Hayes Stockwater Dam
Key Takeaway
Hayes Stockwater Dam is classified as significant hazard in South Dakota. It was completed in 1949 and is 77 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 30 ft (taller than 85.2% in SD) |
| Dam Length | 255 ft |
| Dam Type | Earth |
| Max Storage | 19 acre-ft |
| Normal Storage | 10 acre-ft |
| Max Discharge | 230 cfs |
| Year Completed | 1949 (77 years old) |
| NID ID | SD01351 |
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
WILLIAM HAYES
Private
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What is the hazard classification of Hayes Stockwater Dam?
Hayes Stockwater Dam 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 Hayes Stockwater Dam?
Hayes Stockwater Dam is owned by WILLIAM HAYES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hayes Stockwater Dam built?
Hayes Stockwater Dam was completed in 1949, making it 77 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 Hayes Stockwater Dam?
Hayes Stockwater Dam 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 Hayes Stockwater Dam?
Hayes Stockwater Dam has a dam height of 30 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.