D. Dunn
Key Takeaway
D. Dunn is classified as low hazard in South Dakota. It was completed in 1949 and is 77 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 20 ft (taller than 33.7% in SD) |
| Dam Length | 380 ft |
| Dam Type | Earth |
| Max Storage | 136 acre-ft |
| Normal Storage | 115 acre-ft |
| Max Discharge | 110 cfs |
| Year Completed | 1949 (77 years old) |
| NID ID | SD00216 |
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
D. DUNN
Private
Nearby Dams
J. Gebhart No.1
Ziebach, SD
Low Hazard 14 ftF. Witte
Perkins, SD
Low Hazard 21 ftCoal Springs Dam
Perkins, SD
Low Hazard 31 ftC&F Ranch
Perkins, SD
Low Hazard 13 ftCarmichael
Ziebach, SD
Low Hazard 19 ftR. Wolff
Perkins, SD
Low Hazard 19 ftL. Barnica
Ziebach, SD
Low Hazard 16 ftHulm
Ziebach, SD
Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of D. Dunn?
D. Dunn 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 D. Dunn?
D. Dunn is owned by D. DUNN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was D. Dunn built?
D. Dunn was completed in 1949, making it 77 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 D. Dunn?
D. Dunn 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 D. Dunn?
D. Dunn has a dam height of 20 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.