This document is a water system facilities and pressure zones map for the Highline Water District, covering communities including SeaTac, Des Moines, Burien, Normandy Park, and Federal Way in the greater Seattle area. It shows the locations of water mains, pump stations, storage facilities, wells, water treatment plants, and pressure-reducing valves (PRVs) across more than a dozen distinct pressure zones. The map is part of the district's Water System Plan and was produced by engineering firm Carollo.

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A detailed map of the Highline Water District’s water system facilities and pressure zones in the south King County area. The map displays water mains by pipe diameter, pressure reducing valves (PRVs), pump stations, storage facilities, water treatment plants, wells, and interties across multiple pressure zones ranging from 295 to 600 psi. Service area covers cities including Des Moines, SeaTac, Normandy Park, Burien, Federal Way, Kent, Tukwila, and Auburn.

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As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.

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