Washington water and sewer utility DC Water is considering using green infrastructure to reduce the size or possibly replace two planned tunnels that would be constructed underneath parts of the city's Georgetown neighborhood and along the Potomac River waterfront.
The decision is part of the "Clean Rivers, Green District" agreement—formalized in December 2012 between the U.S. Environmental Protection Agency and the District of Columbia—to use green infrastructure to reduce wet- weather pollution in the district.