Clean Rivers Project
DC Water’s Clean Rivers Project
Everything you need to know about the Clean Rivers Project and how it affects...
your water
your neighborhood
your rivers
your life
The Clean Rivers Project is DC Water's ongoing program to reduce combined sewer overflows (CSO's) into the District's waterways - the Anacostia and Potomac Rivers and Rock Creek. The Project is a massive infrastructure program designed to capture and clean wastewater during rainfalls before it ever reaches our rivers.
Clean Rivers Projects
The DC Clean Rivers Project will reduce CSOs in an average rainfall year by 96 percent system-wide. Reductions will be 98% for the Anacostia River, 93% for the Potomac River and 90% for Rock Creek. In addition, the Project will reduce the chance of flooding in chronically impacted areas in Northeast Boundary from approximately 50 percent to 7 percent (equivalent to a 15-year storm) in any given year and reduce nitrogen discharged to the Chesapeake Bay by approximately 1 million pounds per year.
Green Infrastructure
Green Technologies for the District
Piney Branch Tunnel
Storing overflows from CSO 049
Potomac River Tunnel Project
CSO Relief for Potomac River
Keep Up to Date With the Project
What is the Clean Rivers Project ?
The Clean Rivers Project is comprised of a system of deep tunnels, sewers and diversion facilities to capture CSO's and deliver them to DC Water’s Blue Plains Advanced Wastewater Treatment Plant. The Project is also installing Green Infrastructure to assist with the reduction of CSO's to the Potomac River and Rock Creek. The Anacostia River and Potomac River tunnel systems include more than 18 miles of tunnels that are larger than the Metro tunnels and are constructed more than 100 feet below the ground.
Combined Sewer Overflows
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