Extreme rain on snow is testing aging dams across Michigan and Wisconsin – this is the future in a warming world
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Extreme rain on snow is causing historic flooding and threatening aging dams in Michigan and Wisconsin.
How This Affects You
Nearly half of Michigan's counties are under a state of emergency, indicating risks to property and safety due to overwhelmed infrastructure.
AI Summary
Michigan and parts of Wisconsin are experiencing a historic flooding event in spring 2026, with days of heavy rainfall on top of snow sending lakes and rivers over their banks and threatening several dams. By April 20, 2026, nearly half of Michigan’s counties were under a state of emergency. This has overwhelmed the region's aging water infrastructure, which was not designed for such volumes. In Cheboygan, Michigan, large pumps were brought in to lower pressure on a century-old dam. This event highlights how warming winters and increased extreme downpours are worsening flood risks, setting higher benchmarks for future infrastructure planning.
What's Being Done
Large pumps were brought to Cheboygan, Michigan, to lower pressure on a century-old dam.
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