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The Great Lakes

The Great Lakes form the largest surface freshwater system on Earth. More than 30 million people live in the Great Lakes basin, and the impact of their daily activities, from the water consumed to the waste returned, directly affects the Great Lakes environment. EPA leads U.S. efforts to restore and maintain the quality and ecosystems of the Great Lakes watershed.

Latest News

The binational 2017 State of the Great Lakes Exitreport has been released. The report supports:

  • The identification of current and emerging challenges to Great Lakes water quality and ecosystem health,
  • Helps the United States and Canada evaluate the effectiveness of  current programs and policies to address challenges, and 
  • Informs and engages others.