Read WaterLegacy's Comments on PolyMet's Revised Mine Proposal (SDEIS)

The public comment period closed March 13, 2014 on PolyMet's NorthMet Supplemental Environmental Impact Statement (SDEIS).

After lengthy review of the PolyMet NorthMet SDEIS and thousands of pages of other technical materials, WaterLegacy concluded that the SDEIS is inadequate and the project is likely to pose significant adverse impacts to the environment, to human health, to environmental justice and to tribal rights and resources. The SDEIS is data poor, and its modeled outcomes are determined by unsubstantiated and unreasonable assumptions, rather than by empirical information and field experience. Basic information required to evaluate PolyMet’s proposed action, such as a water balance and loading of solutes in process water flows, is not presented. Fundamental modeling, like Partridge River baseflow, is erroneous. Cited literature is misrepresented and information selectively presented, suggesting advocacy for the project, rather than an independent assessment of its probable outcomes.

 

 Read WaterLegacy's official comments on the plan here.

 


 

EPA, Tribal Cooperating Agencies and other State and Federal Agencies Provided Comments on PolyMet's Revised Mine Proposal (SDEIS)

In 2010, the US Environmental Agency (EPA) gave PolyMet's previous attempt (DEIS) a failing grade. Four years later on March 13, 2014, the EPA rating for the SDEIS showed many areas where the analysis was still incomplete. Read the EPA’s comments on the PolyMet SDEIS.

Tribal Cooperating Agencies expressed “major differences of opinion” with the conclusions of PolyMet’s revised mine proposal (SDEIS), explained the scientific basis for tribal positions on the SDEIS and provided a Cumulative Effects Analysis for the PolyMet Project.

The Minnesota Department of Health and other state agencies also provided comments on the PolyMet SDEIS.

 

Read EPA, Tribal, and other Agency Comments on the PolyMet SDEIS revised mine plan.

 


 

Read PolyMet's Revised Mine Proposal (SDEIS)

PolyMet NorthMet SDEIS CoverBelow are PolyMet's SDEIS Documents released to the public by the Minnesota Department of Natural Resources, the US Army Corps of Engineers and the US Department of Agriculture Forest Service on December 6, 2013.

Download Complete SDEIS »

Note: this PDF is large (136 MB, 2,169 pages) and could take time to download.

Download Individual Chapters

The following documents are in This is a PDF file. You will need Adobe Acrobat Reader to download it. format. You will need Adobe Acrobat Reader to read them.

Table of contents

  1. Cover Letter
  2. Cover
  3. Signature Page
  4. EIS Front Matter
  5. Executive Summary
  6. Chapter 1 - Introduction
  7. Chapter 2 - EIS Development
  8. Chapter 3 - Proposed Action and Alternatives
  9. Chapter 4 - Affected Environment
  10. Chapter 5 - Environmental Consequences
  11. Chapter 6 - Cumulative Effects
  12. Chapter 7 - Comparison of Alternatives and Other NEPA Considerations
  13. Chapter 8 - Major Differences of Opinion
  14. End Matter
  15. Appendix A - Thematic Responses to DEIS Comments
  16. Appendix B - Underground Mining Alternative Position Paper
  17. Appendix C - Tribal Position Supporting Information
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