Eastbound Florida Avenue Lane Closure On or About May 23rd

May 19, 2014

(Washington, DC) – DC Water is performing construction activities on Florida Avenue, NW as part of the Clean Rivers Project.

Beginning Friday, May 23, 2014 through Tuesday, May 27, 2014, weather permitting, crews will be drilling two site borings on Florida Avenue between Rhode Island Avenue and 3rd Street as part of ongoing field investigations preceding construction on the Northeast Boundary Tunnel. There will be closure of one eastbound travel lane on Florida Avenue during work hours, which will temporarily reduce eastbound travel to one lane. Work hours will be from 8:00 a.m. until 5:00 p.m., Monday through Friday.

Important Information:
* There will be no work performed on weekends or public holidays.
* Delays within the vicinity of the project area are anticipated.

Temporary traffic signs have been set up throughout the area to alert motorists to the upcoming lane shift. To keep everyone safe, motorists should stay alert and obey the posted speed limits when traveling through this area.

Project Details
DC Water is implementing the DC Clean Rivers Project for the District’s combined sewer system which comprises a system of tunnels and diversion sewers for the capture of combined sewer overflows (CSOs) to Rock Creek and the Anacostia and Potomac rivers for treatment at DC Water’s Blue Plains Advanced Wastewater Treatment Plant. The entire project will reduce CSOs annually by 96 percent throughout the system and by 98 percent for the Anacostia River alone.

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About DC Water
The District of Columbia Water and Sewer Authority (DC Water), is an industry leading multi-jurisdictional regional utility that provides drinking water, wastewater collection and treatment to 600,000 residential, commercial and governmental customers in the District of Columbia, 17.8 million annual visitors and also collects and treats wastewater for 1.6 million customers in Montgomery and Prince Georges counties in Maryland and Fairfax and Loudoun counties in Virginia.

DC Water’s service area covers approximately 725 square miles and the company operates the world’s largest advanced wastewater treatment plant with a capacity of 370 million gallons per day and a peak capacity of 1.076 billion gallons per day.

Please visit dcwater.com/cleanrivers for more information on the Clean Rivers Project.

Latest News

photo of worker going into downstream cleaning pit
  • Work is progressing to meet the mid-March target to return the flow to the Potomac Interceptor, as we reach 31 days with no overflows reaching the Potomac River.
  • The geopolymer applied to the upstream ...
Workers putting down rye and matting for soil stabilization
  • More than one month after the last overflow into the Potomac River, DC Water is preparing to return flow in the coming days to the Potomac Interceptor and meet the mid-March target to complete the ...
Tree and debris removal for environmental rehabilitation

Work is nearly complete on the downstream section of the Potomac Interceptor to reinforce the pipeline with geopolymer. The concrete-like material will strengthen and restore the structural integrity of the pipe. Completion of the geopolymer lining downstream is one of the final steps to restore flow to the interceptor and finish the emergency repair.

This comes one month since the last overflow reached the Potomac River.

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
Date
March 11, 2026
Wednesday, 9:30 AM

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.