H.G. Horman Dam No.1
Key Takeaway
H.G. Horman Dam No.1 is classified as low hazard in South Dakota. It was completed in 1958 and is 68 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 17 ft (taller than 20.2% in SD) |
| Dam Length | 710 ft |
| Dam Type | Earth |
| Max Storage | 156 acre-ft |
| Normal Storage | 98 acre-ft |
| Max Discharge | 1,470 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | SD00681 |
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
HAROLD G. HORMAN
Private
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of H.G. Horman Dam No.1?
H.G. Horman Dam 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 H.G. Horman Dam No.1?
H.G. Horman Dam No.1 is owned by HAROLD G. HORMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was H.G. Horman Dam No.1 built?
H.G. Horman Dam No.1 was completed in 1958, making it 68 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.G. Horman Dam No.1?
H.G. Horman Dam 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 H.G. Horman Dam No.1?
H.G. Horman Dam No.1 has a dam height of 17 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.