Island Lake 4
Key Takeaway
Island Lake 4 is classified as low hazard in Minnesota. It was completed in 2009 and is 17 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 41 ft (taller than 94% in MN) |
| Dam Length | 360 ft |
| Dam Type | Earth |
| Max Storage | 320 acre-ft |
| Surface Area | 163 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 2009 (17 years old) |
| NID ID | MN01555 |
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
Deutz, Charles
Private
Nearby Dams
Sonstegard-Telste
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Significant Hazard 42 ftNordland 32
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Low Hazard 21 ftIsland Lake 22b
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Island Lake 4?
Island Lake 4 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 Island Lake 4?
Island Lake 4 is owned by Deutz, Charles (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Island Lake 4 built?
Island Lake 4 was completed in 2009, making it 17 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 Island Lake 4?
Island Lake 4 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 Island Lake 4?
Island Lake 4 has a dam height of 41 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 Island Lake 4 last inspected?
Island Lake 4 was last inspected on May 7, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.