EXH AR017920: Ecology Draft Letter to Port Of Seattle on 401 Water Quality Certification Withdrawal and Reapplication Process — Third Runway

Notes

Attorney-client privileged deliberative document dated September 27, 2000, from Gordon White (Washington Department of Ecology, Shorelands and Environmental Assistance Program) to Tom Luster, Raymond Hellwig, Kevin Fitzpatrick, Joan Marchioro (ATG), and Erik Stockdale. Transmits draft letter to M.R. (Mic) Dinsmore, Executive Director, Port Of Seattle, regarding 401 Water Quality Certification review for the Third Runway project at Sea-Tac Airport. Draft letter (AR017921-AR017922) discusses withdrawal of current 401 application, reapplication for 401 and 404 permits, 60-day review period post-public comment, and specific conditions including Des Moines Creek flow augmentation, Tyee Pond buffer, Borrow Site 3 hydrology, HPAs, and Stormwater Management Plan (SMP) requirements for Miller Creek, Walker Creek, and Des Moines Creek. References King County review of August 2000 SMP, Natural Resources Mitigation Plan (NRMP), Clean Water Act Section 401, and 10% impervious surface/15% grass/75% forested flow control target regime. Document identifier AR017920.

V V