Rapid Infiltration Basins

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The City of Philadelphia was more progressive than most older northeastern cities when addressing confined sewer overflow issues that are typical of aging and outdated underground infrastructures. Instead of the usual downgradient treatment plants, they decided to capture and infiltrate rainwater near the source, thereby mitigating flows into the already full sewers which were leaking into their streams and rivers. Such an undertaking relies not only on one big project, but on a multitude of smaller successes. Verdantas has been working with the City for over a decade, initially in reviewing private sector plans for upgrading detention and infiltration opportunities, to working with the City for the identification and design of City projects for the same purpose.

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