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The Headwaters project is currently in design and will be built over the summer of 2013. Work will include converting the area by the NW quadrant of 65th Sportsfield Dr. into ponds and wetlands that overflow into the recently constructed wetland chain.
Magnuson Park Wetlands Phase IV:
WSDOT has submitted a draft JARPA to the Army Corps of Engineers and has thoroughly surveyed the property. This project is on hold because it represents potential mitigation for unfunded portions of the SR520 bridge replacement project. Parks will hold additional public meetings if Phase IV moves forward.
The implementation of the 2004 master plan for Magnuson Parks’ wetlands and playfields focuses on pushing wetland development to the east, nearing the Lake Washington Shores and builds on the successfully completed Phase 2 finished in fall of 09.
This phase deliberately avoids impacting shoreline and setbacks areas, but makes the dream of connecting the wetlands directly to the lake much more feasible. The expansion focuses on the creation of a new east wetland (and an expanded promontory and linked marsh outfall pond).
The primary scope focuses on the excavation and planting of new wetlands with emergent vegetation form water level to minus 3 feet and aquatics up to 6 feet in pond depth. The edges of the ponds are ringed with scrub shrub vegetation margins ranging from 6 feet 18 feet in width dependent upon grading. In some areas, further upland forest vegetation is planned. While completion of the trail system ring the pond is the ultimate goal of the project, completion of the trails is a secondary priority dependant on budget and bidding, with the emphasis of the phase is placed on wetland and habitat creation. Existing wetlands on or adjacent to the phase 3 project are remaining intact with the proposed design with no excavation or dewatering with the wetland limits.
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Public Meeting #1 08/24/10
Public Meeting #2 09/28/10
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Updated January 2, 2013
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