This document is an environmental evaluation prepared by the U.S. Army Corps of Engineers for a dredge-and-fill permit application submitted by the Port of Seattle (permit no. 1996-4-02325). It assesses the potential impacts of proposed discharge activities on aquatic ecosystems, including effects on water quality, fish and wildlife, wetlands, and human uses such as fisheries and recreation. The evaluation also examines practicable alternatives and outlines measures to minimize or compensate for unavoidable environmental impacts.Open full document
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This document is Appendix B to the Record of Decision for the Port of Seattle (permit 1996-4-02325), providing a Section 404(b)(1) evaluation under the Clean Water Act. It covers project description, analysis of practicable alternatives, potential impacts on physical, chemical, and biological characteristics of the aquatic ecosystem, and findings of compliance with restrictions on discharge. The evaluation addresses topics including substrate impacts, turbidity, wetlands, threatened species, and mitigation measures.