Twelvemile Creek Watershed Site D-41-A2
Key Takeaway
Twelvemile Creek Watershed Site D-41-A2 is classified as low hazard in Iowa. It was completed in 1999 and is 27 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 38 ft (taller than 80.1% in IA) |
| Dam Length | 544 ft |
| Dam Type | Earth |
| Max Storage | 411 acre-ft |
| Normal Storage | 102 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | IA03278 |
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
Twelve Mile Creek Watershed Site D-41a4
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Low Hazard 33 ftTwelve Mile Creek Watershed Site D-41-A-5
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Low Hazard 29 ftCheers Dam
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Low Hazard 36 ftTwelve Mile Creek Watershed Site 40-1
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Low Hazard 33 ftTwelve Mile Creek Watershed Site D-44
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Twelvemile Creek Watershed Site D-41-A2?
Twelvemile Creek Watershed Site D-41-A2 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 Twelvemile Creek Watershed Site D-41-A2?
Twelvemile Creek Watershed Site D-41-A2 is owned by Union County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twelvemile Creek Watershed Site D-41-A2 built?
Twelvemile Creek Watershed Site D-41-A2 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 Twelvemile Creek Watershed Site D-41-A2?
Twelvemile Creek Watershed Site D-41-A2 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 Twelvemile Creek Watershed Site D-41-A2?
Twelvemile Creek Watershed Site D-41-A2 has a dam height of 38 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.