These open bodies of water behind Duluth’s Erie Pier were the subject of a 2015 cleanup investigation.
News Releases: April 2019
Comment sought on cleanup of the ponds behind Erie Pier — Monday, April 8, 2019
MPCA recognizes wastewater facilities for operational excellence — Thursday, April 4, 2019
In Minnesota, there are about 1,600 municipal and industrial wastewater treatment facilities.