Slide 25 from a Sea-Tac Airport presentation showing a timeline of the FAA NEPA Final Environmental Assessment (FEA) and Record of Decision process alongside the SEPA Environmental Impact Statement process, spanning 2025 to 2027. The current status marker ('WE ARE HERE') indicates the Final NEPA FEA Appeal Period, dated 60 days from 9/26/25 (ending 11/25/25), with subsequent milestones including Draft SEPA EIS publication in Q1 2026, Final SEPA EIS and Decision in Q4 2026, and Commission Action/NTP(s) approval anticipated in 2027.Open full document
Notes
Slide 25 from a Sea-Tac Airport presentation showing a timeline of the FAA NEPA Final Environmental Assessment (FEA) and Record of Decision process alongside the SEPA Environmental Impact Statement process, spanning 2025 to 2027. The current status marker (‘WE ARE HERE’) indicates the Final NEPA FEA Appeal Period, dated 60 days from 9/26/25 (ending 11/25/25), with subsequent milestones including Draft SEPA EIS publication in Q1 2026, Final SEPA EIS and Decision in Q4 2026, and Commission Action/NTP(s) approval anticipated in 2027.
