EMERGENCY WATER OUTAGE
Oct 23, 2025 | 03:00 PM

EMERGENCY WATER OUTAGE
Oct 23, 2025 | 01:30 PM

EMERGENCY WATER OUTAGE
Oct 23, 2025 | 09:30 AM

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

The TBM named Emily at the Herrenknecht factory in Germany

Final TBM prepares for shipment from Germany to DC, marking a major milestone in the Clean Rivers Program

Map of construction area on Clara Barton Parkway near I495

DC Water will be doing construction as part of a sanitary sewer rehabilitation project on Clara Barton Parkway in Maryland from Sept 8 - Oct 10, 2025, which may cause delays inbound near the I-495 Beltway interchange. One lane will be closed in the work zone to reline an 800-foot section of the sewer line, known as the Potomac Inteceptor. Access to the inner and outer loops of the Beltway will remain available. Additional lane closure may be necessary intermittently through Oct 31, 2025.

Graphic showing LFDC work on a block, date and time of the virtual meeting

There’s more than one way to replace your lead service line. Join DC Water’s Lead Free DC (LFDC) team and explore the options available to you during our virtual meeting on Wednesday, October 22, from ...

Upcoming Meeting

Board of Directors Meeting

April 24, 2023

Monday 9:00 AM

Announcement

The TBM named Emily at the Herrenknecht factory in Germany
Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Final TBM prepares for shipment from Germany to DC, marking a major milestone in the Clean Rivers Program

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
October 28, 2025
Tuesday, 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.