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.

Quarterly Climate Impacts and Outlook: Great Lakes Region – December 2016

The “Quarterly Climate Impacts and Outlook: Great Lakes Region” is a brief bulletin published jointly by NOAA and Environment Canada summarizing the latest season’s weather and water level conditions and weather and water level-related impacts over the Great Lakes and provides an outlook for the upcoming quarter. It is published roughly four weeks after the […]

Posted: January 12, 2017

Great Lakes Public Forum 2016 – Presentations & Videos

As called for in the 2012 Great Lakes Water Quality Agreement, the governments of Canada and the United States convened a Great Lakes Public Forum, with the International Joint Commission, to: Provide an opportunity to discuss and receive public comments on the state of the lakes and binational priorities for science and action; and Provide […]

Posted: November 25, 2016

Governments of Canada and the United States have finalized a Lake Superior Lakewide Action and Management Plan

Pursuant to the Great Lakes Water Quality Agreement, the governments of Canada and the United States have finalized a Lake Superior Lakewide Action and Management Plan (LAMP) which is an ecosystem-based strategy for restoring and protecting Lake Superior water quality. The LAMP documents ecosystem conditions and threats, and presents science and action priorities. The LAMP […]

Posted: September 19, 2016

Public Comment Completed: Canada and the United States Seek Nominations for Consideration in the Development of a Second Set of Candidate Chemicals of Mutual Concern under Annex 3 of the Canada-U.S. Great Lakes Water Quality Agreement

Pursuant to Annex 3 of the Canada-U.S. Great Lakes Water Quality Agreement, Canada and the U.S. are seeking nominations of chemicals for consideration in the development of a second set of candidate Chemicals of Mutual Concern (CMCs). By designating a chemical as a CMC, Canada and the U.S. signal their intention to reduce its anthropogenic […]

Posted: May 31, 2016

Canada and the United States Designate the First Set of Chemicals of Mutual Concern

The 2012 Great Lakes Water Quality Agreement requires the United States and Canada to identify Chemicals of Mutual Concern that are potentially harmful to human health or the environment and that originate from anthropogenic sources. Pursuant to the Agreement, these substances will be targeted for binational action. The first group of Chemicals of Mutual Concern […]

Posted: May 31, 2016

Public Comment Completed: Draft Nearshore Framework for the Great Lakes.

A Nearshore Framework for the Great Lakes was drafted and was available for a sixty-day review period ending on July 12, 2016. The Nearshore Framework satisfies a commitment in the Lakewide Management Annex of the Agreement to “develop, within three years of entry into force of this Agreement, an integrated nearshore framework to be implemented collaboratively […]

Posted: May 13, 2016

The United States and Canada Adopt Phosphorus Load Reduction Targets to Combat Lake Erie Algal Blooms

To combat the growing threat of toxic and nuisance algal development in Lake Erie, the United States and Canada committed, through the 2012 Great Lakes Water Quality Agreement, to establish binational phosphorus load reduction targets for Lake Erie by February, 2016. In response to this commitment, following a robust binational science-based process and extensive public […]

Posted: February 22, 2016