The New York City Department of Environmental Protection (DEP) has prepared an environmental assessment on a project to temporarily ship thickened digested sludge from its Tallman Island Water Pollution Control Plant (WPCP) to its Hunts Point and Wards Island WPCPs for a period of up to 30 months. In addition, centrate from DEP’s Bowery Bay WPCP will be shipped to its North River WPCP for a period of up to 30 months for processing. The temporary shipment of the sludge and centrate would occur while biological nitrogen removal (BNR) facilities are being constructed at the Tallman Island and Bowery Bay WPCPs. The requirement to ship the sludge from Tallman Island to Hunts Point or Wards Island WPCPs will cease when the BNR technology is installed at Tallman Island. The requirement to ship centrate from Bowery Bay to the North River WPCP will cease upon the installation of the BNR technology at Bowery Bay.  The project is being undertaken as part of the Nitrogen Consent Judgment with the New York State Department of Environmental Conservation to reduce nitrogen discharges into the upper East River.