Deer Lake Area of Concern

Deer Lake near Ishpeming, Michigan flows to Lake Superior. Mercury contamination from historic local and regional mining activity enters Deer Lake and affects fish and wildlife. EPA has spent $8 million from the Great Lakes Restoration Initiative to eliminate the largest controllable point source of mercury contamination to the lake.

Latest News

The Deer Lake Public Advisory Council, in conjunction with the State of Michigan, initiated the formal delisting process of the Deer Lake AOC in March 2014. 

Public Comment on Deer Lake AOC Delisting Proposal - deadline June 30, 2014

Now that we've completed the Partridge Creek Diversion Project (the last major management action) and removed all three benefical use impairments, the process of delisting the AOC has begun.

An AOC technical committee has been formed, made up of staff from state and federal agencies, and the Public Advisory Council's technical committee. The committee is using delisting criteria based on Restoring United States Areas of Concern: Delisting Principles and Guidelines (PDF) (29 pp, 65 K, About PDF).