Bear Valley S-21b
Key Takeaway
Bear Valley S-21b is classified as low hazard in Minnesota. It was completed in 1963 and is 63 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 23 ft (taller than 68.4% in MN) |
| Dam Length | 540 ft |
| Dam Type | Earth |
| Max Storage | 132 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 605 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | MN00444 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Glander, John
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Bear Valley S-21b?
Bear Valley S-21b is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Bear Valley S-21b?
Bear Valley S-21b is owned by Glander, John (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Bear Valley S-21b built?
Bear Valley S-21b was completed in 1963, making it 63 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 Bear Valley S-21b?
Bear Valley S-21b 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 Bear Valley S-21b?
Bear Valley S-21b has a dam height of 23 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 Bear Valley S-21b last inspected?
Bear Valley S-21b was last inspected on December 31, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.