Pony Creek Watershed Site 31
Key Takeaway
Pony Creek Watershed Site 31 is classified as low hazard in Iowa. It was completed in 1963 and is 63 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 38 ft (taller than 80.1% in IA) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 370 acre-ft |
| Normal Storage | 136 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1963 (63 years old) |
| Year Modified | 2002 |
| NID ID | IA00687 |
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
Mills County SWCD
Local Government
Nearby Dams
Pony Creek Watershed Site 30
Mills, IA
Significant Hazard 49 ftPony Creek Watershed Site 22
Mills, IA
Low Hazard 48 ftPony Creek Watershed Site 26
Mills, IA
Low Hazard 37 ftPony Creek Watershed Site 21
Mills, IA
High Hazard 75 ftPony Creek Watershed Site 24
Mills, IA
Low Hazard 40 ftPony Creek Watershed Site 20
Mills, IA
Low Hazard 48 ftGood/Johnson Dam
Mills, IA
Low Hazard 42 ftPony Creek Watershed Site 23
Mills, IA
Low Hazard 64 ftFrequently Asked Questions
What is the hazard classification of Pony Creek Watershed Site 31?
Pony Creek Watershed Site 31 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 Pony Creek Watershed Site 31?
Pony Creek Watershed Site 31 is owned by Mills County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pony Creek Watershed Site 31 built?
Pony Creek Watershed Site 31 was completed in 1963, making it 63 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 Pony Creek Watershed Site 31?
Pony Creek Watershed Site 31 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 Pony Creek Watershed Site 31?
Pony Creek Watershed Site 31 has a dam height of 38 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 Pony Creek Watershed Site 31 last inspected?
Pony Creek Watershed Site 31 was last inspected on September 22, 2003. Inspection dates indicate when a formal review occurred, not the results of that inspection.