There will be a planned outage of this website beginning 8:00 am CST on Monday, March 3 and lasting through Wednesday, March 5 as we migrate our network to EPA’s National Computer Center. During the move, this website will be unavailable. Please check the site on Thursday March 6, 2025 after 8 am CST as we hope to have all services restored by then. Il y aura une interruption programmée de ce site web à partir de 8h00 CST le lundi 3 mars et jusqu'au mercredi 5 mars, car nous transférons notre réseau vers le Centre National de l'Informatique de l'EPA. Pendant cette période, le site web sera indisponible. Veuillez vérifier le site le jeudi 6 mars 2025 après 8h00 CST, car nous espérons avoir rétabli tous les services d'ici là.

State of the Great Lakes 2017

Posted: June 19, 2017
Photo: © Getty Images

The Governments of Canada and the United States are pleased to release the 2017 State of the Great Lakes reports. Overall, the Great Lakes are assessed as Fair and Unchanging. While progress to restore and protect the Great Lakes has been made, including the reduction of toxic chemicals, challenges remain with issues such as invasive species and nutrients.

Pursuant to the Great Lakes Water Quality Agreement, Canada and the United States, together with their many partners, established a suite of 9 indicators of ecosystem health, supported by 44 sub-indicators, to assess the state of the Great Lakes. State of the Great Lakes assessments support the identification of current and emerging challenges to Great Lakes water quality and ecosystem health, help Governments evaluate the effectiveness of programs and policies in place to address challenges, and help inform and engage others.

Over 180 government and non-government Great Lakes scientists and other experts worked to assemble available data to populate the suite of indicators and sub-indicators and prepare assessment reports.

For more information, please Contact Us.

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