Peno Lake
Key Takeaway
Peno Lake is classified as low hazard in South Dakota. It was completed in 1935 and is 91 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 995 ft |
| Dam Type | Earth |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 480 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 18 sq mi |
| Max Discharge | 5,200 cfs |
| Year Completed | 1935 (91 years old) |
| NID ID | SD00270 |
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
RONALD PEKAREK
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Peno Lake?
Peno Lake 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 Peno Lake?
Peno Lake is owned by RONALD PEKAREK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Peno Lake built?
Peno Lake was completed in 1935, making it 91 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 Peno Lake?
Peno Lake serves the following purposes: Fish And Wildlife Pond, Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Peno Lake?
Peno Lake has a dam height of 27 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.