DC Water's

News & Updates

At DC Water, we understand the importance of keeping our community informed about our services, projects, and achievements. Our news web page serves as a reliable source for the latest information on a range of topics.

Photo of someone using the tap water with the dates of the annual water line cleaning March 23 - May 4
20 March, 2026

Spring cleaning isn’t just for closets and cabinets. DC Water’s system gets a refresh too!

Starting March 23, DC Water will begin work that helps maintain more than 1,300 miles of water lines across the District. During this time, the disinfectant used in drinking water will temporarily switch from chloramine to chlorine through May 4. This switch helps support overall water quality throughout ...

Workers doing ongoing rehabilitation work
20 March, 2026

As work nears completion on the initial clean-up and temporary stabilization of the areas directly impacted by the Potomac Interceptor overflows, DC Water is beginning preparations for beautification and revegetation to restore native plants, trees, and shrubs.

Before moving to the next phase of environmental rehabilitation, DC Water is working with the Environmental Protection Agency to conduct ...

photos of workers with hoses vacuuming out canal
19 March, 2026

Work is ongoing to complete the initial phase of environmental rehabilitation and temporary stabilization this week in areas directly impacted by the overflows. A small section of the drainage channel along Clara Barton Parkway remains. Preliminary clean-up of the culvert, tributary, and Potomac River shoreline has also been completed.

photo of freshwater dam at lock 14 with water being pumped out
18 March, 2026
  • DC Water and its contractors are now working between locks 13 and 14 in the C & O Canal to vacuum out sludge and muck left behind by the bypass pumping system, that directed wastewater around the damaged Potomac Interceptor and back into the pipe further downstream.
  • The freshwater dam at Lock 14, is now complete, and water is being pumped into the canal to help flush out the sludge and debris, for ...
workers spraying and mucking sludge from canal
17 March, 2026
  • After three days of stable operations following completion of emergency repairs to restore flow to the Potomac Interceptor, the bypass pumping system is being demobilized. Crews have begun disassembling the bypass pipes and removing them from the upstream section of the interceptor, where pumps were used to divert wastewater around the collapse site and back into the interceptor further downstream ...
Community Meeting Graphic
17 March, 2026

While DC Water has completed the emergency repair of the Potomac Interceptor, we are committed to transparent communication with the community who still have questions about the work and ongoing environmental rehabilitation efforts. As part of this open dialogue, we are reminding community members of additional opportunities to engage with DC Water at two community meetings this week: tomorrow ...

Odor Control Measures near Open Trench with Pumps
16 March, 2026

Work continues on the initial clean-up of the C & O Canal which was temporarily used as a bypass during the emergency repair of the Potomac Interceptor. Additional efforts are also underway on a freshwater dam at Lock 14, which will be used to help flush the sludge and debris.

As the environmental rehabiltation efforts continue, crews also made preparations to secure fencing, equipment, and ...

Workers constructing the freshwater dam to be used for flushing the C & O Canal
15 March, 2026

With flow returned to the Potomac Interceptor work has begun on the initial phase of clean-up for the C & O Canal which had been used as a bypass to redirect wastewater around the collapse site and into the pipe further downstream.

Picture of flow back in the Potomac Interceptor
14 March, 2026

DC Water Celebrates Massive 55-Day Effort, Outlines Next Steps for Rehabilitation and Environmental Restoration

After 55 days of extraordinary effort with crews working around the clock, DC Water has successfully completed emergency repairs and returned the flow to the Potomac Interceptor to mark a major milestone.

graphic with meeting times
13 March, 2026

Second Meeting Scheduled in Bethesda; Community Forum in Alexandria Next Week

As DC Water nears completion of emergency repairs on the Potomac Interceptor sewer line, we remain committed to transparent communication and partnership with our community. Next week, two meetings are scheduled on March 18, in Bethesda, MD and March 19, in Alexandria, VA to hear from the community and provide ...

Upcoming Meeting

Board of Directors Meeting

April 24, 2023

Monday 9:00 AM

Announcement

View of Mary at bottom of shaft inside tunnel shown from above
DC Water Launches Tunnel Boring Machine Mary, Marking Important Step for Potomac River Tunnel Project

First turn of cutterhead signals the start of excavation for the Potomac River Tunnel Project

In a defining moment for one of the District’s largest infrastructure investments, DC Water has marked its next major milestone in the Potomac River Tunnel Project. The first tunnel boring machine, Mary, has launched her northbound journey breaking through the soil to signal the start of excavation.

With the first turn of Mary’s drill-like cutterhead underground, the machine pushed forward to begin tunneling, representing the transition from years of planning and preparation to active tunnel construction on the $819 million project.

Latest Blog Post
A helicopter lowers a drill rig to workers on the Potomac River.
DC Water begins drilling in Potomac River to explore options to rehab underwater sewer line
When one of your major sewer lines runs through the Potomac River, a backhoe and trencher won't do. That's why we've got helicopters carrying a 14-ton drill and workers suspended midair over the Potomac.
Upcoming Meeting
Date
April 15, 2026
Wednesday, 9:30 AM

Customer Service Center Announcement

Payment Plan Incentive: provides a credit back of 50% of the last 3 payments made. Eligible participants are residential customers who have had an outstanding balance for 60 days or greater and with an outstanding balance of $500 or more.