Speltz Detention No. 2
Key Takeaway
Speltz Detention No. 2 is classified as low hazard in Minnesota. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 28 ft (taller than 78.9% in MN) |
| Dam Length | 442 ft |
| Dam Type | Earth |
| Max Storage | 52 acre-ft |
| Normal Storage | 16 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 761 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | MN00418 |
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
Speltz, Herb
Private
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Significant Hazard 17 ftSpooner Group Detention
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Significant Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Speltz Detention No. 2?
Speltz Detention No. 2 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 Speltz Detention No. 2?
Speltz Detention No. 2 is owned by Speltz, Herb (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Speltz Detention No. 2 built?
Speltz Detention No. 2 was completed in 1961, making it 65 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 Speltz Detention No. 2?
Speltz Detention No. 2 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 Speltz Detention No. 2?
Speltz Detention No. 2 has a dam height of 28 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 Speltz Detention No. 2 last inspected?
Speltz Detention No. 2 was last inspected on June 27, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.