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.

(Webinar) Chemical Contaminants in Lake Huron Hosted by the Lake Huron Partnership

Join us as we learn about contaminants affecting Lake Huron. Mark your calendars for May 5, 2026, at 11 am CT (12 pm ET) for a one-hour public webinar, “Chemical Contaminants in Lake Huron,” as part of our Let’s Talk Lake Huron! webinar series. Learn about the current status and trends of chemical pollutants in […]

Posted: April 27, 2026

(Webinar) Nutrients and Algae in Lake Ontario Hosted by the Lake Ontario Partnership

Join us as we explore the effects of nutrients and algae on Lake Ontario. Mark your calendars for May 19, 2026, at 12 pm ET for a one-hour public webinar, “Nutrients and Algae in Lake Ontario,” as part of the Let’s Talk Lake Ontario! webinar series.  Learn how nutrients influence algae growth and overall ecosystem health across the Lake Ontario basin. Hear about […]

Posted: April 27, 2026

2025 Progress Report of the Parties

Canada and the United States are pleased to release the newest triennial Progress Report of the Parties, pursuant to the Great Lakes Water Quality Agreement (“the Agreement”).The 2025 Progress Report of the Parties documents the binational and domestic activities and accomplishments of Canada and the United States in implementing the Agreement over 2023 to 2025. […]

Posted: January 20, 2026

State of the Great Lakes 2025

The Governments of Canada and the United States are pleased to release the State of the Great Lakes 2025 report, which provides an overview of the status and trends of the Great Lakes ecosystem. The Great Lakes continue to be an excellent source of drinking water and beaches are safe for swimming and recreational use […]

Posted: January 20, 2026

Registration is now open for the Great Lakes Public Forum

Registration is now closed. The United States and Canada invite members of the public and those involved in Great Lakes programs to register for their attendance at the Great Lakes Public Forum on February 4-5, 2026. The forum will be held in a public meeting space on the 3rd floor of the Ralph H. Metcalfe Federal […]

Posted: December 22, 2025

Great Lakes Public Forum

The United States and Canada invite members of the public and those involved in Great Lakes programs to attend the Great Lakes Public Forum on February 4-5, 2026, in Chicago, USA. The forum will be held in a public meeting space within the Ralph H. Metcalfe Federal Building at 77 West Jackson Blvd, Chicago, IL 60604. […]

Posted: December 12, 2025

(Webinar) Chemical Contaminants in Lake Superior

Join us as we learn about chemical contaminants in Lake Superior. Mark your calendars for December 11, 2025, at 10 am CT (11 am ET) for a one-hour public webinar, Chemical Contaminants in Lake Superior, as part of our Let’s Talk Lake Superior! webinar series. Learn the status and trends of toxic chemicals in Lake […]

Posted: August 19, 2025