International Joint Commission (IJC)
More than a century of cooperation protecting shared waters

St. Mary and Milk Rivers

Accredited Officers for the St. Mary - Milk Rivers


The Boundary Waters Treaty provides for apportionment of the waters of the St. Mary and Milk Rivers between Canada and the United States. The measurement and apportionment of the water, in accordance with article VI of the Treaty and a 1921 IJC order, is carried out jointly by Accredited Officers appointed by governments and acting under the direction of the IJC.