Finding of No Significant Impact and Final Section 4(F)
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I-405, Tukwila to Renton Improvement Project (I-5 to SR 169 – Phase 2) FINDING OF !"`$ AÌ NO SIGNIFICANT IMPACT AND AÐ FINAL SECTION 4(f) EVALUATION Bothell July 2008 AÊ Aô %&e( Kirkland Aí AÉ Lake Washington Bellevue !"b$ Newcastle !"`$ %&e( Aá Renton Project Area Aç Tukwila Aí Aæ AÅ { 0 2 Miles I-405, T UKWILA TO R ENTON I MPROVEMENT P ROJECT (I-5 TO SR 169 – P HASE 2) F INDING OF N O S IGNIFICANT I MPACT T ABLE OF C ONTENTS Acronyms and Abbreviations ....................................................................................................................................iii Description of Proposed Action .................................................................................................................................1 EA Coordination and Comments................................................................................................................................3 Determination and Findings........................................................................................................................................5 National Environmental Policy Act Finding ................................................................................................................5 Air Quality Conformity Statement...............................................................................................................................5 Floodplain Finding .....................................................................................................................................................5 Surface Water and Water Quality Finding .................................................................................................................6 Endangered Species Act Finding...............................................................................................................................6 Magnuson-Stevens Fishery Conservation and Management Finding .......................................................................7 Farmland Finding.......................................................................................................................................................7 Wetland Finding.........................................................................................................................................................7 Section 106 Finding...................................................................................................................................................8 Section 4(f) and Section 6(f) Finding .........................................................................................................................8 Environmental Justice Finding...................................................................................................................................9 Noise Finding.............................................................................................................................................................9 Attachment 1: Errata to EA and Technical Studies ........................................................................................... 1-1 Environmental Assessment and Draft Section 4(f) Evaluation............................................................................... 1-1 Appendix G – Cumulative Effects Analysis Technical Memorandum .................................................................... 1-9 Appendix I – Ecosystems Discipline Report ........................................................................................................ 1-10 Appendix J: Environmental Justice Discipline Report......................................................................................... 1-16 Appendix L: Hazardous Materials Technical Memorandum................................................................................ 1-21 Appendix N: Noise Discipline Report.................................................................................................................. 1-30 Appendix Q: Transportation Discipline Report.................................................................................................... 1-34 Appendix R: Visual Quality Technical Memorandum........................................................................................... 1-35 Appendix S: Water Resources Discipline Report................................................................................................. 1-36 Attachment 2: Notices.......................................................................................................................................... 2-1 Attachment 3: FONSI Distribution List ............................................................................................................... 3-1 Attachment 4: Mitigation Commitment List ....................................................................................................... 4-1 List of Commitments Identified in the EA............................................................................................................... 4-2 Transportation................................................................................................................................................... 4-2 Noise................................................................................................................................................................. 4-2 Communities, Businesses, and Public Services ............................................................................................... 4-3 Recreational and Cultural Resources................................................................................................................ 4-3 Visual Quality .................................................................................................................................................... 4-5 Water Resources .............................................................................................................................................. 4-6 Ecosystems..................................................................................................................................................... 4-12 Cumulative Effects .......................................................................................................................................... 4-14 Table of Contents | Page i July 2008 I-405, T UKWILA TO R ENTON I MPROVEMENT P ROJECT (I-5 TO SR 169 – P HASE 2) F INDING OF N O S IGNIFICANT I MPACT Attachment 5: Comments and Responses......................................................................................................... 5-1 Index to Written Comments and Responses ......................................................................................................... 5-1 Comment AT-1: City of Renton............................................................................................................................. 5-2 Responses to Comment Letter AT-1: City of Renton:............................................................................................ 5-5 Comment Letter AT-2: King County Department of Transportation...................................................................... 5-6 Responses to Comment Letter AT-2: King County Department of Transportation ............................................. 5-11 Comment Letter AT-3: Muckleshoot Indian Tribe ............................................................................................... 5-13 Responses to Comment Letter AT-3: Muckleshoot Indian Tribe ........................................................................ 5-24 Comment Letter AT-4: U.S. Department of the Interior....................................................................................... 5-32 Responses to Comment Letter AT-4: U.S. Department of the Interior................................................................ 5-38 Attachment 6: Agency Agreements.................................................................................................................... 6-1 Attachment 7: Final Section 4(f) Evaluation....................................................................................................... 7-1 Page ii | Table of Contents July 2008 I-405, T UKWILA TO R ENTON I MPROVEMENT P ROJECT (I-5 TO SR 169 – P HASE 2) F INDING OF N O S IGNIFICANT I MPACT Acronyms and Abbreviations a.m. ante meridiem APE area of potential effect BMP best management practices BNSF Burlington Northern Santa Fe Railway Company CEQ Council on Environmental Quality CFR Code of Federal Regulations DAHP Department of Archaeology and Historic Preservation dBA A-weighted decibels DNS Determination of Nonsignificance DPS Distinct Population Segment EA Environmental Assessment Ecology Washington State Department of Ecology EIS Environmental Impact Statement ESA Endangered Species Act ESU Evolutionarily Significant Unit FAA Federal Aviation Administration FEIS Final Environmental Impact Statement FEMA Federal Emergency Management Agency FHWA Federal Highway Administration FONSI Finding of No Significant Impact GHG green house gases HOT high-occupancy toll HOV high-occupancy vehicle HPA Hydraulic Project Approval HRM Highway Runoff Manual HSPF Hydrologic Simulation Program for Fortran I-405 Interstate 405 I-5 Interstate 5 IWQA Integrated Water Quality Assessment Leq Equivalent A-weighted sound level LWD large woody debris MOA Memorandum of Agreement Acronyms and Abbreviations | Page iii July 2008 I-405, T UKWILA TO R ENTON I MPROVEMENT P ROJECT (I-5