This 1996 Final Environmental Impact Statement, prepared jointly by the FAA and the Port of Seattle, evaluates proposed development actions at Seattle-Tacoma International Airport as part of a Master Plan Update. Key proposals include building a third parallel runway up to 8,500 feet long, extending an existing runway, improving passenger terminals, and expanding cargo and support facilities. The document assesses potential environmental impacts such as noise, wetland disruption, air and water quality changes, and floodplain encroachment associated with these planned improvements through the year 2020.Open full document
Notes
This Final Environmental Impact Statement (EIS) assesses the impact of proposed development actions at Seattle-Tacoma International Airport, including the construction of a third parallel runway, terminal improvements, parking and access expansions, and other infrastructure updates. The document is a combined NEPA and Washington State Environmental Policy Act (SEPA) review, covering the 1996-2020 development period. Volume 5, Appendix T, contains public comments received during the environmental review process.