EXH AR023705: Letter Fitzsimmons to Dinsmore §401 Water Quality Certification Third Runway

In a September 28, 2000 letter to Port of Seattle Executive Director Mic Dinsmore, Washington State Department of Ecology Director Tom Fitzsimmons explained that the agency could not complete its review of the Port's Clean Water Act Section 401 Water Quality Certification application for the Third Runway project within the required timeframe. Ecology outlined key outstanding concerns, including stormwater management plan deficiencies affecting Miller, Walker, and Des Moines Creeks, as well as wetlands protection issues. The letter proposed a path forward in which the Port would withdraw and resubmit its application, after which Ecology committed to completing its review and issuing a decision within 75 days.

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AR023705. Letter dated September 28, 2000 from Tom Fitzsimmons, Director of Washington State Department of Ecology, to M.R. (Mic) Dinsmore, Executive Director of Port Of Seattle, regarding the status of Ecology’s Clean Water Act § 401 Water Quality Certification review for the Third Runway project at Seattle-Tacoma International Airport. Ecology states it cannot complete its review within the current § 401 Certification timeframe and proposes that the Port withdraw its current § 401 and § 404 Permit applications, reapply, and complete a public comment period. Key issues identified include stormwater management plan (SMP) deficiencies flagged by King County review, flow augmentation for Des Moines Creek, protection of Tyce Pond, excavation of Borrow Site #3, Hydraulic Project Approvals from Department of Fish and Wildlife, Natural Resources Mitigation Plan (NRMP) consistency, and water quality impacts to Miller Creek, Walker Creek, and Des Moines Creek. Ecology commits to completing review within 75 days of reapplication. Transmitted by Barb Patrick (bapa461@ecy.wa.gov, 407-7010) via internal email to Fitzsimmons Thomas, White Gordon, Luster Tom, Hellwig Raymond, and Marchioro Joan (ATG) on September 27, 2000. Administrative Record numbers AR023705–AR023707. Filed in PCHB Third Runway EIS proceedings.

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