RIVER BASIN · CLMB
North America · shared by 2 countries
Columbia 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 |
| 1944 | Exchange of notes constituting an agreement between the United States of America and Canada relating to a study to be made by the International Joint Commission Hydropower, Domestic/Municipal Water, Navigation, Agriculture, Flood Management |
| 1961 | Treaty relating to cooperative development of the water resources of the Columbia River Basin (with annexes) Hydropower, nfrastructure, Flood Management |
| 1964 | Exchange of notes constituting an agreement between Canada and the United States of America concerning the treaty relating to cooperative development of the wat Flood Management |
| 1964 | Exchange of notes constituting an agreement between Canada and the United States of America regarding sale of Canada’s entitlement to downstream benefits under Hydropower |
| 1964 | Exchange of notes constituting an agreement between Canada and the United States of America authorizing the Canadian entitlement purchase agreement provided for Hydropower, Infrastructure |
| 1965 | Exchange of notes (October 4, 1965) between the government of Canada and the government of the United States of America relating to the establishment of directi Hydropower, Flood Management |
| 1968 | Exchange of notes concerning a special operating programme for the Duncan and Arrow storages on the Columbia River System Infrastructure, Flood Management, Hydropower |
| 1985 | Treaty Between the Government of Canada and the Government of the United States of America Concerning Pacific Salmon Fisheries |
| 1992 | Environmental cooperation agreement between the Province of British Columbia and the State of Washington ◆ GW Water Quality, Flood Management |
| 1996 | Memorandum of understanding between the Washington Department of Ecology and the B.C. Ministry of Environment, Land, & Parks and Appendix to April 12, 1996 Brit ◆ GW Environment |
| 2001 | An Act to amend the International Boundary Waters Treaty Act Water Quantity |
| 2012 | Columbia River non-treaty storage agreement Water Quantity, Hydropower |
Source: TFDD International Freshwater Treaties Database · open in the explorer →