Mc Kinley Lake Dam
Key Takeaway
Mc Kinley Lake Dam is classified as significant hazard in Iowa. It was completed in 1920 and is 106 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 19 ft (taller than 6.5% in IA) |
| Dam Length | 780 ft |
| Dam Type | Earth |
| Max Storage | 290 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | IA01376 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Creston
Local Government
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Low Hazard 25 ftTwelve Mile Creek Watershed Site 68-2
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Mc Kinley Lake Dam?
Mc Kinley Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mc Kinley Lake Dam?
Mc Kinley Lake Dam is owned by City of Creston (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mc Kinley Lake Dam built?
Mc Kinley Lake Dam was completed in 1920, making it 106 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 Mc Kinley Lake Dam?
Mc Kinley 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 Mc Kinley Lake Dam?
Mc Kinley Lake Dam has a dam height of 19 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 Mc Kinley Lake Dam last inspected?
Mc Kinley Lake Dam was last inspected on May 27, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.