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Water: Great Lakes Initiative

Great Lakes Initiative Index

Water Quality Guidance for the Great Lakes System To Prohibit Mixing Zones for Bioaccumulative Chemicals of Concern

EPA is taking final action to ban the use of mixing zones that dilute toxic chemicals discharged into the Great Lakes system. This action prohibits new discharges of toxic chemicals into mixing zones and phases out the use of existing mixing zones in the Great Lakes over the next ten years.

Final Rule

November 2000

See also: EPA's Great Lakes National Program Office; Water Quality Standards.


Proposed Rule

Note: EPA no longer updates this information, but it may be useful as a reference or resource.

October 1999


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