Lake Levels are Still Up! Posted October 06, 2014 11:33 am in Lake St. Clair General News by Kim Darrah Share Posted October 6, 2014 – According to the U.S. Army Corps of Engineers, all the Great Lakes are above their levels a year ago…. Lake St. Clair is up 14″! Lake St. Clair is predicted to drop only 4″ in the next 30 days.