What is the latest status of the project “Potomac River Tunnel”?

The status recorded for “Potomac River Tunnel” is Planned.

What is the budget and commercial profile for the project “Potomac River Tunnel”?

Taiyo normalizes the budget of “Potomac River Tunnel” to USD 819000000.

Where can I verify the source and access all details for “Potomac River Tunnel”?

This Taiyo project page references Tunnel Business Magazine along with the original URL (https://tunnelingonline.com/tunnel-updates-february-2024/). Taiyo standardizes official data into a consistent, searchable project profile.

Potomac River Tunnel

Sector: Water Supply and Storage • Location: Washington, District of Columbia, United States

Source: Tunnel Business Magazine

Project

Planned

The Potomac River Tunnel is a $819 million project aimed at controlling combined sewer overflows to improve water quality. The project is expected to begin construction in 2024 and complete in early 2030.

Status: Prospective
Sector: Water Supply and Storage, Tunnel, Waste Processing and Treatment
Location: Washington, District of Columbia, United States of America
Updated: 22 Jul 2026
Source: Tunnel Business Magazine

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Project Information

4 Q

The project “Potomac River Tunnel” is an infrastructure initiative in the Water Supply and Storage sector, located in Washington, District of Columbia, United States. Taiyo aggregates data on it from Tunnel Business Magazine.

Participants

Not available for this record.

Status

Original status	Planned
Taiyo status	Prospective
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	The Potomac River Tunnel is a $819 million project aimed at controlling combined sewer overflows to improve water quality. The project is expected to begin construction in 2024 and complete in early 2030.
Original sector	Water Management
Budget

Location

Country	United States of America (USA)
State	District of Columbia
City	Washington

Source

Source	Tunnel Business Magazine
URL

More Details

Record type	Project
Sector	Water Supply and Storage, Tunnel, Waste Processing and Treatment
Article published date	2025-03-20

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