Perry Dam
Key Takeaway
Perry Dam is classified as low hazard in South Dakota. It was completed in 1994 and is 32 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 40 ft (taller than 96.5% in SD) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,700 cfs |
| Year Completed | 1994 (32 years old) |
| NID ID | SD02389 |
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
HARRY PERRY JR.
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Perry Dam?
Perry Dam 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 Perry Dam?
Perry Dam is owned by HARRY PERRY JR. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Perry Dam built?
Perry Dam was completed in 1994, making it 32 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 Perry Dam?
Perry Dam serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Perry Dam?
Perry Dam has a dam height of 40 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.