The Latest: Report aims to block Asian carp from Great Lakes

TRAVERSE CITY, Mich. — The Latest on the U.S. Army Corps of Engineers report proposing steps to keep Asian carp out of Great Lakes (all times local):

1:15 p.m.

Environmental groups say a new federal report makes clear that urgent action is needed to prevent Asian carp from reaching the Great Lakes.

The U.S. Army Corps of Engineers released a long-awaited analysis Monday of steps that could block the invasive fish at the Brandon Road Lock and Dam near Joliet, Illinois.

The draft report includes technological and structural measures such as underwater noisemakers, an electric dispersal barrier and a new flushing lock. The estimated price tag is $275 million.

Howard Learner of the Environmental Law and Policy Center says the government should quickly secure Chicago-area waters, where Asian carp from the Mississippi River and its tributaries could enter Lake Michigan.

Other environmental groups say the plan is a step forward but doesn't address the need to stop Great Lakes species from migrating to the Mississippi.

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12:14 p.m.

The U.S. Army Corps of Engineers is recommending a mixture of technologies including loud noises and water jets at a crucial site in Illinois to prevent Asian carp from reaching the Great Lakes.

The corps released a draft report Monday analyzing options for upgrading the Brandon Road Lock and Dam near Joliet. The complex is on the Des Plaines River a few miles downstream from electric barriers intended to prevent fish in the Mississippi River watershed from reaching Lake Michigan through Chicago-area waterways.

Brandon Road is considered a bottleneck where new structures or technologies could strengthen defenses against Asian carp. Scientists say if the carp reach the Great Lakes, they could devastate a $7 billion fishing industry by crowding out native species.

The report also suggests installing another electric barrier.

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7:44 a.m.

The U.S. Army Corps of Engineers is preparing to release a draft report on possible measures at a crucial site in Illinois that could prevent invasive Asian carp from reaching Lake Michigan.

The report due out Monday is expected to list options for upgrading the Brandon Road Lock and Dam near Joliet. The complex is on the Des Plaines River a few miles downstream from electric barriers intended to prevent fish in the Mississippi River watershed from reaching the Great Lakes through Chicago-area waterways.

Brandon Road is considered a bottleneck where structures or technologies could be used to strengthen defenses against Asian carp, which have infested the Mississippi. Scientists say if they reach the Great Lakes, they could cripple a $7 billion fishing industry by crowding out native species.

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