Mahoona Dam
Key Takeaway
Mahoona Dam is classified as low hazard in Alaska. It was completed in 1986 and is 40 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 13 ft (taller than 18.8% in AK) |
| Dam Length | 78 ft |
| Dam Type | Other |
| Max Storage | 400 acre-ft |
| Normal Storage | 305 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 420 cfs |
| Year Completed | 1986 (40 years old) |
| Year Modified | 1996 |
| NID ID | AK00207 |
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
CITY OF OUZINKIE
Local Government
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High Hazard 67 ftFrequently Asked Questions
What is the hazard classification of Mahoona Dam?
Mahoona 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 Mahoona Dam?
Mahoona Dam is owned by CITY OF OUZINKIE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mahoona Dam built?
Mahoona Dam was completed in 1986, making it 40 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 Mahoona Dam?
Mahoona 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 Mahoona Dam?
Mahoona Dam has a dam height of 13 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 Mahoona Dam last inspected?
Mahoona Dam was last inspected on October 25, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.