Description

Archived and Outdated Information: This publication is out of date and should be referenced for research or recordkeeping purposes only. It is not subject to the Government of Canada Web Standards and has not been altered or updated since it was archived. You can request an alternate version of our publications by email at Accessibilite-accessibility@international.gc.ca or telephone at 1-800-267-8376. This category covers exchanges of notes and agreements between Canada and the United States concerning the shared management of boundary waters and related infrastructure. Topics include St. Lawrence Seaway tolls, joint levee construction, water‑supply arrangements, flood‑control measures, and cooperative development of transboundary river basins. These instruments support coordinated water‑resource management and navigation between both countries.

Resources

Name	Format	Description	Link
Boundary waters: Exchange of Notes between the Government of Canada and the Government of the United States of America constituting an Agreement further amending the Agreement of March 9, 1959 concerning the Application of Tolls on the St. Lawrence Seaway (with memorandum of agreement) - 1994	PDF		https://open.canada.ca/data/dataset/d9550f6a-3753-4406-9bff-a58f68a68ddc/resource/06941990-dc78-4c98-95de-ca5381f9b51a/download/e3-1992-20.pdf
Boundary waters: Exchange of Notes between the Government of Canada and the Government of the United States of America, permitting the Disposal of the Canadian Entitlement within the United States of America, further to a Treaty between the Government of Canada and the Government of the United States of America relating to Cooperative Development of the Water Resources of the Columbia River Basin, done at Washington, D.C., on January 17, 1961 (with annex) - 1998	PDF		https://open.canada.ca/data/dataset/d9550f6a-3753-4406-9bff-a58f68a68ddc/resource/2a838c90-416a-48ca-b806-47e344306e9a/download/e3-1999-18.pdf
Boundary waters: Exchange of Notes between the Government of Canada and the Government of the United States of America constituting an Agreement amending their Agreement for Water Supply and Flood Control in the Souris River Basin, signed at Washington on October 26, 1989 (with annex) - 1998	PDF		https://open.canada.ca/data/dataset/d9550f6a-3753-4406-9bff-a58f68a68ddc/resource/3c8406a7-f505-440c-b793-0e7439232ded/download/e3-2000-28.pdf
Boundary waters: exchange of notes between Canada and the United States of America (with memorandum of agreement) - 1989	PDF		https://open.canada.ca/data/dataset/d9550f6a-3753-4406-9bff-a58f68a68ddc/resource/84542d06-0fd2-4e24-bb96-62eb47646568/download/e3-1986-35.pdf
Boundary waters: Exchange of Notes between the Government of Canada and the Government of the United States of America constituting an Agreement concerning the St. Lawrence Seaway Tariff of Tolls (with memorandum of agreement) - 1989	PDF		https://open.canada.ca/data/dataset/d9550f6a-3753-4406-9bff-a58f68a68ddc/resource/89f3159a-d9e3-440f-9815-ce895e8edd72/download/e3-1984-44.pdf
Boundary waters: Exchange of Notes between the Government of Canada and the Government of the United States of America constituting an Agreement concerning the Construction of a Joint Ring Levee - 1991	PDF		https://open.canada.ca/data/dataset/d9550f6a-3753-4406-9bff-a58f68a68ddc/resource/959f084c-a007-449c-8ced-cd7c463d010d/download/e3-1988-43.pdf
Boundary waters: Exchange of Notes between the Government of Canada and the Government of the United States of America constituting an Agreement amending the Agreement concerning the Application of Tolls on the St. Lawrence Seaway (with memorandum of agreement) - 1991	PDF		https://open.canada.ca/data/dataset/d9550f6a-3753-4406-9bff-a58f68a68ddc/resource/f05f53f5-bf77-41dc-a585-d1eaf7fc049d/download/e3-1991-11.pdf
Boundary waters: exchange of notes between Canada and the United States of America (with memorandum of agreement) - 1989	PDF		https://open.canada.ca/data/dataset/d9550f6a-3753-4406-9bff-a58f68a68ddc/resource/f846dfd5-fc35-4780-9413-a561db075ecf/download/e3-1985-24.pdf

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