King Dam No. 1
Key Takeaway
King Dam No. 1 is classified as high hazard in South Dakota. It was completed in 1960 and is 66 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 | 30 ft (taller than 85.2% in SD) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 740 acre-ft |
| Normal Storage | 590 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,374 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | SD00857 |
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
RICHARD KING
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of King Dam No. 1?
King Dam No. 1 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 King Dam No. 1?
King Dam No. 1 is owned by RICHARD KING (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was King Dam No. 1 built?
King Dam No. 1 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 King Dam No. 1?
King 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 King Dam No. 1?
King Dam No. 1 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.
When was King Dam No. 1 last inspected?
King Dam No. 1 was last inspected on September 20, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.