W. Holmes No.3
Key Takeaway
W. Holmes No.3 is classified as low hazard in South Dakota. It was completed in 1960 and is 66 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 720 ft |
| Dam Type | Earth |
| Max Storage | 189 acre-ft |
| Normal Storage | 133 acre-ft |
| Max Discharge | 6,300 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | SD00769 |
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
WAYNE HOLMES
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of W. Holmes No.3?
W. Holmes No.3 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 W. Holmes No.3?
W. Holmes No.3 is owned by WAYNE HOLMES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was W. Holmes No.3 built?
W. Holmes No.3 was completed in 1960, making it 66 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 W. Holmes No.3?
W. Holmes No.3 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 W. Holmes No.3?
W. Holmes No.3 has a dam height of 27 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.