EMERGENCY WATER OUTAGE
Mar 25, 2026 | 10:50 AM

EMERGENCY WATER OUTAGE **EXTENDED**
Mar 24, 2026 | 07:00 PM

DC WASA to Host Meeting on Combined Sewer Overflow Control Work along the Anacostia River

May 17, 2010

The District of Columbia Water and Sewer Authority (DC WASA) is undertaking an ambitious effort to control combined sewer overflows (CSOs) to the Anacostia and Potomac Rivers and Rock Creek. In conjunction with DC WASA’s continuing public outreach commitment to inform citizens and stakeholders and solicit their comments, an Environmental Assessment document is being prepared and a public meeting has been scheduled on:

Thursday, May 27, 2010
6:00 p.m. – 8:00 p.m.
Watkins Elementary School
420 12th St., SE
Metro Accessible via: Potomac Avenue Metro (Blue/Orange) or Metrobus: 32, 34, 36, A11

You may submit your verbal or written comments on the EA at the public meeting on Thursday, May 27, 2010. If you are unable to attend the public meeting, written comments may be submitted until June 14, 2010 via email at csotunnels@dcwasa.com, mailed to Nadia Perry-Lee, 5000 Overlook Avenue SW, Washington, DC 20032 or faxed to 202-787-2297.

You may also submit your comments on line by using the link listed below.

To view the Environmental Assessment document and additional information about the project and DC WASAs work click the link below.

Latest News

Overhead Photo of Potomac Interceptor

Comprehensive Survey to Guide Rehabilitation and Address Changing Site Conditions

Starting later this week, DC Water will conduct an aerial drone assessment along the 54-mile Potomac Interceptor (PI) to evaluate current site conditions and better understand the changing landscape and development along the Potomac Interceptor alignment, including areas where there may be rocks or boulders that need further on the ground inspections.

Placeholder DC Water Image

DC Water has completed sludge removal on a section of the C & O Canal between locks 13 and 14, which was used as a bypass to divert wastewater around the collapsed section of the Potomac Interceptor and back into the pipe further downstream. Crews are now constructing an access bridge to this section of the canal to allow soil removal to begin.

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

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 the year.

Upcoming Meeting

Board of Directors Meeting

April 24, 2023

Monday 9:00 AM

Announcement

Map of lane closure
Traffic Advisory: Rock Creek and Potomac Parkway NW Lane Closure Beginning Jan 19

Beginning on or about January 19, 2026, weather permitting, DC Water will implement a temporary lane closure on Rock Creek and Potomac Parkway NW b

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

Upcoming Events

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.