Three Mile Lake Sediment Dam
Key Takeaway
Three Mile Lake Sediment Dam is classified as low hazard in Iowa. It was completed in 1999 and is 27 years old. Its primary use is other.
Physical Details
| Dam Height | 26 ft (taller than 24.7% in IA) |
| Dam Length | 480 ft |
| Dam Type | Earth |
| Max Storage | 122 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | IA03352 |
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
Nearby Dams
Double Time Farms Dam
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Low Hazard 27 ftThree Mile Creek Watershed Site 36
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Low Hazard 35 ftUnion County Roadgrade Dam 29-73-29
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Low Hazard 39 ftThree Mile Creek Watershed Site 42
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Low Hazard 35 ftThree Mile Creek Watershed Site 45-1
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Low Hazard 31 ftThree Mile Creek Watershed Site 45-2
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Low Hazard 31 ftThree Mile Creek Watershed Site 43-1
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Low Hazard 32 ftThree Mile Creek Watershed Site 33
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Low Hazard 36 ftFrequently Asked Questions
What is the hazard classification of Three Mile Lake Sediment Dam?
Three Mile Lake Sediment 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 Three Mile Lake Sediment Dam?
Three Mile Lake Sediment 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 Three Mile Lake Sediment Dam built?
Three Mile Lake Sediment Dam was completed in 1999, making it 27 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 Three Mile Lake Sediment Dam?
Three Mile Lake Sediment Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Three Mile Lake Sediment Dam?
Three Mile Lake Sediment Dam has a dam height of 26 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 Three Mile Lake Sediment Dam last inspected?
Three Mile Lake Sediment Dam was last inspected on October 23, 2003. Inspection dates indicate when a formal review occurred, not the results of that inspection.