Department of Environmental Protection

Green Design, Policy

Bioswale, NYC Department of Environmental Protection, NYC green infrastructure

While you may have never heard of the term “bioswale,” you have probably seen these curbside gardens throughout the city. A bioswale, or rain garden, is a pit dug into the sidewalk that’s been filled with rocky soil and shrubbery. These gardens absorb polluted stormwater and prevent runoff that could seep into waterways through the sewer system. Despite being an effective solution to water pollution, the New York Times reports that some city residents are crying out against find bioswales, calling them unattractive, messy, and hotbeds for trash and pests.

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Green Design, Urban Design

2,000 More Bioswales Will Help NYC Absorb Stormwater

By Dana Schulz, Tue, November 11, 2014

Bioswale, NYC Department of Environmental Protection, NYC green infrastructure

What’s a bioswale? (We know that’s what you’re saying to yourself.) It’s a curbside garden built to absorb stormwater. The city currently has about 255 of them, but will be installing an additional 2,000 throughout Brooklyn, Queens, and the Bronx to prepare for the possibility of more intense storms in the future. Not only will the bioswales absorb an estimated 200 million gallons of stormwater each year, but they’ll therefore mitigate pollution in the Bronx River, Flushing Bay, Gowanus Canal, Jamaica Bay and Newtown Creek.

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