In 2012, Canada and the United States significantly revised the GLWQA to strengthen and modernize the Agreement and included a new requirement for a Progress Report of the Parties (Report) to be issued once every three years “to document actions relating to this Agreement”.

This report presents the recommendations of the Great Lakes Water Quality Board’s Legacy Issues Work Group on the topic of how watershed management plans should be used to manage nutrient pollution in Lake Erie.

The Great Lakes Area of Concern (AOC) program exists to turn the attention of communities and governments to areas within the Great Lakes that are so environmentally degraded that they require focused, long-term efforts to restore all beneficial uses to the ecosystem and humans.