Department of Environmental Protection Completes Green Infrastructure Project in the Bronx

The Neighborhood-Scale Demonstration Project Will Beautify the Neighborhood and Provide Valuable Data about How Green Infrastructure Can Help Reduce Combined Sewer Overflows

Approximately 7,750 people living within the Demonstration Area will benefit from a larger tree canopy as well as improved street drainage during rainstorms.

(NEW YORK, NY – May 24, 2013) – New York City Department of Environmental Protection (DEP) Commissioner Carter Strickland today announced that the recently completed installation of green infrastructure in the Edenwald section of the Bronx will prevent nearly 2 million gallons of stormwater from reaching the combined sewer system each year and thereby improve the health and cleanliness of the Hutchinson River and New York Harbor. As part of the $300,000 project, DEP worked with the Department of Parks and Recreation to build 22 bioswales, curbside gardens that are specially designed to collect and absorb stormwater, along Schiefflin Avenue between East 226th Drive and East 229th Street. The cluster was installed in a defined area that drains to a single sewer pipe in which flow meters were installed to measure the amount of stormwater before construction, and after green infrastructure began to manage stormwater runoff from impervious surfaces such as roadways, sidewalks, and rooftops. Pre-construction data was collected for 14 months and post-construction data will be collected for one year.

“In order to improve the health of local waterways we have to better manage the stormwater that falls on city streets, sidewalks, parking lots, and rooftops” said Commissioner Strickland. “This green infrastructure installation will collect and absorb stormwater, which will improve the cleanliness of the Hutchinson River, while also greening the neighborhood, providing shade in the summer months, and cleaning the air. The important data we collect will quantify the reduction in pollution and will support our water quality planning efforts.”

The Neighborhood Demonstration Area is the second of three to be completed pursuant to a March 2012 Modified Consent Order with The New York State Department of Environmental Conservation (DEC), which formalized the City’s inclusion of green infrastructure as an important component of its plan to reduce combined sewer overflows (CSOs) into local waterways and improve the ecological health and cleanliness of New York City harbor water. A similar green infrastructure installation in the Jamaica Bay tributary area was completed in December 2012 and a Newtown Creek cluster will be finished in the coming weeks.

To read more, visit the DEP website.

Since our founding in 1951, Hazen and Sawyer has focused on two things: providing safe drinking water and controlling water pollution. Our range of services encompasses the planning, design, and construction management of water and wastewater-related projects – from clean water treatment, storage, and distribution to wastewater and stormwater collection, treatment, and reuse.

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