East Fork Grand River Watershed Site A-122
Key Takeaway
East Fork Grand River Watershed Site A-122 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 | 26 ft (taller than 24.7% in IA) |
| Dam Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 64 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 156 cfs |
| Year Completed | 2010 (16 years old) |
| NID ID | IA04162 |
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
Mark Triggs & Ringgold County SWCD
Local Government
Nearby Dams
East Fork Grand River Watershed Site A-121
Ringgold, IA
Low Hazard 28 ftOld Reservoir Dam
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Low Hazard 25 ftMc Donnell Dam
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Low Hazard 28 ftGreenland Dam
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Low Hazard 33 ftCrain Dam
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Low Hazard 27 ftEast Fork Grand River Watershed Site B-40
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Low Hazard 31 ftMount Ayr Reservoir Dam
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Significant Hazard 40 ftEast Fork Grand River Watershed Site B-29
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of East Fork Grand River Watershed Site A-122?
East Fork Grand River Watershed Site A-122 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 A-122?
East Fork Grand River Watershed Site A-122 is owned by Mark Triggs & 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 A-122 built?
East Fork Grand River Watershed Site A-122 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 A-122?
East Fork Grand River Watershed Site A-122 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 A-122?
East Fork Grand River Watershed Site A-122 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.