Standing Rock Tribe
Key Takeaway
Standing Rock Tribe is classified as significant hazard in South Dakota. It was completed in 1939 and is 87 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 21 ft (taller than 40.7% in SD) |
| Dam Length | 445 ft |
| Dam Type | Earth |
| Max Storage | 118 acre-ft |
| Normal Storage | 65 acre-ft |
| Max Discharge | 2,940 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | SD00723 |
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
STANDING ROCK TRIBE
Federal Government
Nearby Dams
Olson Dam
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Low Hazard 25 ftOscar Rische
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Low Hazard 22 ftStanding Rock Tribe
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Low Hazard 16 ftLesmeister Dam
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Low Hazard 40 ftJackson Dam
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Standing Rock Tribe?
Standing Rock Tribe 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 Standing Rock Tribe?
Standing Rock Tribe is owned by STANDING ROCK TRIBE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Standing Rock Tribe built?
Standing Rock Tribe was completed in 1939, making it 87 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 Standing Rock Tribe?
Standing Rock Tribe serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Standing Rock Tribe?
Standing Rock Tribe has a dam height of 21 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.