Proposal for Lake Ontario and St. Lawrence River Regulation

Historical Documents

January 11, 1909: Boundary Waters Treaty

June 25, 1952Reference from the Government of Canada and the United States of America (PDF)

November 16, 1953: Directive creating the International St. Lawrence River Board of Control (PDF)

March 17, 1955: Letter to the Secretary of State for External Affairs of Canada and the Secretary of State of the United States of America describing the IJC's tentative conclusion concerning regulation criteria (PDF)

May 9, 1955: Letter to the Secretary of State for External Affairs of Canada and the Secretary of State of the United States of America recommending the adoption of a regulation plan (PDF)

December 3, 1955: Letters from the Secretary of State for External Affairs of Canada and the Under Secretary of State of the United States of America approving the regulation plan recommended by the IJC (PDF)

1956: 1956 Order of Approval (PDF) (HTML)

September 16, 1960: Telegram with instructions from the IJC to the St. Lawrence Board of Control (PDF)

April 4, 1961: Letter to IJC from the Co-chairs of International St. Lawrence River Board of Control concerning discretionary authority (PDF)

April 5, 1961: Water Levels of Lake Ontario: Report to the Government of Canada and the Government of the United States (Under the Reference of June 1952) by the International Joint Commission (PDF)

May 5, 1961: Letter to U.S. Chairman, International St. Lawrence River Board of Control, from U.S. Section Secretary, IJC, concerning the Board's April 4, 1961 request for discretionary authority (PDF)

July 1963: Regulation of Lake Ontario: Plan 1958-D. Report to the International Joint Commission by the International St. Lawrence Board of Control (PDF)

April 15, 1999: Letter to the Minister of Foreign Affairs of Canada and Secretary of State of the United States on the need to review the regulation of water levels and flows (PDF)

September 1999: Plan of Study for Criteria Review in the Orders of Approval for Regulation of Lake Ontario-St. Lawrence River Levels and Flows (PDF)

October 15, 1999: Letter to the Secretary of State of the United States on transmitting the Plan of Study for reviewing water levels and flow regulation(PDF)

September 4, 2008: Letter from the IJC to the Secretary of State of the United States (PDF)