Upper Wissahickon Detention Basin Stormwater Retrofit

Client: The Pennsylvania Environmental Council
Location: Philadelphia, PA

Meliora Design and Viridian Landscape Studio developed concept designs and construction documents to retrofit several detention basins in the Upper Wissahickon Watershed. The designs support the Philadelphia Water Department's Source Water Protection Program and focused on stormwater volume reduction and water quality improvement through the restoration and enhancement of basin soils and vegetation. The project was funded by the Philadelphia Water Department, with construction complete in 2009. Stormwater volume reduction and water quality improvements were achieved through retentive grading to lengthen the flow path, create absorbent soils and increase vegetation and habitat.

  • 259 morgan Street, Phoenixville, PA 19460
  • P: 610.933.0123
  • F: 610.933.0188