Drier Ground

Venice Island's underground basin can temporarily store up to four million gallons of stormwater runoff. | Photos courtesy The Philadelphia Water Department

In the works for the better part of a decade, Venice Island opened in early October. The five-acre site is sandwiched between the Lock and Cotton Street bridges in Manayunk, and lies downhill of Manayunk’s stormwater flow, which resulted in storm-induced flooding and combined sewer overflows (CSOs). To address this problem, the Philadelphia Water Department and Philadelphia Parks and Recreation collaborated with the Manayunk Development Corporation to demolish the existing Venice Island Recreation Center and rebuild to include an underground basin that can temporarily store up to four million gallons of stormwater runoff and a pump house with a sloping green roof. The site’s other green infrastructure includes a rain garden, porous pavement and tree trenches.

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