Parsons, AECOM, and EPC Consultants Secure New York City Combined Sewer Overflow Tunnel Contract

PSN
March 17, 2026

On March 16 2026, the joint venture Newtown Creek CSO Partners—comprising AECOM, Parsons Corporation, and EPC Consultants Inc.—was selected by the New York City Department of Environmental Protection to supervise the construction of the city’s first combined sewer overflow (CSO) storage tunnel and pump station. The 3.25‑mile tunnel will add up to 50 million gallons of wastewater storage capacity in Brooklyn and Queens, targeting the Newtown Creek Superfund site and reducing combined sewer overflows into the creek. The contract represents a new customer win for Parsons as part of the JV, underscoring the company’s growing footprint in large‑scale U.S. infrastructure projects. The contract value was not disclosed, and Parsons’ specific responsibilities within the joint venture were not detailed in the announcement. Construction is expected to begin in late 2029, with pump‑station work slated for mid‑2032 and project completion projected for 2040. The project is part of the NYCDEP’s long‑term plan to modernize wastewater infrastructure and comply with environmental regulations, including a 2005 agreement with the New York State Department of Environmental Conservation. The JV’s selection highlights the importance of tunneling expertise in urban infrastructure and positions Parsons to leverage its experience in complex underground projects. The contract win signals a strategic expansion for Parsons, aligning with its focus on large‑scale infrastructure and reinforcing its role in delivering critical public‑works solutions.

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