program |