Tips for Preventing Cross Connections

Tips for Protecting Your Home or Business from Cross-connections

  • Learn how to eliminate or control cross-connections with backflow preventers.
  • Do not submerge hoses or place hoses where they could become submerged, such as sinks, tubs, or pools.
  • Install hose bib vacuum breakers on hose spigots.
  • Have your plumbing system surveyed for cross-connections by a certified backflow preventer inspector.
  • Ensure the correct backflow preventer is installed on your irrigation system.
  • Have your backflow prevention assembly(s) inspected annually by a certified backflow preventer inspector. For additional information on backflow preventers and air gaps, please refer to the Backflow Preventers link below in Customer Resources.
  • Immediately replace or repair any backflow prevention assembly that fails inspection.
  • Submit annual inspection reports to the DC Water Compliance Program.

Upcoming Meeting

Board of Directors Meeting

April 24, 2023

Monday 9:00 AM

Announcement

Rock Creek Trail Site for Potomac River Tunnel Project
Ground Stabilization Work Begins Near Watergate Complex, starting Aug 25

Starting the week of August 25, DC Water will take another big step forward in the Potomac River Tunnel Project. Ground stabilization will begin at the Rock Creek Trail site, near the Watergate Complex, to drill secant piles that will form a retaining wall for the drop shaft.

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
September 2, 2025
Tuesday, 10:00 AM

Upcoming Events

Sep 3
7:00 pm - 8:00 pm
Sep 6
Sep 12
6:00 pm - 10:00 pm

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.