A federal report released Monday proposes a $275 million array of technological and structural upgrades at a crucial site in Illinois to prevent invasive Asian carp from reaching the Great Lakes and its vulnerable fish populations.
The U.S. Army Corps of Engineers outlined its tentative plan in a report that had been scheduled for release in February but was delayed by the Trump administration, drawing criticism from members of Congress and environmental groups.
It analyzes options for upgrading the Brandon Road Lock and Dam near Joliet, a complex on the Des Plaines River southwest of Chicago that is considered a bottleneck where defenses could be strengthened to prevent carp populations in the Mississippi River watershed from migrating into Lake Michigan.
Scientists say if the large, voracious carp become established in the Great Lakes, they could devastate the region’s $7 billion fishing industry by crowding out native species.
The Army corps said the plan outlined in the…
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