Wisconsin proposes Relaxing Great Lakes ballast regulations

MADISON—Wisconsin water officials have proposed revising ballast water regulations for ocean-going ships on the Great Lakes.
The Department of Natural Resources in February adopted a new permit for vessels that come into Wisconsin’s Great Lakes ports. The permit limits living organisms found in discharged ballast water in hopes of slowing the spread of invasive species.
The permit requires newly built ocean-going ships to meet standards 100 times greater than the International Maritime Organization’s limits beginning in 2012.
The DNR has determined, however, that technology to measure whether a treatment system has met such high standards doesn’t exist yet. The agency has proposed using IMO standards and requiring ships to flush ballast water at sea.

A public hearing has been set for Jan. 26 in Superior.

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