Kalamazoo River

Construction on the northeastern leg of the Kalamazoo River Valley Trail was expected to begin in 2020, but the project was delayed — and not just because of the pandemic.

A dam operator that polluted the Kalamazoo River by allowing large amounts of sediment to flow out of a reservoir has pulled out of the cleanup effort, according to state environmental regulators.

Scientists at the U-S Fish and Wildlife Service are looking for sea lampreys in streams that flow into the Kalamazoo River.Lampreys have been an invasive…