Construction Update | September 13, 2024

Woods Creek Restoration Project

 

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The past two weeks have been full of activity at the Woods Creek Restoration Project site. The tree contractor has wrapped up the majority of their work and the earthwork along the creek has begun. Crews started at the upstream end of the project site and will spend the next 4-6 weeks restoring the creek channel. Within the next few construction updates, we will provide details on the different treatment methods being utilized for this project. Some of the stream restoration jargon contained within the construction updates will be explained in more detail within future updates

Work Completed in the Last Few Weeks:

 

  1. Creek bypass pump and hose set up to pump around first 650’ of Woods Creek.

 

  1. Bank reshaping earthwork has begun. See details below for more information on bank reshaping.

 

  1. Stone toe armoring has been installed within the first 100’ of the creek. This rock will prevent future erosion.

 

  1. First three stone riffles have been installed in the creek channel. Riffles provide fish and macroinvertebrate habitat, oxygenate the water, and help prevent creek bed erosion.

Bypass pump setup showing the upstream sump installed in the creek and the large orange water pump in the background

Next Steps for the Woods Creek Restoration Project:

 

  1. Earthwork and stone installation along the creek will continue.

 

  1. Storm water outlet protection and detention pond maintenance will start around the pond on the South-west side of the project.

 

  1. Seed installation and erosion control blanket installation will be completed on areas where construction has finished. 

Bank reshaping work in progress along Woods Creek

Stream Treatment Information

Bank reshaping is a construction method whereby an eroded bank is pulled back to a 3:1 or 4:1 slope, often recreating a floodplain bench in the process. After grading, the soil is seeded with vegetation to stabilize the soil and prevent further erosion. Bank reshaping modifies the steep and eroded streambanks to a more gentle slope, allowing space for vegetation to establish.

 

The floodplain bench is an area designed into the channel construction that allows water to spread out and to slow down during times of high flow (after large rain events or spring snow melt). Slowing the movement of water during storm events results in better water quality and lower amounts of erosion.

Questions or Concerns?

Brad Andresen | Village Ecologist/Horticulturist

BradleyAndresen@algonquin.org

 

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