East Fork Grand River Watershed Site B-31a
Key Takeaway
East Fork Grand River Watershed Site B-31a is classified as low hazard in Iowa. It was completed in 2010 and is 16 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 28 ft (taller than 36.9% in IA) |
| Dam Length | 485 ft |
| Dam Type | Earth |
| Max Storage | 46 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 157 cfs |
| Year Completed | 2010 (16 years old) |
| NID ID | IA04163 |
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
LB Dooley Trust & Ringgold County SWCD
Local Government
Nearby Dams
East Fork Grand River Watershed Site B-29
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Low Hazard 29 ftShaha Dam
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Low Hazard 36 ftEast Fork Grand River Watershed Site D-81
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Low Hazard 28 ftEast Fork Grand River Watershed Site D-80
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Low Hazard 28 ftEast Fork Grand River Watershed Site D-82
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Low Hazard 25 ftEast Fork Grand River Watershed Site D-80
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Low Hazard 28 ftEast Fork Grand River Watershed Site E-26
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Low Hazard 26 ftEast Fork Grand River Watershed Site A-116
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of East Fork Grand River Watershed Site B-31a?
East Fork Grand River Watershed Site B-31a 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 East Fork Grand River Watershed Site B-31a?
East Fork Grand River Watershed Site B-31a is owned by LB Dooley Trust & Ringgold County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was East Fork Grand River Watershed Site B-31a built?
East Fork Grand River Watershed Site B-31a was completed in 2010, making it 16 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 East Fork Grand River Watershed Site B-31a?
East Fork Grand River Watershed Site B-31a serves the following purposes: Flood Risk Reduction, Grade Stabilization, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is East Fork Grand River Watershed Site B-31a?
East Fork Grand River Watershed Site B-31a 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.