Not every site presents opportunities for Porous Asphalt or Porous Concrete, but infiltration BMPs can be installed in other areas in the landscape. By placing the stone storage infiltration bed used for porous pavement under a soil or vegetated cover, the natural hydrologic cycle can be sustained - stormwater can be infiltrated into the aquifer - and the area can still be used for recreation or open space.
For example, large athletic fields and play areas present ideal opportunities for stormwater storage/infiltration and additionally, the stormwater can be re-used for irrigation needs. A school playfield underlain by a stone storage bed serves as a primary stormwater management feature at the Penn-Alexander Partnership School in Philadelphia. Roof leaders convey building runoff directly to the bed under the playfield.
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