Spring-Bull 1
Key Takeaway
Spring-Bull 1 is classified as significant hazard in South Dakota. It was completed in 1973 and is 53 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 | 64 ft (taller than 99.3% in SD) |
| Dam Length | 911 ft |
| Dam Type | Earth |
| Max Storage | 3.4K acre-ft |
| Normal Storage | 235 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 15,424 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | SD02272 |
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
SPRING-BULL CREEK WATERSHED DISTRICT
Local Government
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What is the hazard classification of Spring-Bull 1?
Spring-Bull 1 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 Spring-Bull 1?
Spring-Bull 1 is owned by SPRING-BULL CREEK WATERSHED DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spring-Bull 1 built?
Spring-Bull 1 was completed in 1973, making it 53 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 Spring-Bull 1?
Spring-Bull 1 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Spring-Bull 1?
Spring-Bull 1 has a dam height of 64 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 Spring-Bull 1 last inspected?
Spring-Bull 1 was last inspected on November 20, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.