News Releases

Conditions across the Great Lakes were drier this past month and the water levels of both Lake Superior and Lake Michigan-Huron declined more than they typically do in February. Nonetheless, an exceptional volume of water remains in the system and all of the Great Lakes remain near or above record...

Lake Superior and Lake Michigan-Huron water levels are above record-highs for this time of year as wet conditions persisted across the upper Great Lakes basin in January. With all of the Great Lakes near or above record-highs for this time of year, there is an exceptional volume of water in the...

Lake Superior and Lake Michigan-Huron remain near record-highs for this time of year, but are expected to continue their seasonal declines in December. As a result, there will continue to be a significantly increased risk of shoreline erosion, lakeshore flooding and coastal damages over the next...

The Board expects the total outflow from Lake Superior to be 2,820 m3/s in November, which is as prescribed by Lake Superior Regulation Plan 2012. The gate setting will be lowered in stages beginning in late November to allow for a gradual reduction in St. Marys Rapids flows and water levels prior...

An on-line questionnaire has been developed that allows impacted shoreline property owners to report directly on their experiences in 2019 (https://ijc.org/en/glam/watershed/questionnaire/high-water-levels-2019).

The International Lake Superior Board of Control (Board) expects the total outflow from Lake Superior to be 2,840 m3/s in September, which is as prescribed by Lake Superior Regulation Plan 2012. The gate setting at the Compensating Works will be maintained at the equivalent of nine gates fully open.

The above-average levels coupled with strong winds and waves continue to result in shoreline erosion and coastal damages across the upper Great Lakes system.

Generally wet conditions persisted across the upper Great Lakes basin in January, and water levels of Lake Superior and Lake Michigan-Huron remain well above average.

December, like October and November, saw wet conditions across the upper Great Lakes basin, and water levels of Lake Superior and Lake Michigan-Huron remain well above average.

The International Lake Superior Board of Control, under authority granted to it by the International Joint Commission (IJC), advises that the gate setting of the control structure at the head of the St. Marys Rapids will be reduced prior to winter, beginning next week. The gate setting will be...