Diamond Lake Watershed Site A-2
Key Takeaway
Diamond Lake Watershed Site A-2 is classified as low hazard in Iowa. It was completed in 1966 and is 60 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 18 ft (taller than 5.6% in IA) |
| Dam Length | 509 ft |
| Dam Type | Earth |
| Max Storage | 80 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | IA00969 |
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
Poweshiek County SWCD
Local Government
Nearby Dams
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Significant Hazard 27 ftLake Cimarron
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High Hazard 27 ftDiamond Lake Watershed Site C-14
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Low Hazard 27 ftLake Ponderosa Dam
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High Hazard 50 ftFrequently Asked Questions
What is the hazard classification of Diamond Lake Watershed Site A-2?
Diamond Lake Watershed Site A-2 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 Diamond Lake Watershed Site A-2?
Diamond Lake Watershed Site A-2 is owned by Poweshiek County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Diamond Lake Watershed Site A-2 built?
Diamond Lake Watershed Site A-2 was completed in 1966, making it 60 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 Diamond Lake Watershed Site A-2?
Diamond Lake Watershed Site A-2 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 Diamond Lake Watershed Site A-2?
Diamond Lake Watershed Site A-2 has a dam height of 18 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.