Dillon-Syltie-Boulton
Key Takeaway
Dillon-Syltie-Boulton is classified as significant hazard in Minnesota. It was completed in 1974 and is 52 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 | 54 ft (taller than 97.2% in MN) |
| Dam Length | 740 ft |
| Dam Type | Earth |
| Max Storage | 497 acre-ft |
| Normal Storage | 64 acre-ft |
| Drainage Area | 5 sq mi |
| Max Discharge | 692 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | MN00853 |
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
WD of Yellow Medicine River
Local Government
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Significant Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Dillon-Syltie-Boulton?
Dillon-Syltie-Boulton 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 Dillon-Syltie-Boulton?
Dillon-Syltie-Boulton is owned by WD of Yellow Medicine River (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dillon-Syltie-Boulton built?
Dillon-Syltie-Boulton was completed in 1974, making it 52 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 Dillon-Syltie-Boulton?
Dillon-Syltie-Boulton 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 Dillon-Syltie-Boulton?
Dillon-Syltie-Boulton has a dam height of 54 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 Dillon-Syltie-Boulton last inspected?
Dillon-Syltie-Boulton was last inspected on June 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.