Three Mile Creek Watershed Site 29
Key Takeaway
Three Mile Creek Watershed Site 29 is classified as low hazard in Iowa. It was completed in 1970 and is 56 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 33 ft (taller than 63.3% in IA) |
| Dam Length | 403 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | IA01085 |
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
Union County SWCD
Local Government
Nearby Dams
Three Mile Creek Watershed Site 14-G-1
Union, IA
Low Hazard 27 ftThree Mile Reservoir Dam
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Significant Hazard 63 ftThree Mile Creek Watershed Site 33
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Low Hazard 36 ftThree Mile Creek Watershed Site 14-G
Union, IA
Low Hazard 31 ftUnion County Roadgrade Dam 29-73-29
Union, IA
Low Hazard 39 ftThree Mile Creek Watershed Site 36
Union, IA
Low Hazard 35 ftRipperger Dam
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Low Hazard 32 ftTwelve Mile Creek Watershed Site 58
Union, IA
Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Three Mile Creek Watershed Site 29?
Three Mile Creek Watershed Site 29 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 Creek Watershed Site 29?
Three Mile Creek Watershed Site 29 is owned by Union County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Three Mile Creek Watershed Site 29 built?
Three Mile Creek Watershed Site 29 was completed in 1970, making it 56 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 Creek Watershed Site 29?
Three Mile Creek Watershed Site 29 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Three Mile Creek Watershed Site 29?
Three Mile Creek Watershed Site 29 has a dam height of 33 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.