DC Water will replace a defective valve on a 30-inch water main on the outbound side of the Key Bridge tonight. The work will ...

These buildings that you see along the Potomac are more than just buildings-they are odor control facilities. These facilities draw odorous air from the Potomac Interceptor, pass the air through a ...

DC Water allows residents, businesses, and government agencies to discharge stormwater, groundwater, and surface water runoff from construction/dewatering projects or ...

All industrial and commercial businesses and government agencies discharging process wastewater from an industrial process (e.g., non-domestic wastewater containing pollutants or chemicals used in ...

Dr. Matthew Ries serves DC Water as Vice President, Strategy and Performance. Dr. Ries is leading the utility’s program to advance strategic management and sustainability within DC Water’s operations.

Expanded testing by DC Water found that the Potomac River is healthy and that there is no evidence of lasting harm to the river from January’s collapse of the Potomac Interceptor sewer line. “We know ...

The final amended SAF regulations were approved for publication in the District of Columbia Register (D.C. Register or DCR) on July 17, 2026 at 73 DCR 010191, effective October 1, 2026. For a project ...

Home FALL, 2026 CSO UPDATE FALL, 2026 CSO UPDATE ...

DC Water Welcomes the Community Underground to See the Potomac River Tunnel and Christens Tunnel Boring Machine Emily DC Water celebrated the christening of Emily today. It’s the second giant tunnel ...

DC Water Welcomes the Community Underground to See the Potomac River Tunnel and Christens Tunnel Boring Machine Emily DC Water celebrated the christening of Emily today. It’s the second giant tunnel ...

DC Water Welcomes the Community Underground to See the Potomac River Tunnel and Christens Tunnel Boring Machine Emily DC Water celebrated the christening of Emily today. It’s the second giant tunnel ...