Publications

IJC publications contain both board and corporate documents, including reports, fact sheets, infographics, and presentations. Contractor reports are created on behalf of or in coordination with the IJC or its boards by a separate entity, including individuals, companies, and governments. Government reports are documents developed by US or Canadian local/provincial/state/federal government that are of interest to the IJC or board.

IJC Content

Displaying 1 - 50 of 158.

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In the spring and summer of 2022, the Namakan Chain of Lakes1 and Rainy Lake reached the highest water levels on record. The flood was a natural disaster that lasted for many weeks. Rainy Lake reached record-breaking water levels, and Namakan Lake ranked as the third highest on record. Since 1949...
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This document serves as a high-level summary of the Water Levels Committee’s Post Flood Report. Read the full report.
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Tenth Annual Report from the International Rainy-Lake of the Woods Watershed Board. January 1, 2022 to December 31, 2022.
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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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In the spring and summer of 2022, the Namakan Chain of Lakes and Rainy Lake reached the highest water levels on record. The flood was a natural disaster that lasted for many weeks. Rainy Lake reached record-breaking water levels, and Namakan Lake ranked as the third highest on record. Since 1949...
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To the Official Compilation Prescribing the Method of Regulating the Levels of Boundary Waters dated September 13, 2018.
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February 2023 slide deck from NOAA - Current Conditions and Outlook for Rainy River Basin
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Water Levels Committee: Pre-Spring Engagement - February 27, 2023 slide deck Base Flows Snowpack Temperature Overall Picture Long-Range forecasts and Climate
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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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As part of the International Rainy Lake of the Woods Watershed Board’s implementation of the IJC’s climate change guidance framework, the Adaptive Management Committee engaged water resources experts, IJC staff, and the public in a half-day, in-person workshop in Fort Frances, ON on the margins of...
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This infographic outlines the roles and responsibilities for the management of water levels in the Rainy-Lake of the Woods basin.
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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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To the Official Compilation Order Prescribing the Method of Regulating the Levels of Boundary Waters dated September 13, 2018
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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 report outlines changes that have occurred since the last report in 2014, focusing on the primary areas of concern in the watershed of nutrients and algae, contaminants, climate change, aquatic invasive species, and erosion/water levels. The report also highlights concerns about the health of...
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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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This report provides background on the IJC Climate Adaption Guidance Framework and an update on implementation by the IRLWWB and Adaptive Management Committee.
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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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This report summarizes the results of the first phase of a project to address the need for Water Quality Objectives and Alert Levels for the Rainy-Lake of the Woods Watershed. Water Quality Objectives are internationally agreed upon standards, whereas Alert Levels are advisory level triggers that...
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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 International Rainy-Lake of the Woods Watershed Board (IRLWWB) is charged with monitoring and reporting on the ecological health of the Lake of the Woods and Rainy Lake boundary waters aquatic ecosystem, including water quality; coordinating the management of water levels and flows on Rainy and...
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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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In the Matter of Emergency Regulation of the Level of Rainy Lake and of other Boundary Waters in the Rainy Lake Watershed Supplementary Order To the Order Prescribing Method of Regulating the Levels of Boundary Waters, dated 8 June 1949, as amended by Supplementary Orders dated 1 October 1957, 29...
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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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