Publications

Board publications include reports, fact sheets, infographics, and presentations. Contractor reports are documents created on behalf of, or in coordination with, the IJC or its boards. Government reports are documents developed by US or Canadian local/provincial/state/federal government that are of interest to the IJC or board.

Displaying 1 - 47 of 47.

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The 139th semi-annual progress report to the International Joint Commission from the International Lake Ontario - St. Lawrence River Board, covering the period from 1 September 2022 through 28 February 2023.
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The 138th semi-annual progress report to the International Joint Commission from the International Lake Ontario - St. Lawrence River Board, covering the period from 1 March 2022 through 31 August 2022.
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Welcome to the first edition of the Tri-Board Tribune, a quarterly newsletter designed by the Great Lakes Water Levels Boards of the International Joint Commission to share information and articles related to the entire Great Lakes – St. Lawrence River basin and provide regional updates presented by...
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The 137th semi-annual progress report to the International Joint Commission from the International Lake Ontario - St. Lawrence River Board, covering the period from 1 September 2021 through 28 February, 2022.
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The 136th semi-annual progress report to the International Joint Commission from the International Lake Ontario - St. Lawrence River Board, covering the period from 1 March 2021 through 31 August, 2021.
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Questions and Answers from the June 2021 Virtual Public Meeting
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The 135th semi-annual progress report to the International Joint Commission from the International Lake Ontario - St. Lawrence River Board, covering the period from 1 September 2020 through 28 February, 2021.
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The 135th semi-annual progress report to the International Joint Commission from the International Lake Ontario - St. Lawrence River Board, covering the period from 1 September 2020 through 28 February 2021.
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This graphic explains the roles and responsibilities of the key players involved in the regulation of Lake Ontario and St. Lawrence River regulation.
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The 134th Progress Report to the International Joint Commission by the International Lake Ontario-St. Lawrence River Board, covering the period March 1, 2020 through August 31, 2020.
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One Hundred and Thirty-Third Progress Report to the International Joint Commission by the International Lake Ontario-St. Lawrence River Board Covering the Period 1 September 2019 through 29 February 2020
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One Hundred and Thirty-Second Progress Report to the International Joint Commission by the International Lake Ontario-St. Lawrence River Board Covering the Period 1 March 2019 through 31 August 2019
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This project seeks to address these concerns by conducting a comprehensive scientific review of the life histories and critical habitat of all known fish species inhabiting Lake St. Lawrence (Iroquois Dam to Moses-Saunders Dam). Historically low 2018 water levels in Lake St. Lawrence have prompted...
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The 131st Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of September 1, 2018 to February, 28 2019.
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The objective of this appendix is to provide the background material that was previously presented in the semi-annual reports of the former International St. Lawrence River Board of Control to the International Joint Commission (IJC). Providing the material in this manner allows the semi-annual...
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The 130th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of March 1, 2018 to August 31, 2018.
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This report by the International Lake Ontario - St. Lawrence River Board (the Board) describes the causes of the record high water levels in 2017 on Lake Ontario and the St. Lawrence River, as well as the regulation of outflows by the Board during this event. The Board is appointed by the...
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The 129th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of September 1, 2017 to February 28, 2018.
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The 128th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of March 1, 2017 through August 31, 2017.
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The 127th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of September 1, 2016 to February 28, 2017.
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The 126th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of March 1, 2016 through August 31, 2016.
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The 125th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of September 1, 2015 to February 29, 2016.
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Appendix to Semi-Annual Progress Reports to the International Joint Commission by the International St. Lawrence River Board of Control, covering abbreviations, glossary of terms, and background information, updated March 2016.
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The 124th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of March 1, 2015, through August 31, 2015.
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The 123rd Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of September 24, 2014, through February 28, 2015.
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The 122nd Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of March 27, 2014, through September 23, 2014.
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The 121st Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of September 19, 2013, through March 26, 2014.
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The 120th Progress Report to the Internataional Joint Commission by the International St. Lawrence River Board of Control, covering the period of March 22, 2013, through September 18, 2013.
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The 119th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of September 20, 2012, through March 21, 2013.
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The 118th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of March 22, 2012, through September 19, 2012.
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The 117th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of September 14, 2011, through March 21, 2012.
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The 116th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of March 24, 2011, through September 13, 2011.
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The 115th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of September 10, 2010, through March 23, 2011.
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The 114th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of March 10, 2010, through September 9, 2010.
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The 113th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of September 17, 2009, through March 9, 2010.
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Appendix to the Progress Reports to the International Joint Commission by the International St. Lawrence River Board of Control Covering the Periods after March 2010.
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The 112th Progress Report to the International Joint Commission by the International St. Lawrence River Board of Control, covering the period of March 5, 2009, through September 16, 2009.
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This publication presents a number of questions and answers related to fresh water in Canada including the Great Lakes.
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This fact sheet describes the differences between the hydropower operations of peaking and ponding and the effect of these operations on water level fluctuations.
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This booklet provides information on the dynamic coast of the Great Lakes including outlining the natural risks and how to protect coastal investments.
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This fact sheet describes short-term and long-term natural factors which cause water levels to fluctuate.
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This guide outlines the potential risks and hazards of shoreline areas of the Great Lakes and offers insight to assist buyers in getting the most out of their investments.
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This publication describes the regulation of the Great Lakes and St. Lawrence River including when and why regulation came about, how it works, and its benefits and limitations.
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This brochure explains the causes and effects of Great Lakes water level fluctuations.
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This publication outlines the causes and implications of Great Lakes water level changes.
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The 1956 Orders approved the construction and operation of the components of the international hydropower project at Massena, New York and Cornwall, Ontario, which affect water levels and flows in Lake Ontario and the St. Lawrence River. These components include channel enlargements that increased...
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