TagSea-Tac Communities Plan(240)
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Miller Creek Basin Drainage Sub-Areas Map — Sea-Tac Communities Plan (STCP Section 6.3.3)
A drainage map from the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County (document reference 6.3.3, POS 21001), showing the Miller Creek Basin divided into numbered drainage sub-areas with general impervious surface factors (under 20% to 50% or greater) and percentage of total runoff contributions (40%, 28%, 18%, and 14%) for each major zone. -
Sea-Tac Communities Plan — Sources of Water Quality Problems in Des Moines Creek
A planning map from the Sea-Tac Communities Plan (document number POS 20985, section 6.3.2), sponsored by the Port of Seattle and King County, identifying sources of water quality problems in Des Moines Creek. The map legend distinguishes areas not served by sanitary sewers, areas of possible high chemical application, and unshaded areas along streams, with the Seattle-Tacoma Airport prominently shown. -
Sea-Tac Communities Plan Study Area and Airport Vicinity Planning Areas Map
Cover page of the Sea-Tac Communities Plan document (map sheet 3.2.1, page 4), jointly sponsored by the Port of Seattle and King County, showing a topographic base map of the Sea-Tac area with red-outlined rectangles delineating the study area and airport vicinity planning zones around Seattle-Tacoma International Airport. The document is catalogued as POS 20753. -
Sea-Tac Communities Plan West Acquisition Area Planned Land Use Map
This planning map, sponsored by the Port of Seattle and King County, depicts the West Acquisition Area planned land uses near Seattle-Tacoma International Airport, showing the West Conversion Area, Southwest Conversion Area, cargo and maintenance facilities, airport viewing park, taxiway C extension, and key circulation features including SR-509 and Des Moines Way S. The map is labeled as page 37, section 6.6.3 of the Sea-Tac Communities Plan. -
Sea-Tac Communities Plan Chapter 6 — South Reinforcement Area Program Application Map
A planning map from the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County, depicting the South Reinforcement Area program application including the Southwest Conversion Area, Woodside School, and Manhattan Elementary. The legend identifies land-use and noise-mitigation categories including current airport lands, acquisition zones, purchase guarantee areas, cost-sharing insulation, and grid cells defined by noise criteria (e.g., N-17). -
Sea-Tac Communities Plan Chapter 6 Page 22 — Southeast Conversion Area Map
This is page 22 (section 6.6.4) of the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County. The map depicts the Southeast Conversion Area near Seattle-Tacoma International Airport, showing grid cells, acquisition areas, current airport lands, key circulation features including S.R. 509 and South Airport Access road, and named landmarks such as Angle Lake Elementary, Lowe's Terrace, Des Moines Creek, and street references including S. 188th St. and S. 200th St. -
Sea-Tac Communities Plan Chapter 6 Page 12 — North Conversion Area Map
This is page 12 (document reference 6.6.4, POS 21178) of the Sea-Tac Communities Plan, co-sponsored by the Port of Seattle and King County. The map depicts the North Conversion Area near Seattle-Tacoma International Airport, showing current airport lands, grid cells subject to noise-criteria program application, conversion area boundaries, key circulation features, the Ferrucci Addition, a postal facility, Riverton Heights Elementary, S. 152nd and S. 154th Streets, 24th Ave S., 32nd Ave S., Pacific Highway South (SR 99), the North Airport Freeway, and SR 518. -
Sea-Tac Communities Plan: Des Moines Creek Drainage Sub-Areas and Runoff Sources
A planning map from the Sea-Tac Communities Plan (document POS 21002, section 6.3.3) showing drainage sub-areas for Des Moines Creek, with impervious surface factors ranging from under 20% to 50% or greater, and annotating that 80% of total runoff originates from the northern sub-areas and 20% from the southern sub-areas. Sponsored by the Port of Seattle and King County. -
Sea-Tac Communities Plan: North Reinforcement Area Program Application
This planning map, document number 6.6.5, is from the Sea-Tac Communities Plan sponsored by the Port of Seattle and King County. It depicts the North Reinforcement Area program application, showing grid-cell zones color-coded by noise mitigation category—including acquisition, purchase guarantee, cost-sharing insulation, and limited cost-sharing insulation—for the residential area surrounding Seattle-Tacoma International Airport, with landmarks such as Cedarhurst Elementary, Boulevard Park Elementary, Hilltop Elementary, Glacier High, and Sunset Junior High visible. -
2026-01-06Sea-Tac Communities Plan: Airport Vicinity Area and Planning Jurisdictional Area (Section 3.2.1)
This document describes the planning study area surrounding Seattle-Tacoma (Sea-Tac) Airport, which encompassed the entire Highline School District and portions of the Federal Way and South Central School Districts. The study identified four sub-areas forming an 'airport vicinity' zone — defined as the area of primary airport-community incompatibility — to guide policy and land-use planning. King County holds major planning responsibility for the broader sub-regional area, with the Sea-Tac Communities Plan intended to integrate with the wider Highline Community Plan through post-plan coordination.