Atkinson No.1
Key Takeaway
Atkinson No.1 is classified as low hazard in South Dakota. It was completed in 1969 and is 57 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 28 ft (taller than 77.7% in SD) |
| Dam Length | 390 ft |
| Dam Type | Earth |
| Max Storage | 22 acre-ft |
| Normal Storage | 15 acre-ft |
| Max Discharge | 110 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | SD01330 |
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
ATKINSON
Private
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Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Atkinson No.1?
Atkinson No.1 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 Atkinson No.1?
Atkinson No.1 is owned by ATKINSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Atkinson No.1 built?
Atkinson No.1 was completed in 1969, making it 57 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 Atkinson No.1?
Atkinson No.1 serves the following purposes: 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 Atkinson No.1?
Atkinson No.1 has a dam height of 28 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.