2017.04.29 Open House Combined - Laserfiche WebLink

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Proposed Hansen Park Project PRIMARY PROJECT COMPONENTS INCLUDE: Dredging and reconstruction of the Hansen Park pond  Increases pond’s capacity to hold water, improves water quality, and prevents flooding  Replaces pond outlet, lowering the normal water level, and helps prevent flooding  Increases the size of the pond by 2.25 acres  Removes contaminated sediment from the pond Construction of an Iron-Enhanced Sand Filter  Removes phosphorous by pumping water through an iron-enhanced sand filter and reduces algae blooms in downstream Pike Lake and Long Lake Revegetation plans to support wildlife habitat in the project area  Expandsgrowth of native aquatic plants in the pond  Incorporates native plants throughout the project site Reconstruction of park trails as needed in the project area  Reduces the frequency and duration of flooding on park trails during/after large rainstorms  Relocates the boardwalk trail east of the dam and converts it to gravel and/or woodchips Park aesthetics, access, and enjoyment are all expected to improve as a result of this project Visit www.ricecreek.org for more information or contact Kyle Axtell at kaxtell@ricecreek.org or 763-398-3070. Project funding provided by a Clean Water Fund grant from the Clean Water, Land, and Legacy Amendment and the Rice Creek Watershed District. Water Quality Benefits Downstream phosphorus load reduction: 150-200 pounds per year (reducing algae growth by 20-50 tons!) Flood Control Benefits Increased flood storage capacity within park: 35.6 acre-feet – or – 11,600,000 gallons! Reduced 10-year and 100-year flood elevations from the park downstream to Pike Lake Project Schedule Construction expected to begin in fall 2016 Heavy dredging/excavation in winter 2016-17 Planned completion by fall 2017 7th Street