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Environment


Cutting the carp
New study proposes three ways to keep Asian Carp out of the Great Lakes
by WKSU's LAURA FONG


Reporter
Laura Fong
 
A cost breakdown of the study's 3 alternatives - in billions.
Courtesy of The Great Lakes Commission

The Great Lakes Commission says it has three ways to keep invasive and voracious Asian carp out of the Great Lakes – at a cost of up to $9.5 billion.

The group wants to separate the lakes from the Mississippi River watershed by installing barriers in the Chicago shipping channel. A study released today outlines three options: a single barrier, a system of four barriers and system of five.Tim Eder is director of the Great Lakes Commission. He says the cheapest and most flexible of the options for Chicago is the four-barrier plan.

 

Eder says Mid-system is best option.

Other options:
Windows Media / MP3 Download (0:20)


(Click image for larger view.)

The area that is being studied is what scientists say would be the route the Carp would take to the enter the Great Lakes.
Detail of The Mid-System Alternative
Detail of The Near Lake Alternative.
Chicago Waterway Map.
Detail of The Down River Alternative.
Locations of the three alternatives.

“It’s going to work better for commercial transportation and for the recreation and tour boats that use the waterway downtown. It won’t impede that downtown access near Navy Pier and there are also other advantages from the commercial transportation standpoint down at Lake Calumet.”

The U.S. Army Corps of Engineers has so far resisted the idea of restricting the flow of the Mississippi River basin into Lake Michigan, and is doing its own study. But that won’t be complete for three more years.

Eder say he thinks his group’s study will move the Army Corps ahead of schedule.




Related Links & Resources
Army Corps

Executive Summary

Chicago Waterway Study

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