River Raisin in Monroe, Michigan is getting closer–one scoop at a time–to being delisted from the Great Lakes Areas of Concern.
The 2.6-mile section of the river, located near the Port of Monroe, Michigan’s only port on Lake Erie, was contaminated with PCBs and lead from nearby manufacturing.
Multiple cleanups starting in 1997 have removed a total of 135,000 cubic yards of contaminated sediment.
Dredging was then followed by a process known as capping that involves the installation of sand, clay, and stones over any residual contaminated sediment to create a barrier with the rest of the waterbody.
In the coming weeks, the equipment and the sediment processing area will go through a complete decontamination procedure before being removed from the site.
See the 2016 sediment remediation at River Raisin in Monroe, MI by drone.
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