Hutchinson No.7
Key Takeaway
Hutchinson No.7 is classified as low hazard in South Dakota. It was completed in 1961 and is 65 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 25 ft (taller than 57.4% in SD) |
| Dam Length | 275 ft |
| Dam Type | Earth |
| Max Storage | 17 acre-ft |
| Normal Storage | 11 acre-ft |
| Max Discharge | 206 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | SD01306 |
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
LA HUTCHINSON
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Hutchinson No.7?
Hutchinson No.7 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 Hutchinson No.7?
Hutchinson No.7 is owned by LA HUTCHINSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hutchinson No.7 built?
Hutchinson No.7 was completed in 1961, making it 65 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 Hutchinson No.7?
Hutchinson No.7 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 Hutchinson No.7?
Hutchinson No.7 has a dam height of 25 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.