Simpson Creek Watershed Site 1
Key Takeaway
Simpson Creek Watershed Site 1 is classified as low hazard in Iowa. It was completed in 1958 and is 68 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 46 ft (taller than 92.5% in IA) |
| Dam Length | 872 ft |
| Dam Type | Earth |
| Max Storage | 400 acre-ft |
| Normal Storage | 320 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | IA00400 |
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
Fremont County SWCD
Local Government
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Low Hazard 39 ftFrequently Asked Questions
What is the hazard classification of Simpson Creek Watershed Site 1?
Simpson Creek Watershed Site 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 Simpson Creek Watershed Site 1?
Simpson Creek Watershed Site 1 is owned by Fremont County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Simpson Creek Watershed Site 1 built?
Simpson Creek Watershed Site 1 was completed in 1958, making it 68 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 Simpson Creek Watershed Site 1?
Simpson Creek Watershed Site 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 Simpson Creek Watershed Site 1?
Simpson Creek Watershed Site 1 has a dam height of 46 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 Simpson Creek Watershed Site 1 last inspected?
Simpson Creek Watershed Site 1 was last inspected on November 29, 1960. Inspection dates indicate when a formal review occurred, not the results of that inspection.