Bernadette Callahan

For over a decade, Bernadette Callahan 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.

  • Infrastructure Week 2019: The future of green infrastructure

    Infrastructure Week 2019: The future of green infrastructure

    Stormwater management systems shouldn’t be buried under other infrastructure priorities—and green infrastructure can help build resiliency

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  • Published: Walk Before You Run - Philadelphia's Green City, Clean Waters Program

    Published: Walk Before You Run - Philadelphia's Green City, Clean Waters Program

    How Philadelphia is implementing green infrastructure initiatives to help reduce stormwater runoff for cleaner waters.

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  • Stantec Podcast: Green Infrastructure

    Stantec Podcast: Green Infrastructure

    Green infrastructure uses natural systems to perform vital functions. Our experts look at how we’re using green infrastructure in stormwater management and design.

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  • Published: Combating Combined Sewer Overflow

    Published: Combating Combined Sewer Overflow

    Faced with sewer overflow during major storm events, the City of Philadelphia's Office of Watershed is fixing the problem with green infrastucture

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  • Published: The Value of Stormwater Management in the City of Philadelphia

    Published: The Value of Stormwater Management in the City of Philadelphia

    By changing the way they billed properties' stormwater utility fees, the Philadelphia Water Department created a more equitable billing process and added incentives to reduce stormwater runoff bills

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