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Asian Carp Solution Could Lead to Flooding
A witness in a federal lawsuit seeking the closure of two Illinois shipping locks to thwart Asian carp says the move would raise risks of devastating floods.

Michigan, Minnesota, Ohio, Pennsylvania and Wisconsin want a judge to order the locks shut to keep the invasive fish from leaving Chicago area waterways and overrunning the Great Lakes.

But a federal hydraulic engineer testified Friday that Chicago relies on being able to open the locks to reduce river levels during storms.

Tzuoh-Ying Su says barring authorities from flushing water into Lake Michigan could cause major flood damage and cost lives.

Officials opened locks for flood prevention in July. But Su conceded it's a rare step. He says opening both locks for flood prevention has occurred just nine times since 1954.

After three days of testimony, Judge Robert Dow told lawyers Friday he'd hear oral arguments sometime in October.

The states say carp could enter Lake Michigan from Chicago waterways at any time, so Dow could rule soon after oral arguments.

(Illinois Radio Network)
09 11 10 by Newsroom
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