Rocky Mtn Ps Lower Main Dam
Key Takeaway
Rocky Mtn Ps Lower Main Dam is classified as high hazard in Georgia. It was completed in 1993 and is 33 years old. Its primary use is hydroelectric. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 80 ft (taller than 99% in GA) |
| Dam Length | 942 ft |
| Dam Type | Gravity |
| Max Storage | 23.5K acre-ft |
| Normal Storage | 19.9K acre-ft |
| Surface Area | 604 acres |
| Drainage Area | 26 sq mi |
| Max Discharge | 24,940 cfs |
| Year Completed | 1993 (33 years old) |
| NID ID | GA00839 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Oglethorpe Power Corporation
Private
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What is the hazard classification of Rocky Mtn Ps Lower Main Dam?
Rocky Mtn Ps Lower Main Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Rocky Mtn Ps Lower Main Dam?
Rocky Mtn Ps Lower Main Dam is owned by Oglethorpe Power Corporation (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rocky Mtn Ps Lower Main Dam built?
Rocky Mtn Ps Lower Main Dam was completed in 1993, making it 33 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 Rocky Mtn Ps Lower Main Dam?
Rocky Mtn Ps Lower Main Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rocky Mtn Ps Lower Main Dam?
Rocky Mtn Ps Lower Main Dam has a dam height of 80 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 Rocky Mtn Ps Lower Main Dam last inspected?
Rocky Mtn Ps Lower Main Dam was last inspected on April 25, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.