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Anacostia River Tunnel

Sector: Tunnel • Location: Washington, District of Columbia, United States

Source: We Build Value

Project
Completed

The Anacostia River Tunnel in Washington, D.C., built by Webuild as part of DC Water's Clean Rivers project, is a 3.8 km tunnel excavated up to 30 meters underground. It captures stormwater and wastewater during heavy rainfall to protect the Anacostia and Potomac rivers from pollution and reduce flooding risk in the city. It features six vertical shafts and advanced hydraulic control systems.

Status
Closed
Sector
Tunnel, Water Supply and Storage
Location
Washington, District of Columbia, United States of America
Updated
22 Jul 2026
Source
We Build Value

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Project Information

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The project “Anacostia River Tunnel” is an infrastructure initiative in the Tunnel sector, located in Washington, District of Columbia, United States. Taiyo aggregates data on it from We Build Value.

Participants

Not available for this record.

Status

Original status

completed

Taiyo status

Closed

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Anacostia River Tunnel in Washington, D.C., built by Webuild as part of DC Water's Clean Rivers project, is a 3.8 km tunnel excavated up to 30 meters underground. It captures stormwater and wastewater during heavy rainfall to protect the Anacostia and Potomac rivers from pollution and reduce flooding risk in the city. It features six vertical shafts and advanced hydraulic control systems.

Original sector

Water

Location

Country

United States of America (USA)

State

District of Columbia

City

Washington

Source

Source

We Build Value

URL

More Details

Record type

Project

Sector

Tunnel, Water Supply and Storage

Article published date

2026-03-29

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