Gilberts Bay / Koshkonong Natural Area Project Quick Summary of - PowerPoint PPT Presentation

Gilbert’s Bay / Koshkonong Natural Area Project Quick Summary of data for discussion with DNR January 16, 2015

Location

Wetland Areas

Big Picture objectives • Prompted by Feb 1 grant application deadline but this is a bigger picture and longer-term potential • Building on PAS process • Get the public into a unique public area adjacent to the lake • Enhance use of current DNR-owned lands • Add to value of Lake Koshkonong

Specific Objectives • Build (in phases) wave barrier lakeward of unprotected DNR-owned wetlands • Protect / Extend Koshkonong Natural Area wetlands • Test alternative methods for wetland protection • Provide potential win-win project using spoil from shoreline dredging to the south as wetland restoration base • Enhance public access to major wetland complex and the lake • Remove navigation obstructions • Start of a 5 – year cooperative plan between RKLD & DNR?

Possible project elements

1937 aerial photo

Shoreline recession analysis – 2008 -2005 – 1937 - 1836

Shoreline recession analysis – 2008 -2005 – 1937 - 1836

Steady flow video clips from Corps 206 study 2003

Corps 206 Gilbert’s Bay layout

Corps 206 preliminary breakwater analysis – many alt structure types

PAS project 2009 - 2012 • Corps, DNR, RKLD joint project under Corps “Planning Assistance to States” program • Public process- workshops, presentations, report • Wide range of projects identified with planning level costs • First project - Mud lake “Experimental Project” completed in 2013 • Several scales of project at Gilbert’s Bay / Koshkonong natural area identified.