Howie Dam
Key Takeaway
Howie Dam is classified as high hazard in South Dakota. It was completed in 1949 and is 77 years old. Its primary use is fire protection. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 45.6% in SD) |
| Dam Length | 520 ft |
| Dam Type | Earth |
| Max Storage | 306 acre-ft |
| Normal Storage | 209 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,220 cfs |
| Year Completed | 1949 (77 years old) |
| NID ID | SD02099 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
RAYMOND HOWIE
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Howie Dam?
Howie Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Howie Dam?
Howie Dam is owned by RAYMOND HOWIE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Howie Dam built?
Howie 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 Howie Dam?
Howie 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 Howie Dam?
Howie Dam has a dam height of 22 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.
When was Howie Dam last inspected?
Howie Dam was last inspected on November 18, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.