Water Treatment for Proposed PolyMet Mine to Take 500 Years
Posted at: 10/05/2013 10:21 PM
| Updated at: 10/05/2013 10:44 PM
By: Emily Haavik
Water runoff from a proposed PolyMet copper-nickel mine north of Hoyt Lakes would have to be treated for up to 500 years, according to an early draft of the environmental impact statement.
The supplemental draft of the statement won't be publicly released until Nov. 22, but a preview has been sent to various groups with vested interests in the project.
This draft says water runoff will need to be treated for a minimum of 200 years at the mine site, and 500 years at the plant site. According to the Friends of the Boundary Waters Wilderness, who provided Eyewitness News with the report, this is a decrease from a previous draft, which stated that treatment would be perpetual.
The current draft of the report states that though the time frame is long term, it's not necessarily perpetual.