International Lake Superior Board of Control

'It just lowered and lowered': Lake Superior water levels drop by nearly 30 cm compared to year ago

'It just lowered and lowered': Lake Superior water levels drop by nearly 30 cm compared to year ago

Despite a wetter-than-average December, water levels on Lake Superior are nearly 30 centimetres lower than a year ago, according to an organization that monitors lake levels. The International Lake Superior Board of Control said Lake Superior water levels in January are 28 centimetres below levels recorded a year ago, and seven centimetres lower than the long-term average between 1918 and 2020.

Lake Superior water levels drop after hot, dry summer

Lake Superior water levels drop after hot, dry summer

Hot summer weather and drier than average conditions have led to a lowering of Lake Superior water levels. The International Lake Superior Board of Control (ILSBC) said water levels had declined and reached the seasonal long-term average for the first time since April 2014. In its September update, the ILSBC said Lake Superior declined three centimetres in the month of August, a month that normally see the lake rising one centimetre.