H. C. Seymore Est
Key Takeaway
H. C. Seymore Est 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 | 15 ft (taller than 11.1% in SD) |
| Dam Length | 660 ft |
| Dam Type | Earth |
| Max Storage | 60 acre-ft |
| Normal Storage | 30 acre-ft |
| Max Discharge | 4,080 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | SD00241 |
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
H.C. SEYMORE EST
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of H. C. Seymore Est?
H. C. Seymore Est 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 H. C. Seymore Est?
H. C. Seymore Est is owned by H.C. SEYMORE EST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was H. C. Seymore Est built?
H. C. Seymore Est 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 H. C. Seymore Est?
H. C. Seymore Est 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 H. C. Seymore Est?
H. C. Seymore Est has a dam height of 15 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.