DC Water Celebrates Commissioning of the Northeast Boundary Tunnel

October 18, 2023

DC Water CEO and General Manager David Gadis will join U.S. EPA Deputy Assistant Administrator Mae Wu, Congresswoman Eleanor Holmes Norton, and other District and Federal officials to celebrate the commissioning of the Northeast Boundary Tunnel (NEBT). The tunnel is the final component of the Anacostia River Tunnel System which will reduce combined sewer overflows to the Anacostia River by 98 percent in an average year. The NEBT will also mitigate flooding in many District neighborhoods.

The community is also invited to the celebration which will include family-friendly activities, boat tours of the Anacostia River, music, giveaways, and more.

Who:              

DC Water CEO & General Manager David Gadis

EPA Deputy Assistant Administrator Mae Wu

EPA Regional Administrator Adam Ortiz

Congresswoman Eleanor Holmes Norton

DOEE Acting Director Richard Jackson

DC Councilmember Charles Allen

DC Water Board Member Howard Gibbs

Anacostia Watershed Society President & CEO Christopher E. Williams

Uwe Brandes, Chair, DC Commission on Climate Change & Resiliency

When:            
Saturday, October 21, 2023; 10 a.m. – 1 p.m.
(Official program begins at 10:30 a.m.)

Where:
Anacostia Park Skating Pavilion, 1500 Anacostia Drive, SE, Washington, DC        

Please RSVP to john.lisle@dcwater.com.  

For more information about the project, please visit dcwater.com/NEBT or the online Press Kit.

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  • 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.
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  • 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 ...
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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.

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