Bio-Filtration Facility

  • Location - Northwest corner of Spring Street and Lincoln Avenue in the METRA commuter parking lot
  • Purpose - The purpose of the bio-filtration facility is to clean stormwater runoff from the parking lot before the runoff flows to the Fox River. Retrofit of an existing detention basin to provide bio-filtration using native plants and a sand filter to clean the stormwater.
  • BMP Size - The BMP area is 3,100 square feet (0.07 acres)
  • BMP Design - Fully treats the first 3/4 inch of runoff from 4.5 acres of commuter parking lot
  • BMP Benefit - Decreases the peak discharge rate by 25%. Removes 5,612 pounds of total suspended solids and 1,342 pounds of chemical oxygen demand per year.
  • Status - Completed Spring 2010
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