This December 2001 report, prepared by Parametrix, Inc. and several partner firms for the Port of Seattle, analyzes low streamflow conditions and proposes a Summer Low Flow Impact Offset Facility as part of the Seattle-Tacoma International Airport Master Plan Update Improvements. The study examines how planned airport expansion may affect seasonal low-flow water resources in the surrounding area and outlines mitigation measures to offset those impacts. The report is organized across multiple volumes, with Volume 1 containing the main text and Appendices B through J.Open full document
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Exhibit 297 (AR 019894–019896), filed in PCHB proceedings related to the Sea-Tac Airport third runway EIS. Report prepared by Parametrix, Inc. with subconsultants Aqua Terra Consultants, Earth Tech Inc., Foster Wheeler Environmental Corporation, HNTB, and Pacific Groundwater Group for Port Of Seattle, Seattle-Tacoma International Airport Master Plan Update Improvements, December 2001 (project no. 556-2912-001). Analyzes low streamflow conditions and proposes a summer low flow impact offset facility. Volume 1 includes main text and Appendices B through J.