TagNEPA(390)

Exhibit 3-24 from the Seattle-Tacoma International Airport Environmental Assessment for the Sustainable Airport Master Plan Near-Term Projects, prepared by Landrum & Brown, dated October 2024 (Draft). The aerial overview map shows delineated wetlands, confirmed and estimated wetland boundaries, culverts, ditches, and wetland protection areas within and around the airport study area, with three detail sheet insets highlighted.

This map, from the Seattle-Tacoma International Airport Environmental Assessment for the Sustainable Airport Master Plan Near-Term Projects (Draft, October 2024), shows the percentage of population under age 18 by census block group within the General Study Area. Prepared by Landrum & Brown for the Port of Seattle, the map uses a purple color gradient to indicate concentrations ranging from under 10% to 30.1–40% children, with the airport property and study area boundary overlaid.

Port of Seattle infographic (August 2018, page 34) summarizing Sea-Tac Airport's economic impact on Federal Way, Washington, including 3,900 jobs, $440 million in economic activity, $183 million in total compensation, and a breakdown of Federal Way employment by sector showing services at 54% (16,660 jobs). The document notes that 13% of Federal Way's total jobs are supported by Sea-Tac Airport.

Port of Seattle infographic (August 2018, Page 32) showing Normandy Park's airport-driven economic activity for 2017, including 200 jobs, $15 million in economic activity, $7 million total compensation, 5% estimated GDP contribution, 100 airport employees living in Normandy Park, and $0.1 million in local taxes. Includes maps and charts showing where Normandy Park residents work and employment by sector, noting 18% of 840 total local jobs are supported by Sea-Tac Airport.

This infographic from the Port of Seattle's August 2018 Airport Economic Impacts report (Page 33) details Sea-Tac Airport's economic contributions to Tukwila in 2017, including 4,200 jobs, $483 million in economic activity, $188 million in total compensation, and $4.2 million in local taxes. It also includes a map of where Tukwila residents work and a bar chart of Tukwila employment by sector for 2016, noting that 9% of 47,300 total jobs in Tukwila are supported by Sea-Tac Airport.

This infographic from the Port of Seattle's August 2018 Airport Economic Impacts report (Page 30) details Burien's airport-driven economic activity for 2017, including 1,400 jobs, $157 million in economic activity, $66 million in total compensation, and $1.4 million in local taxes. It also includes a map of where Burien residents work and a bar chart of Burien employment by sector for 2016, noting that 11% of 12,800 total jobs in Burien are supported by Sea-Tac Airport.

This infographic from the Port of Seattle's August 2018 Airport Economic Impacts report details the economic activity driven by Seattle-Tacoma International Airport in 2017, including 26,300 jobs, $6.4 billion in economic activity, $1.7 billion in total compensation, and $26.8 million in local taxes. It also includes a map of where SeaTac residents work and a bar chart showing SeaTac employment by sector for 2016, noting that 85% of the 31,000 total jobs in SeaTac are supported by Sea-Tac Airport.

Page 28 of the Port of Seattle Airport Economic Impacts report (August 2018), presenting Exhibit 27, a table showing estimated airport employment, labor force size, and share of labor force for 17 cities in the Seattle metro area in 2017. The accompanying text highlights six cities selected for detailed profiles—SeaTac, Burien, Des Moines, Normandy Park, Tukwila, and Federal Way—where airport workers represented more than 2% of the resident labor force.

Page 27 of the Port of Seattle Airport Economic Impacts report (August 2018) details community impacts of Sea-Tac International Airport, including Exhibit 26, a map and table showing airport workers by city of residence in 2017, with Seattle (1,720), Federal Way (1,500), and Kent (1,420) as the top three cities among the 19,100 total employees. The section notes Tukwila had the highest share of airport employment as a percentage of total labor force at 9.6%.

This infographic from the Port of Seattle's August 2018 Airport Economic Impacts report details Sea-Tac International Airport's economic contribution to Des Moines, Washington in 2017, including 1,200 jobs, $126 million in economic activity, $59 million in total compensation, 740 estimated airport employees living in Des Moines, and 6% of estimated Des Moines GDP. It also references the Des Moines Creek Business Park development (1.3 million sq ft, 3,500 jobs) and includes maps and charts showing where Des Moines residents work and employment by sector for 2016.