Cumberland Mtn. Lake #5 Dam
Cumberland Mtn. Lake #5 Dam is an earth dam located in Grundy County, Tennessee, built in 1968. It carries a Low hazard potential classification.
About Cumberland Mtn. Lake #5 Dam
The primary purpose of Cumberland Mtn. Lake #5 Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Plateau Holdings, Llc (private). It impounds the Mill Creek near Prairie Plains.
The dam stands 27 feet tall and stretches 1,300 feet across, creates a reservoir covering 65 acres, has a maximum storage capacity of 1,114 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 11/03/2021.
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Location
| State | Tennessee |
| County | Grundy |
| Nearest City | Prairie Plains |
| River/Stream | Mill Creek |
| Coordinates | 35.39222, -85.87778 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Length | 1,300 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 1,114 acre-ft |
| Max Storage | 1,114 acre-ft |
| Normal Storage | 684 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Plateau Holdings, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 11/03/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN06105 |
| Federal ID | TN06105 |
| More Info | State Dam Safety Program |