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Sumas Energy 2 Generation Facility - Application No. 99-1
Final Supplemental Environmental Impact Statement

Viewing the Final Supplemental Environmental Impact Statement

  • The Final SEIS has been converted to PDF file format.  To view these files use the free Adobe Acrobat Reader software.

  • To view the document, scroll to the  the Table of Contents below, then click on the chapter or subsection desired.

  • Please read the Cover Letter and the Fact Sheet for information about the Final SEIS, location of public meetings, comment period, and other important information.

  • Figures are available in two formats:

    • individually as Adobe Acrobat PDF files: See the  List Of Figures below

    • embedded in the Adobe Acrobat PDF version documents. To view a specific figure, open the corresponding document section. 
      Note: use the links provided in the documents to access the 11 by 17 fold outs or view them individually through the List Of Figures.

  • Please contact Allen Fiksdal at Allenf@cted.wa.gov should you find any missing files or broken links.

An Addendum to the Final SEIS was issued on May 16, 2002.

To read PDF files get the free Adobe Acrobat Reader getacro.gif (712 bytes)

Final SEIS - Table of Contents

Cover  

Final SEIS Cover Letter to Reviewers  

Fact Sheet

Table of Contents  
(includes List of Figures and List of Tables)

Chapter 1 Summary  

1.1 Introduction 

1.2 Purpose and Need for Project 

1.3 Changes in Project Description 

1.3.1 Proposed Action 

1.3.2 No Action Alternative 

1.4 Public Involvement Since Issuance of the FEIS 

1.4.1 Scoping 

1.4.2 Role of EFSEC 

1.5 Significant Areas of Controversy or Uncertainty and Issues to be Resolved

1.6 Summary of Potential Impacts, Mitigation Measures, and Significant Unavoidable Adverse Impacts

Chapter 2 Proposed Action and Alternatives  

2.1 Introduction 

2.1.1 The Applicant 

2.1.2 Scope of this SEIS 

2.2 Project Description and Changes Since Issuance of FEIS 

2.2.1 Project Description Changes Not Requiring Analysis in this SEIS 

2.2.2 Project Description Changes Requiring Analysis in this SEIS 

2.2.3 Construction 

2.2.4 Operation 

Chapter 3 Existing Conditions, Impacts, and Mitigation Measures

Introduction

3.1 Air Quality (Greenhouse Gases)

3.1.1 Existing Conditions

3.1.2 Environmental Impacts of Proposed Project

3.1.3 Mitigation Measures

3.2 Groundwater Quality

3.2.1 Existing Conditions 

3.2.2 Changes Related to Groundwater Quality 

3.2.3 Environmental Impacts 

3.2.4 Mitigation Measures 

3.2.5 Significant Unavoidable Adverse Impacts 

3.3 Groundwater Quantity 

3.3.1 Existing Conditions 

3.3.2 Changes Related to Groundwater Quantity 

3.3.3 Environmental Impacts 

3.3.4 Mitigation Measures 

3.3.5 Significant Unavoidable Adverse Impacts 

3.4 Low-Frequency Noise 

3.4.1 Existing Conditions 

3.4.2 Environmental Impacts 

3.4.3 Noise Mitigation Measures 

3.5 Wetlands 

3.5.1 Sources of Information 

3.5.2 Existing Conditions 

3.5.3 Environmental Impacts of Proposed Action 

3.5.4 Mitigation Measures 

3.5.5 Significant Unavoidable Adverse Impacts 

3.6 Flooding Potential 

3.6.1 Existing Conditions 

3.6.2 Changes Related to Flood Modeling 

3.6.3 Environmental Impacts 

3.6.4 Mitigation Measures 

3.7 Faulting and Seismicity  

3.7.1 Existing Conditions 

3.7.2 Changes Related to Faulting and Seismicity 

3.7.3 Environmental Impacts 

3.7.4 Mitigation Measures 

3.7.5 Significant Unavoidable Adverse Impacts 

Chapter 4 – References  

Chapter 5 – Acronym List  

Chapter 6 – List of Preparers

Chapter 7 – Distribution List  

Appendix A: Section 401 Technical Evaluation Memorandum

Appendix B: Public Comments and Responses

 

Introduction

 

United States:

USS—State

USS1 Jeannie Summerhays, Washington State Department of Ecology: Letter, Response

 

USO—Nongovernmental organization  

USO1  Danielle Dixon, NW Energy Coalition: Letter, Response

USO2  Brian Carpenter, REBOUND : Letter, Response

USO3  Charles E. Martin, Sumas Energy 2, Inc.: Letter, Response

USO4  Brad Owens, Northwest Building and Construction Trades Council: Letter, Response

 

USR—Resident:

USR1  Kirk Deal: Letter, Response

USR2  Marian G. Beddill: Letter, Response

USR3  Marlene Noteboom: Letter, Response

USR4  Candice Ambrosio and Dean Rogers: Letter, Response

USR5  Lynn Peterson and Hugh Lewis: Letter, Response

USR6  Connie Hoag: Letter, Response

USR7  Joni Hensley: Letter, Response

USR8  Mike Bozzo: Letter, Response

USR9  Paige and Ladd Shumway: Letter, Response

USR10  Margaret Curtis: Letter, Response

USR11  Richard H. Severson: Letter, Response

USR12  Bo Bumford: Letter, Response

USR13  Darryl Ehlers: Letter, Response

USR14  Andy Ross: Letter, Response

USR15  Rolf B.G. Nilsen: Letter, Response

USR16  Mike Kaufman: Letter, Response

 

Canada:

CF—Federal

CF1  Kirk Johnstone, Environment Canada: Letter, Response

 

CP—Provincial

CP1  Margaret Eckenfelder, British Columbia Ministry of Water, Land and Air Protection : Letter, Response

 

CL—Local government

CL1  Patricia Ross, City of Abbotsford: Letter, Response

 

CO—Nongovernmental organization

CO1  Lee Larkin, Chilliwack Field Naturalists: Letter, Response

CO2  Mary Reeves, Abbotsford Downtown Business Association: Letter, Response

CO3  Garry Dickinson, Huntingdon Duty Free Shop Inc.: Letter, Response

 

CR—Resident

 CR1  Les and Joan Hay: Letter, Response

CR2  Andrea Mikulan: Letter, Response

CR3  E. Herbert Warkentin: Letter, Response

CR4  Heather Taylor: Letter, Response

CR5  James Degen: Letter, Response

CR6  James Degen: Letter, Response

CR7  Rose Morrison: Letter, Response

CR8  Laurie Hoekstra: Letter, Response

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List of Figures

2-1 General Vicinity Map 

2-2 S2GF Site Plan 

2-3 Proposed Gas Line; Water Supply Line; Wastewater Line;
230-kV Transmission Line 

3.2-1 Land Use within May Road and Sumas Well Field Capture Zones 

3.2-2 Geologic Profile of the Sumas Aquifer

3.2-3 Nitrate Concentrations in Sumas City Wells 

3.3-1 Theoretical Radius of Interference: May Road and City
of Sumas Well Fields
 

3.5-1 Plant Site – Existing Conditions 

3.5-2 Wetlands Compensatory Mitigation Site Plan 

3.6-1 100-Year Floodplain Area

3.7-1 Inferred Surface Traces of Sumas and Vedder Mountain Faults 

3.7-2 Tectonic Setting of the Cascadia Subduction Zone 

3.7-3 Cross-Sections of Earthquake Hypocenters beneath Western Washington 

3.7-4 Epicenters and Dates of Larger Pacific Northwest Earthquakes 

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