Lower Twin Mountain Lake Dam
Key Takeaway
Lower Twin Mountain Lake Dam is classified as low hazard in Georgia. It was completed in 1952 and is 74 years old. Its primary use is recreation.
Physical Details
| Dam Height | 51 ft (taller than 96.2% in GA) |
| Dam Length | 488 ft |
| Dam Type | Earth |
| Max Storage | 755 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 560 sq mi |
| Year Completed | 1952 (74 years old) |
| NID ID | GA00682 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Twin Mountain Lakes Association
Private
Nearby Dams
Upper Twin Mountain Lake Dam
Pickens, GA
High Hazard 36 ftJones Lake Dam
Pickens, GA
Low Hazard 48 ftTeaberry Ridge Lake Dam
Pickens, GA
Low Hazard 26 ftTalking Rock Creek WS Str # 13
Pickens, GA
High Hazard 91 ftE. A. Jones Lake Dam
Pickens, GA
Low Hazard 31 ftWigington Lake Dam
Pickens, GA
Low Hazard 54 ftSharp Mountain Creek WS Str # 1
Pickens, GA
High Hazard 58 ftEllison-Stifel Lake Dam
Pickens, GA
Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Lower Twin Mountain Lake Dam?
Lower Twin Mountain Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lower Twin Mountain Lake Dam?
Lower Twin Mountain Lake Dam is owned by Twin Mountain Lakes Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Twin Mountain Lake Dam built?
Lower Twin Mountain Lake Dam was completed in 1952, making it 74 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Lower Twin Mountain Lake Dam?
Lower Twin Mountain Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lower Twin Mountain Lake Dam?
Lower Twin Mountain Lake Dam has a dam height of 51 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Lower Twin Mountain Lake Dam last inspected?
Lower Twin Mountain Lake Dam was last inspected on June 13, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.