| The River Raisin, a Great Lakes Area of Concern in southeastern Michigan, once contained some of the highest concentrations of toxic PCBs ever found in water. The river has been the site of clean-up efforts for years, but the PCBs remain. Plans are now in motion, however, to begin a joint state and federally-funded dredge.. Read more Posted in Lake Biology, Water Quality Also tagged dredging, EPA, Great Lakes, Lake Erie, PCBs, pollution, runoff, toxic waters Leave a comment
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