Asian carp barrier

CSG Midwest
Michigan has 3,000 miles of coastline and more Great Lakes water within its jurisdiction than any other state or province in the basin. But one of the big ecological threats to this freshwater system is well outside the state’s borders — in Illinois and Indiana, where invasive species of Asian carp would be most likely to enter the Great Lakes basin, via the Chicago Area Waterway System.
CSG Midwest
Less than two months after a silver carp (one of four species of Asian carp) was found nine miles from Lake Michigan and beyond the three electric barriers designed to prevent their movement, the U.S. Army Corps of Engineers unveiled a plan that would add a new layer of protection for the Great Lakes.
For a cost of $275 million, the Corps says, a mix of structural barriers and other control measures could be installed at the Brandon Road Lock and Dam. The federal agency released its “tentatively selected plan” in August and is taking public comments through Oct. 2.