The PolyMet NorthMet open pit copper-nickel mine, waste rock heaps and tailings basin dumps would be located in Minnesota’s Lake Superior Basin. The open pit mine would be located on what is now public land in the Superior National Forest, containing high quality wetlands and uplands. The tailings basin would be sited on top of an old tailings basin built in the 1950’s on top of three streams and designed to leak.
Acid mine drainage from the Tuslequah Chief Copper-
Lead Mine in British Columbia.
Photo by Chris Miller - www.csmphotos.com
Across the country, there is no example where a sulfide mine has been operated and closed without polluting surface and/or groundwater with acid mine drainage, sulfuric acid and/or toxic metals.
- For a quick summary of how pollution from PolyMet’s proposed open-pit mine, waste rock piles and tailings waste threatens Minnesota's clean water, public health, and natural resources, see WaterLegacy's PolyMet Water Resources Fact Sheet.
- For a quick summary of the PolyMet project and threats to Minnesota’s clean waters, see WaterLegacy’s handy Comment Card.
What Can You Do?
- Find out how you can make your voice heard about the PolyMet sulfide mine and make use of WaterLegacy resources to understand the plan and its potential impacts on water quality, wetlands and human health. Speak Out on PolyMet’s Revised Mine Plan (SDEIS)
- Read the newest information about the PolyMet NorthMet sulfide mine plan, including more than 2,100 pages of the SDEIS and thousands of additional pages in reference documents. PolyMet Supplemental Draft Environmental Impact Statement (SDEIS) Documents.
- Learn more about the history of environmental review of the PolyMet sulfide mine plan and the United States Environmental Protection Agency rejection of PolyMet’s initial plan as “inadequate” and “environmentally unsatisfactory.” PolyMet Environmental Review (EIS) and Early Drafts of PolyMet’s Supplemental Draft Environmental Impact Statement (SDEIS)
- View a map of the NorthMet location and vicinity.
- View a close-up of the proposed tailings basin.
- Learn about the history of the exchange of Superior National Forest land proposed for the PolyMet sulfide mine.
- Discover Glencore, the notorious multi-national corporation that is PolyMet’s primary source of financing.
- Read a quick summary of some of the permitting requirements for the PolyMet project under the Clean Water Act
- Understand why the PolyMet sulfide mine is a threat to environmental justice
- Sign up NOW and get involved with protecting Minnesota’s clean water from sulfide mining pollution.
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