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DC Water

Factory Testing Complete on DC Water’s First TBM for the Potomac River Tunnel
TBM Staff
May 1, 2025
Read Article
News
DC Water Gets OK to Build Piney Branch Tunnel Project
March 11, 2025
News Potomac River tunnel map
DC Water Awards $819 Million Potomac River Tunnel Contract
October 9, 2023
News
DC Water Commissions Northeast Boundary Tunnel
September 19, 2023
News
Ulliman Schutte, Brown and Caldwell Team to Rehab Section of Potomac Interceptor
August 27, 2020
News
Salini Impregilo Reaches Milestone on Northeast Boundary Tunnel

Salini Impregilo and its U.S. subsidiary Lane Construction have reached a milestone on the Northeast Boundary Tunnel (NE...

April 16, 2020
News
National Park Service Approves DC Water’s Potomac River Tunnel

The National Park Service (NPS) has completed an Environmental Assessment (EA) and approved DC Water’s proposal to...

April 16, 2020
Featured Stories Hobas supplied 120-inch, 1765-ton jacking pipe
First Section of Anacostia River Tunnel Opens, Fulfills Promise of...

Although the rivers and creeks that meander through Washington, D.C., are often noted for their historical significance,...

August 16, 2019
News
First Section of Anacostia River Tunnel Opens in DC

Although the rivers and creeks that meander through Washington, D.C., are often noted for their historical significance,...

June 10, 2019
News
TREVIICOS Takes on Ground Engineering for NEBT in Washington, DC

TREVIICOS is progressing its work for the construction of the Northeast Boundary Tunnel (NEBT) in Washington, D.C. The N...

April 12, 2019
Featured Stories nannie
Assisting the Anacostia River Tunnel

MAPEI Underground Technology Team Aids in Project Completion The Anacostia River Tunnel project (ART) is the second in a...

December 20, 2018
News
DC Water Christens Northeast Boundary Tunnel TBM

On June 28, the District of Columbia Water and Sewer Authority (DC Water) named and blessed the tunnel boring machine th...

July 10, 2018
News Anacostia River Tunnel Segment
DC Water Opens First Leg of Massive Tunnel System

A commissioning ceremony took place March 28 for The District of Columbia Water and Sewer Authority’s (DC Water) 7...

March 29, 2018
News Chris Allen
In Memoriam: Christopher O. Allen

Chris Allen (1946-2017), Assistant Director for DC Water’s Clean Rivers Project, passed away on Nov. 24. Allen had 47...

December 5, 2017
News
NTP for DC Water’s Northeast Boundary Tunnel

After a successful multi-month process, Brierley Associates and its client, Salini Impregilo/S.A.Healy JV, were issued N...

October 13, 2017
Cover Stories aerial view of the blue plains tunnel project
Tunnel Achievement Award – Blue Plains Tunnel

Sewer utilities are not often among those who shake the foundation of conventional thinking. DC Water, however, took a n...

August 2, 2017
News
Salini Impregilo, S.A. Healy Win $580M Northeast Boundary Tunnel

The Lane Construction Corporation and its parent Salini Impregilo have won a $580-million contract for the Northeast Bou...

July 10, 2017
Featured Stories Grout Pipe Installation
In Underground Construction, the Sum of the Parts Is Greater...

For every underground construction megaproject, there are many small but critical components that allow the overall proj...

April 19, 2017
News
Boring Complete on Anacostia River Tunnel

The Lane Construction Corp., a U.S. subsidiary of the Salini Impregilo Group, together with its own subsidiary S.A. Heal...

November 8, 2016
News blue-plains-tunnel
Blue Plains Tunnel Receives DRBF Award

The Blue Plains Tunnel (BPT) team was recently awarded the Excellence in Dispute Avoidance & Resolution Award for projec...

September 2, 2016
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