Emergency Water Outage
Feb 08, 2026 | 03:00 PM

Emergency Water Outage
Feb 08, 2026 | 02:00 PM

Emergency Water Outage
Feb 08, 2026 | 01:00 PM

Dry Weather Overflow Advisory Update

November 19, 2021

As communicated yesterday, DC Water investigated a dry weather overflow event at CSO 029 on the Potomac River. This was due to a leak from an 18” sewer pipe located near 3800 Reservoir Road, NW.

Overnight, crews were able to successfully bypass the leak to contain it and prevent further discharges to the Potomac. However, work to repair the leak was suspended for safety reasons during the periods of rain, which can prove deadly when working inside combined sewer pipes. This morning, the contractor was able to complete the repair and the bypass was removed.

The Potomac River is fast moving and any amount of sewage that discharge should dilute quickly. The public is still advised to stay away from the area near Outfall 029 for the next 24 hours in case there are any residual effects on the receiving waters. Anyone on the Potomac today who may come in contact with the water near CSO 029 should take precautions by bathing and washing equipment and clothing.

Information on Dry Weather Overflows can be found here: 
https://www.dcwater.com/css

Information provided to the public yesterday can be found here:
/whats-going-on/news/dry-weather-overflow-advisory

For more information, please contact DC Water’s 24 hour Command Center at 202-612-3400.

Latest News

Trench boxes at construction site for new pit accessing Potomac Interceptor Upstream

DC Water and its contractors continue to make progress constructing new access points to the Potomac Interceptor, one upstream of the damaged section, and an additional entry downstream to divert more wastewater flow from the pipe. These access points will allow crews to install a bulkhead, blocking flow in the pipe upstream of the collapsed area, keeping the site as dry as possible so crews can safely remove an extensive rock dam currently blocking the pipe.

Photo of giant rock and boulder removed

DC Water is releasing new findings regarding the environmental impacts following the January 19, collapse in a section of the Potomac Interceptor. Based on flow monitoring data collected before and after interim bypass pumping was activated, DC Water estimates approximately 243 million gallons of wastewater has overflowed from the collapse site.

Image of rock blockage taken by CCTV inside the Potomac Interceptor downstream of the collapse

Update on Extended Repairs, Safety Measures, and Water Quality Monitoring

Overnight CCTV inspection of the Potomac Interceptor revealed the blockage inside the collapsed sewer line is far more significant, showing a large rock dam stretching approximately 30 feet downstream of the original failure.

Upcoming Meeting

Board of Directors Meeting

April 24, 2023

Monday 9:00 AM

Announcement

Picture of new bike pedestrian path and traffic detour
New Path for Capital Crescent Trail Opens at Georgetown Waterfront Park

DC CLEAN RIVERS – POTOMAC RIVER TUNNEL PROJECT
If you bike, drive, or walk through Georgetown, we’ve got changes starting this week around the Potomac River Tunnel construction on Water Street NW. The Capital Crescent Trail has a new temporary detour through Georgetown Waterfront Park, open now for cyclists between 33rd and Potomac streets NW.

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
February 19, 2026
Thursday, 9:30 AM

Upcoming Events

Customer Service Center Announcement

Payment Plan Incentive: provides a credit back of 40% of the last 3 payments made and in the new fiscal year 50% will be credited. 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.