Jean Simon No.1
Key Takeaway
Jean Simon No.1 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 | 26 ft (taller than 65.2% in SD) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 42 acre-ft |
| Max Discharge | 600 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | SD01702 |
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
JEAN SIMON
Private
Nearby Dams
Ray Haberman Sr No.1
Dewey, SD
Low Hazard 24 ftDick Simon No.1
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Low Hazard 21 ftRay Haberman Sr No.2
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Low Hazard 21 ftLouis Lesmeister
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Low Hazard 16 ftHazel Miller No.1
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Low Hazard 26 ftM.A. Curtis
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Low Hazard 26 ftGlen Bringman
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Low Hazard 17 ftSchool Land
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Jean Simon No.1?
Jean Simon No.1 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 Jean Simon No.1?
Jean Simon No.1 is owned by JEAN SIMON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jean Simon No.1 built?
Jean Simon No.1 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 Jean Simon No.1?
Jean Simon No.1 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 Jean Simon No.1?
Jean Simon No.1 has a dam height of 26 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.