News Releases
IJC and board news releases include information about outflows and expected conditions, ice boom installation and removal, new publications, and other up-to-date information about the IJC and its boards.
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Displaying 51 - 100 of 292.
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The International Joint Commission (IJC) is very pleased to announce that Ms. Heather Stirratt has accepted the position of Director of the Commission’s Great Lakes Regional Office (GLRO) and will lead the binational regional office for the next four years. Heather has over 27 years of professional...
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Anglers and other users of the St. Marys Rapids, please be advised of the increased flows and water levels that will be experienced in the Rapids in June. After the Compensating Works gate movements scheduled for Monday June 6, the St. Marys Rapids flow is expected to be approximately 720 cubic...
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Anglers and other users of the St. Marys Rapids are advised that on Wednesday morning, May 11, 2022, Gates #9 through #12 will be raised from their current position to a setting of 33 cm (13 in) open for the remainder of the month. Gates #7 and #8 will remain at their current setting of 20 cm (8 in)...
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The International Joint Commission’s Great Lakes Water Quality Board brought together advocates and critics of nuclear energy to recommend improvements to nuclear power plant retirement plans to better protect the environment. The board studied the issue of aging nuclear facilities in the Great...
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Preparations are underway for the removal of the Lake Erie – Niagara River Ice Boom 2022.
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Lake Superior and Lake Michigan-Huron water levels are near their seasonal low point and depending on weather and water supply conditions could begin their seasonal spring rise over the coming weeks. The gate setting at the Compensating Works will be maintained at the setting equivalent to one-half...
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The International Joint Commission (IJC) today released for public comment the Great Lakes-St. Lawrence River Adaptive Management Committee’s (GLAM Committee) report “ Expedited Review of Plan 2014, Phase 1: Informing Plan 2014 Deviation Decisions Under Extreme Conditions.” Comments can be submitted...
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Weather and water supplies to Lakes Superior and Michigan-Huron were much drier than average in January. Lake Superior water levels remain below the seasonal long-term average while Lake Michigan-Huron water levels remain above the seasonal long-term average.
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Ice has formed in the critical sections of the St. Lawrence River in the Beauharnois Canal and on Lake St. Lawrence. As ice conditions stabilize, outflows from Lake Ontario will be increased in accordance with the rules of the plan.
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The Board expects the total outflow to be 1,730 m3/s (61.1 tcfs) in January, which is as prescribed by Lake Superior Regulation Plan 2012. The gate setting at the Compensating Works will be maintained at the setting equivalent to one half gate open (Gates #7 through #10 partially open 20 cm (7.9 in)...
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Currently the regulation plan is prescribing very high outflows, the third highest on record for this time in December, and these plan flows are higher than in December 2020. The regulation plan will continue to prescribe high outflows over the winter.
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Lake Superior outflows continue to be set in consideration of water levels upstream and downstream. The gate setting at the Compensating Works will be maintained at the setting equivalent to one half gate open (Gates #7 through #10 partially open 20 cm (7.9 in)). There will be no change to the...
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Recent polling on water quality issues reveals that an increasing majority of Great Lakes residents believe government and individual actions to protect water quality are important and valuable. The International Joint Commission Great Lakes Water Quality Board conducted its third Great Lakes...
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The International Lake Ontario – St. Lawrence River Board (Board) is seeking your input. The Board would like to collect information specifically related to the reduced outflows from Lake Ontario October 8 through October 11 to support boat haul out and learn more about where people access the water...
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Lake Superior and Lake Michigan-Huron have both continued their seasonal declines in October. As a result of the continued drier than average weather and water supply conditions, water levels on Lake Superior remain slightly below the seasonal long-term average. Weather and water supply conditions...
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Lake Ontario outflows will be increased by 200 m3/s (7,100 cfs) above the amount set by Plan 2014, beginning October 16. This will continue for approximately eight weeks to return water levels in Lake Ontario to the level it would be had outflow deviations not been required earlier this year.
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Anglers and other users of the St. Marys Rapids are advised that the gate setting of the Compensating Works structure at the head of the Rapids will be adjusted on September 27, 2021. The four middle gates (Gates #7 through #10) will be closed and four gates on the US side of the structure (Gates...
