Twelve Mile Creek Watershed Site 46
Key Takeaway
Twelve Mile Creek Watershed Site 46 is classified as low hazard in Iowa. It was completed in 1993 and is 33 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 28 ft (taller than 36.9% in IA) |
| Dam Length | 346 ft |
| Dam Type | Earth |
| Max Storage | 119 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1993 (33 years old) |
| NID ID | IA02942 |
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
Weis Dam
Union, IA
Low Hazard 34 ftCrittenden Dam
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Low Hazard 29 ftTwelve Mile Creek Watershed Site 48
Union, IA
Low Hazard 32 ftHayes Cattle Company Dam
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Low Hazard 29 ftStickles Dam
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Low Hazard 31 ftTwelve Mile Creek Watershed Site 40-1
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Low Hazard 33 ftTwelve Mile Creek Watershed Site D-41-A-3
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Low Hazard 33 ftTwelve Mile Creek Watershed Site D-44
Union, IA
Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Twelve Mile Creek Watershed Site 46?
Twelve Mile Creek Watershed Site 46 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 Twelve Mile Creek Watershed Site 46?
Twelve Mile Creek Watershed Site 46 is owned by Union County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twelve Mile Creek Watershed Site 46 built?
Twelve Mile Creek Watershed Site 46 was completed in 1993, making it 33 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 Twelve Mile Creek Watershed Site 46?
Twelve Mile Creek Watershed Site 46 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 Twelve Mile Creek Watershed Site 46?
Twelve Mile Creek Watershed Site 46 has a dam height of 28 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.