Jordan River Commission

Projects

Jordan River Channel Repair Project at Winchester Street

Project Overview

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Additional Information

Using Natural Channel Design, the team set out to construct a stable channel capable of conveying watercraft at any flow, provide improved fish and bird habitat, improve the riparian community plant diversity and sustain major flood flows. To accomplish all of these goals the team chose to construct a moderately entrenched structurally controlled channel with regularly spaced scour pools. The channel had to accommodate eight vertical feet of elevation loss which was distributed through the riffle sections, shallow fast moving turbulent water. The riffles were bracketed by Cross Vane Structures with six foot deep scour pools following the vanes to slow the water after the riffles, provide refugia for fish and provide a slow moving safe exit point for boaters who capsize.

A 25 foot wide bankfull bench was also constructed to provide a floodplain for high flows, a surface for the 4500 newly planted native riparian plants to thrive and as a viewing area for nearby trail users.

Maintenance in the form of weed spray and removal and irrigation work will continue for the next year under county control then will be turned over to the capable hands of Murray City, a project partner.

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