11. Stormwater Management

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The recommended stormwater management plan includes the following:

  • Two infiltration ponds within the loop ramps to help reduce the runoff volume and provide water quality treatment;
  • Enhanced flat bottom grassed swales along the east and west side ditches of Highway 6 / Hanlon Expressway to help reduce flow velocities and promote sedimentation;
  • New non-structural culverts to accommodate the Midblock Interchange and associated roadway improvements; and
  • Improvements to the existing ditching including flat bottom ditches where land is available to help provide water treatment of runoff.
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