Nolan Dam
Key Takeaway
Nolan Dam is classified as low hazard in South Dakota. It was completed in 1992 and is 34 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 25 ft (taller than 57.4% in SD) |
| Dam Length | 510 ft |
| Dam Type | Earth |
| Max Storage | 94 acre-ft |
| Normal Storage | 43 acre-ft |
| Max Discharge | 570 cfs |
| Year Completed | 1992 (34 years old) |
| NID ID | SD02379 |
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
USDA FS
Federal Government
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Nolan Dam?
Nolan 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 Nolan Dam?
Nolan Dam is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nolan Dam built?
Nolan Dam was completed in 1992, making it 34 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 Nolan Dam?
Nolan Dam serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Nolan Dam?
Nolan Dam has a dam height of 25 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.