Annexes and Issues

The 2012 Great Lakes Water Quality Agreement includes 10 Annexes that focus collaborative efforts on priority issues. Annex-specific sub-committees to the GLEC have been established to assist in the implementation of the Agreement.

Great Lakes Map

Each of the Agreement’s 10 annexes is co-led by one representative from each country. Further, a sub-committee may establish focused task teams to involve key federal, state/provincial, or local partners on specific projects or activities.

Progress in implementing the Agreement, including its annexes, is captured in the Progress Report of the Parties. Annex-specific implementation is a key subject of discussion at each Great Lakes Executive Committee meeting.


  1. Areas of Concern
  2. Lakewide Management
  3. Chemicals of Mutual Concern
  4. Nutrients
  5. Discharges from Vessels
  6. Aquatic Invasive Species
  7. Habitat and Species
  8. Groundwater
  9. Climate Change Impacts
  10. Science

This section also includes issues covered under Article 6 of the Agreement, Notification and Response.

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