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Siskiwit Bay and Dock photo

Siskiwit Dock Project

Isle Royale National Park » Siskiwit Dock Project » Document List

Through this Environmental Assessment (EA), the National Park Service (NPS) is evaluating the proposed removal of Siskiwit Bay dock and breakwater at Isle Royale National Park as articulated in the park's General Management Plan (GMP).

This EA outlines a "no action" and two alternative action proposals:
• The No Action Alternative would not make any changes to the current dock or breakwater.
• Alternative A would remove the existing Siskiwit dock and breakwater.
• Alternative B would rebuild the dock with an open-piling design and remove the breakwater.

The Park has identified Alternative A (Dock Removal) as the preferred alternative. The preferred alternative would restore the natural topography of 400 feet of shoreline and sedimentation conditions in the area. Removal of the dock, breakwater and accreted material would restore roughly an area of 39,000 ft2 back to open lake. Short term degradation of water quality from increased turbidity would occur due to construction activities. During construction activities individual fish may avoid the area and some benthic organisms would be displaced. There is no expected impact on special concern species. Dock removal would create a short-term impact on visitors from construction activities, but work would be limited to between 8am and 6pm. Loss of approximately 100' feet of dock space would be offset by new dock space at Wright Island, Hay Bay, and Windigo. Additionally, two mooring buoys will be placed in the bay to allow for use of area trails by boaters. Loss of overnight docking and campground access would be offset by the opening of Wright Island dock to overnight camping and the addition of campsites at Wright Island.

Please enter comments through the PEPC website. The review period closes on May 22nd, 2016.

Contact Information
Jeff Henquinet, Environmental Protection Specialist