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Great Lakes Water Quality Agreement (GLWQA)

The Great Lakes Water Quality Agreement is a commitment between the United States and Canada to restore and protect the waters of the Great Lakes. The Agreement provides a framework for identifying binational priorities and implementing actions that improve water quality. EPA coordinates U.S. activities under the Agreement.

of the Agreement

Latest News

Recommended Binational Phosphorus Targets to Combat Lake Erie Algal Blooms

GLWQA requires the United States and Canada to reduce excess phosphorus levels that contribute to algal blooms in Lake Erie. In 2013, a binational workgroup of subject matter experts from federal, state, provincial and local governments, academia and nongovernmental organizations was convened to develop recommended phosphorus reduction targets for Lake Erie.

Public input on the recommended Lake Erie phosphorus reduction targets can be submitted at Recommended Binational Phosphorus Targets.

Binational Webinar on Great Lakes Water Quality Agreement and Lake Management Annex

On July 8, Chris Korleski of U.S. EPA and John Marsden of Environment Canada will host a binational webinar to

  • provide a brief overview of the Great Lakes Water Quality Agreement, focusing on Annex 2;
  • provide an update of progress under Annex 2; and
  • hold an open discussion of public outreach and engagement under Annex 2.    

GLWQA Annex 2 Subcommittee Webinar