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The current water level on Lake St. Lawrence at Long Sault Dam is approximately 73 meters (239.50 ft.). The International Lake Ontario-St. Lawrence River Board will temporarily reduce outflows from Lake Ontario to increase water levels on Lake St. Lawrence the second weekend of October.
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(In French only) - Les conseils de régularisation des eaux des Grands Lacs de la Commission mixte internationale (CMI) vous invitent à assister à un webinaire prévu le mercredi 8 septembre de 12 h à 13 h (HAE). La séance se déroulera en français. Le Conseil international de contrôle du lac Supérieur...
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The International Joint Commission (IJC) Great Lakes water levels boards invite you to attend a webinar scheduled for Friday, August 27 from 12:00 pm to 1:00 pm (EDT).
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Lake Superior and Lake Michigan-Huron water levels are above their respective long-term averages. Therefore, there is a risk of shoreline erosion, lakeshore flooding, and coastal damages.
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The drought conditions that have impacted the Great Lakes-St. Lawrence River watershed this spring have continued to persist into the summer.
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The month of May has been drier than average in the Great Lakes-St. Lawrence River watershed. Based on data from the GLERL Hydromet database and US Army Corps of Engineers data, the most recent 12 months over Lake Ontario have been the driest since 1966. The Canadian and United States drought...
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The International Lake Ontario – St. Lawrence River Board will host several binational virtual public meetings to discuss the current conditions on Lake Ontario and the St. Lawrence River. We have been hearing from concerned property owners, business owners, and recreational users regarding the...
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The Board expects the total outflow to be 2,280 m3/s (80.5 tcfs) in June, which is as prescribed by Lake Superior Regulation Plan 2012. Lake Superior outflows are set in consideration of the above-average levels upstream and downstream.
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While Lake Superior and Lake Michigan-Huron water levels remain above their respective long-term averages, the risk of shoreline erosion, lakeshore flooding, and coastal damages remains.
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Lower than average precipitation and winter snowpack runoff have resulted in decreased inflows to Lake Ontario. The reduced inflows have resulted in lower water levels on Lake Ontario and the St. Lawrence River. In response to these conditions, the Board has decided to reduce outflows from Lake...
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While Lake Superior and Lake Michigan-Huron water levels remain above average, the risk of high-water impacts remains. Lake Superior outflows continue to be set in consideration of high levels upstream and downstream. Last month, Lake Superior declined 2 cm (0.8 in), while on average it declines 1...
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The Board expects the total outflow to be 2,040 m3/s (72 tcfs) in March, which is as prescribed by Lake Superior Regulation Plan 2012. The gate setting of the control structure will be maintained at the typical winter setting equivalent to one-half gate open in March.
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The risk of flooding on Lake Ontario and the upper St. Lawrence River has declined from moderate in December 2020 to low. In December, the risk analysis indicated a 28% chance of water levels exceeding a threshold at which damages occur in many shoreline communities. The risk is now down to 8%...
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The Board expects the total outflow to be 2,050 m3/s (72 tcfs) in February, which is as prescribed by Lake Superior Regulation Plan 2012. The gate setting of the control structure will be maintained at the typical winter setting equivalent to one-half gate open in February.
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The International Joint Commission's Great Lakes Science Advisory Board is hosting a session on a Great Lakes Early Warning System (GLEWS) at the upcoming virtual International Association for Great Lakes Research (IAGLR) Annual Conference, May 17-21, 2021. The first phase of the GLEWS project was...
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The Board expects the total outflow to be 2,170 m3/s (77 tcfs) in January, which is as prescribed by Lake Superior Regulation Plan 2012. The gate setting of the control structure will be maintained at the typical winter setting equivalent to one-half gate open in January.
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Now more than ever, it’s time to embrace binational cooperation to ensure that the waters and people of the Great Lakes basin are healthy. The International Joint Commission (IJC) has advice for Canada and the United States to improve binational cooperation in Great Lakes water quality programs. In...
