Great Lakes protection

Priorities, partnerships, programs and actions for protecting the waters of the Great Lakes.

Services and information


Targeting threats to Great Lakes water quality and ecosystem health.

Canada-US Great Lakes Water Quality Agreement

Foundation of work we do with the United States to restore and protect the waters of the Great Lakes.

Canada-Ontario agreement on Great Lakes

How Canada and Ontario coordinate efforts to restore, protect and conserve the Great Lakes.

A plan for each lake

Action and management plans for protecting each Great Lake.

Areas of concern

The most toxic spots in the Great Lakes, and the clean-up underway.

State of the Great Lakes

Assessment of the health of the Great Lakes using ecosystem indicators.

What we are doing

Date modified: