Emergency Water Main Repair
May 02, 2025 | 08:00 PM

EMERGENCY WATER OUTAGE
May 02, 2025 | 02:30 PM

The 2004 Water Quality Report is Now Available

June 23, 2005

The Water Quality Annual Report summarizes information about the District of Columbia’s drinking water. The information is broad, covering the source water supply, contaminants detected in the source water and treated water, compliance with drinking water regulations, as well as WASA’s latest operation improvement programs. Click on the links below to view the 2004 Water Quality Report, the Supplemental Monitoring Report, and Perchlorate Monitoring Information.

Latest News

Map of area on K and 30th St where utility investigation will occur

Map: The blue arrows represent the pedestrian detour. Motorists follow the yellow arrows. The bicycle trail remains open.

DC CLEAN RIVERS – POTOMAC RIVER TUNNEL PROJECT 

Beginning on or about May 8 ...

Images showing the crack in the crown of the red brick sewer.

DC Water is preparing for emergency repairs on a large sewer line next to Rock Creek, after discovering significant structural issues. The six-foot pipeline, known as the Rock Creek Main Interceptor ...

DC Water Potomac River Tunnel Project construction site at West Potomac Park

As part of the excavation work for DC Water’s Potomac River Tunnel Project, weekly controlled underground blasting operations at the West Potomac Park construction site will begin as early as next ...

Upcoming Meeting

Board of Directors Meeting

April 24, 2023

Monday 9:00 AM

Announcement

Map of area on K and 30th St where utility investigation will occur
TRAFFIC ADVISORY: 30th and K streets Northwest: Temporary Lane and Sidewalk Closures

Map: The blue arrows represent the pedestrian detour. Motorists follow the yellow arrows.

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