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Installation of the ice boom for the 2020-2021 ice season is planned to begin as early as December 10, 2020 weather permitting.
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Lake Superior and Lake Michigan-Huron water levels continue to decline, but are still well above average and the risk of high-water impacts remains. Lake Superior outflows continue to be set in consideration of high levels upstream and downstream. Last month, Lake Superior declined 3 cm (1.2 in)...
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BURLINGTON, ONTARIO ----- New York Power Authority (NYPA) is requesting International Joint Commission (IJC) approval for early installation of the ice boom for the 2020-2021 ice season to provide additional time to implement COVID-19 staff safety protocols.
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The lakes are expected to continue their seasonal declines through the fall. However, water levels are expected to remain near seasonal highs and there will continue to be a significantly increased risk of shoreline erosion, lakeshore flooding and coastal damages.
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There are many factors stressing the health of the Great Lakes ecosystem, but some issues like climate change are making other problems even worse. The International Joint Commission Science Advisory Board (SAB) Science Priority Committee’s new report, An Evaluation of Stressor Interactions in the...
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Anglers and other users of the St. Marys Rapids are advised that Gate #1, which is the northernmost gate of the compensating works structure, located closest to the Canadian shoreline at the head of the rapids, will be temporarily closed tomorrow, 9 September, to facilitate underwater safety...
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The Board will temporarily decrease outflows over the second weekend of October to raise Lake St. Lawrence levels significantly and provide a brief, final opportunity for residents of Lake St. Lawrence to remove their boats and other equipment prior to winter. Last week, the Board agreed to let Lake...
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Lake Superior generally remained stable over the course of the month, which is typical for this time of year. Lake Michigan-Huron declined 4 cm (1.6 in) over the course of the month, which is the average water level decline in August. At the beginning of September, Lake Superior is 6 cm (2.4 in)...
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Video of July 2020 Tri-Board Webinar on Great Lakes Water Levels and Answers to Additional Questions
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A public Great Lakes water levels webinar hosted by the International Joint Commission's Lake Superior Board of Control, Lake Ontario-St. Lawrence River Board and Niagara Board of Control was held July 17. This webinar provided an overview of why the Great Lakes were at their current levels and how...
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Video of July 2020 Tri-Board Webinar on Great Lakes Water Levels and Answers to Additional Questions
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A public Great Lakes water levels webinar hosted by the International Joint Commission's Lake Superior Board of Control, Lake Ontario-St. Lawrence River Board and Niagara Board of Control was held July 17. This webinar provided an overview of why the Great Lakes were at their current levels and how...
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Video of July 2020 Tri-Board Webinar on Great Lakes Water Levels and Answers to Additional Questions
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A public Great Lakes water levels webinar hosted by the International Joint Commission's Lake Superior Board of Control, Lake Ontario-St. Lawrence River Board and Niagara Board of Control was held July 17. This webinar provided an overview of why the Great Lakes were at their current levels and how...
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With summer nearing an end, the Board will adjust its outflow strategy and allow Lake St. Lawrence levels to decline to the normal navigation season minimum following the September long weekend. This decision will allow for slightly more water to be released from Lake Ontario during the fall. The...
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Shallow Lake Erie must stick to its strict diet to starve its problematic algal blooms, but the four deeper Great Lakes face a tricky dilemma balancing their nutrient needs, according to a new report by the International Joint Commission’s (IJC) Great Lakes Science Advisory Board. Understanding...
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The US Government Accountability Office issued a report concerning Plan 2014, the current plan used for regulating Lake Ontario outflows, on July 23, 2020. The IJC was pleased to note that the GAO found that process for developing and selecting Plan 2014, was generally consistent with each of the 14...
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What would it look like if we could anticipate the next big ecological threat to the Great Lakes before it happens? A new report from the International Joint Commission’s (IJC) Great Lakes Science Advisory Board (SAB) looks at what it might take to ‘get ahead of the curve’ and develop an early...
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Basin conditions were generally near average or drier than average in June, around both Lake Superior and Lake Michigan-Huron. As a result, water levels did not rise as much as they typically do in June. Nonetheless, water levels are expected to remain high over at least the next few months and...
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