Philadelphia Water Department: Mayor Michael Nutter on Percy Street
Philadelphia Water Department: Percy Street After Porous Paving
Philadelphia Water Department: Percy Street Before Porous Paving
Philadelphia Water Department: Percy Street Porous Paving
Philadelphia Water Department: Heron Playground Porous Basketball Court
Philadelphia Water Department: Porous Paving on Percy Street
Philadelphia Water Department: Soak It Up, Philly!
Philadelphia Water Department: Soak It Up, Philly!
Philadelphia Water Department: Porous Surface Test Site "Ribbon Cutting" at PWD's Southwest Facility
Philadelphia Water Department: Porous Surface Test Site "Ribbon Cutting" at PWD's Southwest Facility
Philadelphia Water Department: Porous Surface Test Site "Ribbon Cutting" at PWD's Southwest Facility
Philadelphia Water Department: Porous Asphalt Parking Lot with Green Gutter and Vegetated Basin at Salvation Army_Louis_Cook_for_PWD2
Philadelphia Water Department: Porous Asphalt Parking Lot with Green Gutter and Vegetated Basin at Salvation Army_Louis_Cook_for_PWD
Philadelphia Water Department: Porous Pavement and Sidewalk at Social Security Administrative Building_Louis_Cook_for_PWD
Philadelphia Water Department: Porous Paving (Herron Playground 2)
Philadelphia Water Department: Porous Paving (SW Treatment Plant 2)
Philadelphia Water Department: Porous Paving (SW Treatment Plant 6)