Hale 1
Key Takeaway
Hale 1 is classified as significant hazard in South Dakota. It was completed in 1940 and is 86 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 13 ft (taller than 5.1% in SD) |
| Dam Length | 576 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Normal Storage | 22 acre-ft |
| Max Discharge | 880 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | SD01902 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
HALE
Private
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Low Hazard 23 ftW. Mann No.1
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Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Hale 1?
Hale 1 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Hale 1?
Hale 1 is owned by HALE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hale 1 built?
Hale 1 was completed in 1940, making it 86 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 Hale 1?
Hale 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 Hale 1?
Hale 1 has a dam height of 13 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.