Spring Grove Group Structure
Key Takeaway
Spring Grove Group Structure is classified as low hazard in Minnesota. It was completed in 1983 and is 43 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 30 ft (taller than 82.5% in MN) |
| Dam Length | 380 ft |
| Dam Type | Earth |
| Max Storage | 75 acre-ft |
| Normal Storage | 9 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 852 cfs |
| Year Completed | 1983 (43 years old) |
| NID ID | MN01020 |
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
Wiebke, Todd
Private
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Spring Grove Group Structure?
Spring Grove Group Structure 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 Spring Grove Group Structure?
Spring Grove Group Structure is owned by Wiebke, Todd (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spring Grove Group Structure built?
Spring Grove Group Structure was completed in 1983, making it 43 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 Grove Group Structure?
Spring Grove Group Structure 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 Grove Group Structure?
Spring Grove Group Structure has a dam height of 30 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 Grove Group Structure last inspected?
Spring Grove Group Structure was last inspected on May 10, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.