Treaty Between Great Britain and the United States relating to boundary waters and boundary questions

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About Treaty Between Great Britain and the United States relating to boundary waters and boundary questions

Signed: 1909/01/11

Agreement Type: treaty, trans-national

Included in Agreement
Riparians - United States, Canada
Water Resources - Columbia Basin, Colorado Basin, St. Croix Basin, Whiting Basin, St. John Basin, Chilkat Basin, Stikine Basin, Alsek Basin, St. Lawrence Basin, Yukon Basin, Taku Basin

All Facts about Treaty Between Great Britain and the United States relating to boundary waters and boundary questions


This document, signed in Washington, represents a primary agreement between the included parties.[1] The primary issue covered by this document is water quantity.[1]

Comments on this agreement from the TFDD International Freshwater Treaties Database include:Smaller rivers also had water allocated for irrigation: St. Mary and Milk Rivers and their tributaries (in Montana, Alberta, and Saskatchewan) are treated as a single river. During the irrigation season ( between 4/1 and 10/31), the USA gets prior appropriations of 500 cfs on the Milk River, or 75% of natural flow at that time, and Canada gets a prior appropriation of 500 cfs, or 75% of the natural flow at that time, from the St. Mary River. Disagreements that the commission is unable to resolve are referred to an umpire, as prescribed by the Hague Convention (18th October 1907).[1]and regarding allocations: US may divert water above Niagara Falls (hydropower only) up to 20,000 cfs. UK (Canada) may divert (hydropower only) up to 36,000 cfs. Diversions set so the level of Lake Erie would not be affected. Both sides agree not to affect the natural flow of boundary rivers..[1]

Case Studies Related to this Agreement

Articles linked to this Agreement

Riparians Water Features

Agreement includes riparian- United States, Canada

Includes Water Resource- Columbia Basin, Colorado Basin, St. Croix Basin, Whiting Basin, St. John Basin, Chilkat Basin, Stikine Basin, Alsek Basin, St. Lawrence Basin, Yukon Basin, Taku Basin


Projects and Initiatives Agreements and Treaties


Associated organizational projects- International Joint Commission (IJC)






External Links

  1. ^ 1.0 1.1 1.2 1.3 Treaty Between Great Britain and the United States relating to boundary waters and boundary questions entry in the Transboundary Freshwater Agreements Database, a Product of the Transboundary Freshwater Dispute Database. Department of Geosciences, Oregon State University. Additional information about the TFDD can be found at: <http://www.transboundarywaters.orst.edu>. Entry accessed online August 30 2014 at: http://ocid.nacse.org/tfdd/treaties.php?page=full&origin=river&tn=45



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