Comments will be accepted for the administrative record until March 3.
identifies eight potential alternatives, from continuing current efforts to
complete separation of the watersheds. It evaluates the potential of these
alternatives to control the inter-basin spread of 13 aquatic nuisance fish,
algae, virus, crustaceans and plants in all life stages with high or medium
risk for transfer.
“This report is
unique because it identifies a range of options, allows for the
incorporation of future technologies, and presents courses of action that
may be implemented now to reduce short-term risk,” said Corps Great Lakes
and Ohio River Division Commander Brig. Gen. Margaret W. Burcham. “ANS
prevention is a shared responsibility, and continued engagement will be an
essential next step to try to identify and build consensus toward a
collaborative path forward.”
concentrate on the Chicago Area Waterway System (CAWS). The CAWS is a
complex, multi-use waterway and is the primary direct, continuous
inter-basin connection between the Mississippi River Basin and Lake
Michigan. Due to the complexities of the CAWS, mitigation measures are
included in many of the alternatives to address the impacts of the ANS
controls on waterway uses, users and residents. The CAWS is used for
navigation; water supply and conveyance; flood risk management and
The report provides
a description of various evaluation criteria, like estimated cost and
timeline information, which can be used by stakeholders to compare plans.
However, this report is not a decision document and does not rank, rate or
make a recommendation.