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EXH 260: Declaration Donald E. Weitkamp PhD — ACC v. Dept of Ecology PCHB No. 01-133

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This legal declaration by fish biologist Donald E. Weitkamp was submitted to Washington's Pollution Control Hearings Board in a case involving Seattle-Tacoma International Airport's expansion, including a proposed third runway. Weitkamp argues that the project's stormwater controls and water quality conditions under the §401 Certification are adequate to protect nearby streams, and disputes claims that salmon species are present near the airport's property along the headwaters of Miller, Walker, and Des Moines Creeks. He contends that these streams have already been significantly altered by surrounding urban development, making them more suitable for warm-water fish species than for salmonids.

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Declaration of Donald E. Weitkamp, Ph.D (fish biologist, Foster Pepper & Shefelman PLLC) filed in PCHB Case No. 01-133, Airport Communities Coalition (ACC) v. Department of Ecology and Port Of Seattle. Weitkamp responds to ACC declarant Dr. John Strand’s claims that the §401 Certification issued by Washington Department of Ecology for U.S. Army Corps of Engineers Public Notice 1996-4-02325 (Sea-Tac Airport third runway and STIA improvements) will harm streams and aquatic life. Weitkamp argues water quality controls, best management practices, and site-specific stormwater standards are adequate to protect Miller Creek, Walker Creek, and Des Moines Creek. Addresses absence of coho, chum, and chinook salmon near STIA headwaters; presence of exotic warmwater species (yellow perch, black crappie, pumpkinseed sunfish); Biological Assessment prepared for USFWS and NMFS; Low Streamflow Analysis; Summer Low Flow Impact Offset Facility; Natural Resources Mitigation Plan; Stormwater Management Plan; and Biological Opinion. Exhibit identifier: EXH0260, AR 019248–019250.

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