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Eric Lund, a Lake Mitchell dredging project leader, explained the blunt reality of drawing down the lake water for dredging to occur will likely cause “a fish kill off.”
Projects honored this year include the Market at Malcolm Yards and an addition to the Center for Performing Arts; several apartment buildings, and a number of additions and renovations to schools and universities.
“What they found is that if that wetland is in place and we take out half the sediment, then eventually — with about 10 or so refills of the lake — the remaining sediment would get sufficiently rinsed out if the water coming in is cleaner,” DWU biochemistry professor Paula Mazzer said of the findings from the student-led lake project.
Downstream landowners opposed a request by the Southern Minnesota Beet Sugar Cooperative to extend its wastewater discharge period by an extra month into April. A compromise agreement will allow it do so, but it must stop the discharges if waters reach agreed-upon trigger levels.
The survey, groundwater sampling, stormwater compliance reporting and hydrogeologic services are annual requirements.