This June 1997 report, prepared by the Port of Seattle for Washington State's Department of Ecology, presents storm water receiving environment monitoring results conducted under NPDES Permit No. WA-002465-1. It covers water quality topics including instream toxicity bioassays, sediment quality, identification of pollution sources, metals speciation, vegetation management, and streambank erosion in Miller Creek and Des Moines Creek watersheds near Sea-Tac Airport. The findings assess the environmental impact of airport storm water runoff on local waterways and identify contributing pollution sources within each creek basin.Open full document
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Port Of Seattle Storm Water Receiving Environment Monitoring Report prepared for Washington State Department of Ecology under NPDES Permit No. WA-002465-1, June 1997. Report covers instream toxicity bioassays, sediment quality, identification of other pollution sources, metals speciation, vegetation management, and streambank erosion in Miller Creek and Des Moines Creek basins. Includes estimated storm event pollutant loading, land use analysis, and other sediment quality data. Administrative Record number AR022300, filed as Exhibit 426 in PCHB third runway EIS proceedings.