Thomas Dugan
Key Takeaway
Thomas Dugan is classified as low hazard in South Dakota. It was completed in 1950 and is 76 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 21 ft (taller than 40.7% in SD) |
| Dam Length | 482 ft |
| Dam Type | Earth |
| Max Storage | 143 acre-ft |
| Normal Storage | 70 acre-ft |
| Max Discharge | 2,744 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | SD00583 |
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
WOODROW HAYES
Private
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Thomas Dugan?
Thomas Dugan 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 Thomas Dugan?
Thomas Dugan is owned by WOODROW HAYES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thomas Dugan built?
Thomas Dugan was completed in 1950, making it 76 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 Thomas Dugan?
Thomas Dugan 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 Thomas Dugan?
Thomas Dugan has a dam height of 21 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.