Big Park Watershed Site A-1
Key Takeaway
Big Park Watershed Site A-1 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 | 32 ft (taller than 58.4% in IA) |
| Dam Length | 640 ft |
| Dam Type | Earth |
| Max Storage | 167 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | IA00257 |
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
Crawford County SWCD
Local Government
Nearby Dams
Big Park Watershed Site A-2
Crawford, IA
Low Hazard 45 ftBig Park Watershed Site A-3
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Low Hazard 41 ftBig Park Watershed Site C-2
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Low Hazard 36 ftMalone Dam
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Low Hazard 27 ftBig Park Watershed Site C-1
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Low Hazard 43 ftMill Picayune Watershed Site M-27-1
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Low Hazard 40 ftWeed Dam
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Low Hazard 37 ftBig Park Watershed Site A-4
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Big Park Watershed Site A-1?
Big Park Watershed Site A-1 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 Big Park Watershed Site A-1?
Big Park Watershed Site A-1 is owned by Crawford County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Big Park Watershed Site A-1 built?
Big Park Watershed Site A-1 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 Big Park Watershed Site A-1?
Big Park Watershed Site A-1 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 Big Park Watershed Site A-1?
Big Park Watershed Site A-1 has a dam height of 32 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.