N. Overdahl
Key Takeaway
N. Overdahl is classified as low hazard in South Dakota. It was completed in 1945 and is 81 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 13 ft (taller than 5.1% in SD) |
| Dam Length | 670 ft |
| Dam Type | Earth |
| Max Storage | 78 acre-ft |
| Normal Storage | 36 acre-ft |
| Max Discharge | 2,400 cfs |
| Year Completed | 1945 (81 years old) |
| NID ID | SD00417 |
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
JAMES REED
Private
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Low Hazard 21 ftFrequently Asked Questions
What is the hazard classification of N. Overdahl?
N. Overdahl 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 N. Overdahl?
N. Overdahl is owned by JAMES REED (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was N. Overdahl built?
N. Overdahl was completed in 1945, making it 81 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 N. Overdahl?
N. Overdahl serves the following purposes: 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 N. Overdahl?
N. Overdahl has a dam height of 13 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.