Finley Dam
Key Takeaway
Finley Dam is classified as low hazard in South Dakota. It was completed in 2005 and is 21 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 22 ft (taller than 45.6% in SD) |
| Dam Length | 430 ft |
| Dam Type | Earth |
| Max Storage | 122 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 1,350 cfs |
| Year Completed | 2005 (21 years old) |
| NID ID | SD02566 |
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
JIM FINLEY
Private
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Finley Dam?
Finley 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 Finley Dam?
Finley Dam is owned by JIM FINLEY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Finley Dam built?
Finley Dam was completed in 2005, making it 21 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 Finley Dam?
Finley Dam serves the following purposes: Fish And Wildlife Pond, 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 Finley Dam?
Finley Dam has a dam height of 22 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.