Turtle River Watershed Conservation     District  #2                Incorporated 1975

 
                                Managing Natural Resources for Future Generations

 

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GRADIENT CONTROL STRUCTURES / EROSION CONTROL STRUCTURES

 

Erosion Control Structures

  • The TRWCD has identified 13 critical escarpmental creeks within the watershed that are experiencing increased erosion over time and require remedial measures to stabilize the banks and streambeds.
  • Active erosion frequently occurs higher up on the escarpment due to the steepness of the slope. To isolate these areas of shale infestation/deposition the structures are constructed at higher elevations where the most benefits are realized
  • Construction of these structures significantly reduces downstream sedimentation/siltation by slowing the water and allowing shale deposition to take place. Thereby alleviating stream bank and streambed erosion.
  • Additional benefits include improved water quality, ground water recharge, improved fisheries and wildlife habitat as well as agricultural and recreational enhancement
  • Depending on the location and size of the structures, materials utilized range from sheet metal poling for larger structures, geotextile and fieldstone for the smaller ones
  • over 90 have been constructed to date with the majority being co-operatively funded with various external funding agencies.
  • Photo of erosion
  • Photo of shale trap  

 

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Copyright © 2005 Turtle River Watershed Conservation District #2
Last modified: 05/16/06