Sioux Falls Divers. Weir
Key Takeaway
Sioux Falls Divers. Weir is classified as significant hazard in South Dakota. It was completed in 1960 and is 66 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 331 ft |
| Dam Type | Gravity |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 216 acre-ft |
| Max Discharge | 35,000 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | SD00698 |
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
CITY OF SIOUX FALLS
Local Government
Nearby Dams
Sioux Falls Diversion
Minnehaha, SD
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Sioux Falls Divers. Weir?
Sioux Falls Divers. Weir 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 Sioux Falls Divers. Weir?
Sioux Falls Divers. Weir is owned by CITY OF SIOUX FALLS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sioux Falls Divers. Weir built?
Sioux Falls Divers. Weir 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 Sioux Falls Divers. Weir?
Sioux Falls Divers. Weir serves the following purposes: Flood Risk Reduction, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sioux Falls Divers. Weir?
Sioux Falls Divers. Weir 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.