The EPA is seeking public comment to determine if the Pebble Mine Project should be allowed to go forward in the normal permitting process that would bring construction of the Mine one step closer to reality.
Pebble Mine Partners are working to file permits for the southwest Alaska gold and copper mine project.
The project was halted following opposition from Alaskans in 2013, including Alaska Governor Bill Walker.
The controversial project would be located at the headwaters of the Bristol Bay watershed.
Opponents of the project argue that a mine in the area would have drastic consequences to salmon and marine populations.
Mine partners have been pushing the project's estimated 107-million ounces of gold to possible investors and intend to apply for the Clean Water Act Section 404 permit.
The Pebble Partnership will hold a meeting on Monday in Anchorage, and have invited groups opposing the mine.
Those groups have declined the meeting and are planning a protest rally next week.