RIVER BASIN · SLAW
North America · shared by 2 countries
St. Lawrence basin (blue) over its riparian countries · real geometry, TFDD & Natural Earth
| 1909 | Treaty Between Great Britain and the United States relating to boundary waters and boundary questions Navigation, Water Quantity |
| 1935 | Exchange of Notes constituting an Agreement between the United States of America and Canada regarding the level of Lake Memphremagog Flood Management |
| 1940 | Exchange of notes between the government of the United States of America and the government of Canada constituting an agreement regarding the development of cer Water Quantity, Hydropower |
| 1941 | Agreement for the utilization of water in the Great Lakes-St. Lawrence Basin |
| 1941 | Exchange of notes between the government of the United States and the government of Canada constituting an arrangement concerning temporary diversion for power Water Quantity, Hydropower |
| 1941 | Exchange of notes constituting an agreement between the government of the United States and the government of Canada relating to additional temporary diversion Water Quantity, Hydropower |
| 1941 | Raising the level of lake st. francis Water Quantity, Hydropower |
| 1942 | Exchange of notes constituting an agreement extending...agreement [re. raising level of Lake St. Francis, Nov. 11, 1941], Washington 5 and 9 October 1942 Water Quantity, Hydropower |
| 1944 | Exchange of notes (August 31 and September 7, 1944) between Canada and the United States extending the agreement for the temporary raising of the level of Lake Water Quantity, Hydropower |
| 1950 | Treaty between the United States of America and Canada relating to the uses of the waters of the Niagara River Water Quantity, Hydropower |
| 1950 | Treaty between Canada and the United States of America concerning the diversion of the Niagara River, with agreement between Canada and Ontario and protocol of Water Quantity |
| 1952 | Exchange of notes constituting an agreement between the United States of America and Canada relating to the St. Lawrence Seaway Project, Washington Hydropower, Navigation |
| 1953 | Exchange of notes constituting an agreement between the United States and Canada relating to the establishment of the St. Lawrence River joint board of engineer Infrastructure, Hydropower |
| 1954 | Exchange of notes constituting an agreement between the United States of America and Canada modifying and supplementing the agreement of 30 June 1952 relating t Navigation, Infrastructure |
| 1954 | Exchange of Notes Constituting an Agreement Relating to the Construction of Remedial Works at Niagara Falls |
| 1957 | Exchange of notes constituting an agreement relating to navigation improvements of the Great Lakes connecting channels of the Saint Lawrence Seaway Navigation |
| 1969 | Exchange of notes constituting an agreement between the United States of America and Canada for the construction of a temporary cofferdam at Niagara Hydropower, Infrastructure |
| 1969 | Exchange of notes constituting an agreement between the United States of America and Canada for the temporary diversion for power purposes of the water normally Water Quantity, Hydropower |
| 1972 | Agreement on Great Lakes water quality with annexes and attachments, signed at Ottawa Water Quality |
| 1973 | Agreement constituting appendix I, relating to gross reductions in inputs of phosphorus to Lakes Superior and Huron to the Great Lakes water quality agreement o Water Quality |
| 1978 | 1978 agreement between the United States and Canada on Great Lakes water quality Water Quality, Infrastructure |
| 1979 | Exchange of notes between the government of Canada and the government of the United States of America constituting an agreement with respect of article I of the Water Quantity |
| 1983 | Supplementary agreement amending the agreement between Canada and the United States of America on Great Lakes water quality, 1978 Water Quality, Infrastructure |
| 1985 | Treaty Between the Government of Canada and the Government of the United States of America Concerning Pacific Salmon Fisheries |
| 1987 | Protocol amending the 1978 agreement between the United States of American and Canada on Great Lakes water quality, as amended on 16.10.1983 ◆ GW Water Quality |
| 1997 | Protocol amending the 1978 Agreement between the United States of American and Canada on Great Lakes water quality, as amended on October 16, 1983 -- as revised ◆ GW Water Quality |
| 2001 | An Act to amend the International Boundary Waters Treaty Act Water Quantity |
| 2005 | Great Lakes-St. Lawrence River Basin sustainable water resources agreement ◆ GW Water Quality, Water Quantity |
| 2012 | Great Lakes water quality protocol of 2012: Protocol amending the agreement between Canada and the United States of America on Great Lakes water quality, 1978, ◆ GW Water Quality |
| 2012 | Protocol amending the agreement between the United States of America and Canada on Great Lakes water quality, 1978, as amended on October 16, 1983 and November ◆ GW Water Quality |
Source: TFDD International Freshwater Treaties Database · open in the explorer →