
PROJECT: Des Moines Creek Basin Restoration Projects APPLICANT: Des Moines Creek Basin Cornmittee (city of SeaTac, city of Des Moines, Port of Seattle, King County, Washington State Department of Transportation) CONTACT: City of SeaTac: Michael Scarey, Senior Planner at (206) 241-1893/TDD (206) 241-0091 . Corbin Loch, Planning Manager for the City of Des Moines at (206) 870-7576 David Masters, Project Coordinator at (206) 354-9749 [E-mail: mikes(@seatac.wa.gov City of Des Moines: Basin Committee: LOCATION: Des Moines Creek Corridor, and Wetlands South of Sea-Tac Airport Runways, East of Des Moines Memorial Drive, (see attached map). PROPOSAL: The proposal involves the construction of several coordinated surface water management facilities to improve existing water quality conditions and to reduce existing flooding conditions within the Des Moines Creek basin. The irnprovements were identified in the Des Moines Creek Basin Plan which was published in 1997. More specifically, the proposal includes improvement of in-stream conditions by reduction of high flows, reduction in stream erosion, improvement of water quality, and improvement of in-stream fish habitat. The proposal includes numerous mitigation measures recommended by state, regional and local agencies to prevent and/or minimize potential adverse impacts. Projects include a new detention facility near the headwaters of Des Moines Creek, a high flow bypass pipe along Des Moines Creek, improving fish habitat conditions within Des Moines Creek, and low-flow augmentation to maintain fish-friendly water flows during dry summer months. These improvements are inter-related and operate in a coordinated fashion to reduce existing impacts to Des Moines (-"reek. The projects…Open full document
Notes
City of SeaTac’s final staff evaluation for environmental checklist regarding Des Moines Creek Basin Restoration Projects. The proposal involves construction of coordinated surface water management facilities to improve water quality and reduce flooding conditions, including detention facilities, high flow bypass pipes, and fish habitat improvements.