TagPollution Control Hearings Board(1532)

A letter from Port of Seattle Water Resources Manager Keith R. Smith to the Washington Department of Ecology transmitting an Implementation Plan for the Des Moines Creek Flow Augmentation Facility. The facility is proposed to address instream flow and temperature issues during summer low flow conditions by introducing cool water from a Port-owned well into

This document is a cover page and file directory for the Seatac Groundwater Study Flat File Format Reference Data, produced by Associated Earth Sciences, Inc. The file set contains 19 objects totaling 12.7 MB, including data tables related to borehole data, geology, hydraulic parameters, hydrogeologic units, water levels, wells, and other groundwater study components.

A letter from Port of Seattle Water Resources Manager Keith R. Smith to the Washington Department of Ecology transmitting an Implementation Plan for the Des Moines Creek Flow Augmentation Facility. The facility is designed to increase streamflow to one cubic foot per second and decrease instream temperatures to 16 degrees Celsius during summer low flow

Email chain (AR 018453) among Erik Stockdale, Tom Luster (Ecology, tlus461@ecy.wa.gov), and Michelle Avolio (FAA, Michelle.Avolio@faa.gov) regarding the proposed SeaTac TRACON project. Avolio’s April 17, 2000 email to Luster describes FAA planning for an Environmental Assessment (EA) and Biological Assessment (BA) for DOE review and comment, contact with NMFS regarding EA/BA section contents, and discussions

A letter from Columbia Biological Assessments to attorneys for the Airport Communities Coalition (ACC) reviewing WDOE’s hydrologic studies report on the Sea-Tac runway fill project. The review evaluates impacts on aquifers, wetlands, and Miller, Walker, and Des Moines Creeks, focusing on fishery resources and aquatic life. The author critiques the report for understating wetland importance,

A hydrogeologic study prepared for the Port of Seattle by Associated Earth Sciences, Inc., examining the Industrial Waste System (IWS) plant and lagoons at Seattle-Tacoma International Airport. The report covers site geology, hydrogeology, ground water levels and flow direction, and ground water quality including volatile organic compounds, total petroleum hydrocarbons, and ethylene glycol. The study

The Port of Seattle submits a Change of Water Right Application to the Washington Department of Ecology, seeking to add flow augmentation for Des Moines Creek as a use to an existing water right (Certificate No. 2369) currently used for golf course irrigation. The letter outlines the history of the well, its continuous use since

Sea-Tac Runway Fill Hydrologic Studies Report (AR 045023, project JE9907) prepared by Pacific Groundwater Group, Ecology and Environment, and Earth Tech Inc. for Washington State Department of Ecology Northwest Regional Office, dated June 19, 2000. Report covers hydrologic and hydrogeologic characterization of the Sea-Tac Airport third runway embankment fill area, including Miller Creek and Walker

A hydrologic studies report prepared by Pacific Groundwater Group for the Washington State Department of Ecology regarding the Sea-Tac Airport third runway fill project. The report covers hydrogeologic characterization, impact assessments on groundwater, wetlands, fisheries, and surface water, as well as review of surface water management proposals for the proposed embankment fill area near Miller

The Port of Seattle filed an application with the Washington State Department of Ecology to change/transfer water right number 2369, originally held by King County Water District No. 75. The application seeks to add a purpose of use, specifically flow augmentation for Des Moines Creek and domestic supply/golf course irrigation, while maintaining the existing 400