Twin Ponies Watershed Site 17a
Key Takeaway
Twin Ponies Watershed Site 17a is classified as low hazard in Iowa. It was completed in 1998 and is 28 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 54 ft (taller than 97.3% in IA) |
| Dam Length | 1,030 ft |
| Dam Type | Earth |
| Max Storage | 476 acre-ft |
| Normal Storage | 171 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1998 (28 years old) |
| NID ID | IA03232 |
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
West Pottawattamie County SWCD
Local Government
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What is the hazard classification of Twin Ponies Watershed Site 17a?
Twin Ponies Watershed Site 17a 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 Twin Ponies Watershed Site 17a?
Twin Ponies Watershed Site 17a is owned by West Pottawattamie County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Ponies Watershed Site 17a built?
Twin Ponies Watershed Site 17a was completed in 1998, making it 28 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 Twin Ponies Watershed Site 17a?
Twin Ponies Watershed Site 17a 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 Twin Ponies Watershed Site 17a?
Twin Ponies Watershed Site 17a has a dam height of 54 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.
When was Twin Ponies Watershed Site 17a last inspected?
Twin Ponies Watershed Site 17a was last inspected on September 1, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.