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

State of the Great Lakes 2019

The Governments of Canada and the United States are pleased to release the 2019 State of the Great Lakes reports, which provide an overview of the status and trends of the Great Lakes ecosystem. Overall, Great Lakes water quality is assessed as “fair and unchanging.” While progress to restore and protect the Great Lakes has […]

Posted: June 3, 2020

State of the Great Lakes 2017

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 […]

Posted: June 19, 2017