The elevation of White Bear Lake has historically ranged from its low point of 918.8 feet in 2013 to its high point of 926.96 feet in 1906—a large range of 8 feet. The current lake level is updated online several times daily by the Minnesota DNR. See the current lake level here.
Chart of historical range of White Bear Lake elevations 1982 - 2019:
The following chart shows older historical water levels from 1921 to 2017 with additional markings showing pumping into the lake from wells and the adjustments to the height of the culverts that overflow from White Bear Lake into Bald Eagle Lake: