Cumberland Mtn Lake#3, located in BOST COVE, Grundy, Tennessee, is a privately owned earth dam constructed in 1972 on Mill Creek.
Wind
Humidity
With a hydraulic height of 22.2 feet and a structural height of 24.5 feet, this dam stands at a total height of 25 feet and spans 925 feet in length. It has a maximum storage capacity of 384 acre-feet and a normal storage capacity of 302 acre-feet, covering a surface area of 34 acres with a drainage area of 0.39 square miles.
Despite being categorized with a low hazard potential, Cumberland Mtn Lake#3 is rated as moderate in terms of risk assessment. The dam has not been inspected since December 2016, with a scheduled inspection frequency of 5 years. While the condition assessment remains unrated, there is no Emergency Action Plan (EAP) in place, and the dam does not meet regulatory guidelines for inundation maps or emergency contacts. Although there are no associated structures or locks, the dam does have an uncontrolled spillway and outlet gates.
Overall, Cumberland Mtn Lake#3 serves as a significant water resource in Grundy, Tennessee, providing storage for the surrounding area. Climate and water resource enthusiasts may be interested in the engineering and maintenance challenges associated with this privately owned dam, as well as the risk management measures in place to ensure public safety in the event of any emergencies.
Year Completed |
1972 |
Dam Length |
925 |
River Or Stream |
MILL CREEK |
Primary Dam Type |
Earth |
Surface Area |
34 |
Hydraulic Height |
22.2 |
Drainage Area |
0.39 |
Nid Storage |
384 |
Structural Height |
24.5 |
Outlet Gates |
None |
Hazard Potential |
Low |
Nid Height |
25 |