NPS Approves Potomac River Tunnel


The National Park Service (NPS) has approved DC Water’s proposal to move forward with construction of The Potomac River Tunnel.

The proposed project, primarily on NPS land in northwest DC, will improve water quality and reduce combined sewer overflows to the Potomac River.

The Potomac River Tunnel is part of DC Water’s Clean Rivers Project. For more information about the project, contact DC Clean Rivers Project Public Outreach at 202-787-4142 or email