Great Lakes Areas of Concern
Ohio’s Maumee Area of Concern on Lake Erie
EPA Removes Ohio’s Ashtabula River from Binational List of Areas of Concern on the Great Lakes
Nearly $70 million for cleanup and restoration results in Ohio’s first area of concern delisting. Read news release.
Habitat Improvements at Rochester Embayment Area of Concern
EPA Confirms Habitat Improvements at Rochester Embayment Area of Concern in New York (Photo Credit: NYSDEC)
2021 Great Lakes AOC Conference Rescheduled
The U.S.-Canada Great Lakes Water Quality Agreement (Annex 1 of the 2012 Protocol) defines AOCs as "geographic areas designated by the Parties where significant impairment of beneficial uses has occurred as a result of human activities at the local level." An AOC is a location that has experienced environmental degradation. EPA and other federal and state agencies are working to restore the 26 remaining U.S. AOCs in the Great Lakes basin.