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 ...

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 ...

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 ...

Following two and a half years of construction, the First Street Tunnel Project was completed in October 2016. DC Water wishes to recognize the citizens of Bloomingdale and LeDroit Park, including the ...

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 ...

The Enhanced Nitrogen Removal Facilities (ENRF) project reduces the level of nitrogen from the cleansed wastewater that DC Water discharges to the Potomac River. Nitrogen can act as a fertilizer in ...

DC Water's Small Diameter Main Replacement program focuses on maintaining and improving the reliability of the water distribution system. For more detailed information about the Small Diameter Main ...

What are these fees for? Customers who need temporary water access from a fire hydrant must pay the following fees: • Permit Fee: A non-refundable charge for processing the application. • Security ...

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.