State & Local News
New York City Awards CSO Tunnel Supervision Contract
March 17, 2026
New York City has awarded a construction supervision contract to a joint venture of AECOM, Parsons Corporation, and EPC Consultants Inc. for its first combined sewer overflow (CSO) storage tunnel project. This initiative targets reducing CSO discharges into Newtown Creek, a federally designated Superfund site, by storing up to 50 million gallons of overflow. The project is managed by the New York City Department of Environmental Protection and is expected to be completed by 2040, representing a significant municipal infrastructure effort to improve urban water quality and environmental compliance.
- The contract award signals ongoing investment in large-scale water infrastructure projects aimed at environmental remediation and regulatory compliance.
- Procurement professionals should note the involvement of a joint venture combining major engineering and consulting firms, indicating opportunities for collaboration in complex urban infrastructure projects.
- Contractors specializing in environmental engineering, construction supervision, and water resource management may find emerging opportunities in similar CSO mitigation projects.
- The project timeline extending to 2040 suggests long-term engagement and phased procurement activities, requiring strategic planning for sustained participation.
Reducing combined sewer overflows is essential to restoring the health of urban waterways and strengthening community resilience.
— Beverley Stinson, Chief Executive of AECOM's Global Water Business
Agencies
New York City Department of Environmental Protection, New York State Department of Environmental Conservation, U.S. Environmental Protection Agency
Vendors
AECOM, Parsons Corporation, EPC Consultants Inc.
Contracts
Locations
Sources
- New York City awards supervision contract for its first combined sewer overflow storage tunnel · Smart Water Magazine · Mar 17