Mill Creek Lake Dam
Key Takeaway
Mill Creek Lake Dam is classified as low hazard in Iowa. It was completed in 1934 and is 92 years old. Its primary use is recreation.
Physical Details
| Dam Height | 29 ft (taller than 42.8% in IA) |
| Dam Length | 622 ft |
| Dam Type | Earth |
| Max Storage | 500 acre-ft |
| Normal Storage | 125 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1934 (92 years old) |
| Year Modified | 1959 |
| NID ID | IA00837 |
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
Iowa Department of Natural Resources
State Government
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Low Hazard 43 ftFrequently Asked Questions
What is the hazard classification of Mill Creek Lake Dam?
Mill Creek 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 Mill Creek Lake Dam?
Mill Creek Lake Dam is owned by Iowa Department of Natural Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mill Creek Lake Dam built?
Mill Creek Lake Dam was completed in 1934, making it 92 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 Mill Creek Lake Dam?
Mill Creek 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 Mill Creek Lake Dam?
Mill Creek Lake Dam has a dam height of 29 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 Mill Creek Lake Dam last inspected?
Mill Creek Lake Dam was last inspected on June 26, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.