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City Installs Flood Defenses Across Brooklyn Streets

The Brooklyn neighborhoods of Canarsie and East Flatbush got hundreds of rain gardens and infiltration basins installed by the city to prevent future floods.
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The city finished a $42 million flood mitigation project in Canarsie and East Flatbush, installing over 900 infiltration basins like the ones pictured here.

The city finished a major flood mitigation project in East Flatbush and Canarsie, installing hundreds of rain gardens, infiltration basins and trees to prevent future floods.

In honor of Earth Day, New York City Mayor Eric Adams on Tuesday announced the completion of a $42.3 million safety project in East Flatbush and Canarsie, which includes adding 906 infiltration basins and 291 rain gardens, which will capture approximately 122.5 million gallons of stormwater annually — enough to fill 184 Olympic-sized swimming pools.

“Protecting New Yorkers from the clear and present danger to life and property that flooding poses is critical to keeping New Yorkers safe on Earth Day and every day,” said Adams.

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Locations of new flood mitigation public safety infrastructure in East Flatbush (left) and Canarsie (right). Photo: Supplied/NYC DEP

Rain gardens resemble typical curbside tree beds, but are engineered to capture and store up to 2,500 gallons of rainwater that then percolate into the ground, preventing flooding. Infiltration basins are similarly designed to store and absorb rainwater, but at sidewalk level they have a walkable surface that blends into the surrounding conditions.

As part of the project, the city also planted 223 trees across the two neighborhoods, which have historically been two of New York’s most heat-vulnerable neighborhoods. 

“Every storm is a reminder that climate change is here and hitting New York City hard,” said New York City Chief Climate Officer and New York City Department of Environmental Protection Commissioner Rohit T. Aggarwala. “This new green infrastructure in East Flatbush and Canarsie will soak up stormwater to ease flooding and reduce pollution. Green infrastructure like this can be delivered to New Yorkers quickly and with little construction disruption.”




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