Mill Picayune Watershed Site M-1
Key Takeaway
Mill Picayune Watershed Site M-1 is classified as significant hazard in Iowa. It was completed in 1980 and is 46 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 36 ft (taller than 74.2% in IA) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 156 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1980 (46 years old) |
| NID ID | IA02016 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
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
Mill Picayune Watershed Site M-35-1
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Significant Hazard 37 ftMill Picayune Watershed Site M-2
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Significant Hazard 37 ftMill Picayune Watershed Site M-33-2
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Low Hazard 41 ftBig Park Watershed Site F-1
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Low Hazard 35 ftBig Park Watershed Site F-2
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Low Hazard 45 ftBig Park Watershed Site D-3
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Low Hazard 36 ftBig Park Watershed Site D-2
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Low Hazard 36 ftMill Picayune Watershed Site M-29-1
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Mill Picayune Watershed Site M-1?
Mill Picayune Watershed Site M-1 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mill Picayune Watershed Site M-1?
Mill Picayune Watershed Site M-1 is owned by Crawford County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mill Picayune Watershed Site M-1 built?
Mill Picayune Watershed Site M-1 was completed in 1980, making it 46 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 Mill Picayune Watershed Site M-1?
Mill Picayune Watershed Site M-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 Mill Picayune Watershed Site M-1?
Mill Picayune Watershed Site M-1 has a dam height of 36 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.