The IJC reported on pollution issues in the Great Lakes and their connecting channels several times from 1918 to the late 1960s as part of its responsibilities under the Boundary Waters Treaty.
Water Quality
The Great Lakes Water Quality Agreement, first signed by Canada and the United States in 1972 and updated in 1978, 1987 and…
"...boundary waters and the waters flowing across the boundary shall not be polluted on either side to the injury of health or property on the other."