Dorman Dam
Key Takeaway
Dorman Dam is classified as low hazard in South Dakota. It was completed in 1939 and is 87 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 18 ft (taller than 24.1% in SD) |
| Dam Length | 80 ft |
| Dam Type | Earth |
| Max Storage | 384 acre-ft |
| Normal Storage | 150 acre-ft |
| Max Discharge | 606 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | SD00327 |
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
J. QUILLIN BROS.
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Dorman Dam?
Dorman 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 Dorman Dam?
Dorman Dam is owned by J. QUILLIN BROS. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dorman Dam built?
Dorman Dam was completed in 1939, making it 87 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 Dorman Dam?
Dorman Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dorman Dam?
Dorman Dam has a dam height of 18 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.