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Bernadette Callahan

Green Infrastructure Sector Leader, Water

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For over a decade, Bernadette has focused much of her attention on urban land development, permitting, and stormwater management design. She is especially knowledgeable in the application of green stormwater infrastructure (GSI) for various types of urban and suburban settings.

Since its inception in 2011, Bernadette has led the Stantec team in our work with the City of Philadelphia Water Department’s (PWD’s) ‘Green City, Clean Waters’ program. The initiative represents the largest GSI program ever envisioned in the US, with a 25-year investment of $2.4B from PWD and the Pennsylvania Environmental Protection Agency. It outlines Philadelphia’s long-term plan for the reduction of combined sewer overflows through investments in GSI.

An associate in our Philadelphia office, Bernadette is responsible for the planning, design, and management of a variety of public and private sector projects. Prior to joining Stantec, she performed in-house stormwater consulting reviews for PWD.

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