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Alcosan Wastewater Tunnel and Treatment Plant Expansion Project

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Source: CBS News

Project
Planned

A $3 billion project by the Allegheny County Sanitary Authority to clean up rivers and streams in southwestern Pennsylvania by expanding the wastewater treatment plant and constructing 18 miles of underground tunnels to capture and treat sewage before it pollutes waterways.

Status
Prospective
Sector
Waste Processing and Treatment, Water Supply and Storage, Tunnel
Location
Pittsburgh, Pennsylvania, United States of America
Updated
22 Jul 2026
Source
CBS News

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Project Information

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The project “Alcosan Wastewater Tunnel and Treatment Plant Expansion Project” is an infrastructure initiative in the Waste Processing and Treatment sector, located in Pittsburgh, Pennsylvania, United States. Taiyo aggregates data on it from CBS News.

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

A $3 billion project by the Allegheny County Sanitary Authority to clean up rivers and streams in southwestern Pennsylvania by expanding the wastewater treatment plant and constructing 18 miles of underground tunnels to capture and treat sewage before it pollutes waterways.

Original sector

Water and Wastewater

Budget

Location

Country

United States of America (USA)

State

Pennsylvania

City

Pittsburgh

Source

Source

CBS News

URL

More Details

Record type

Project

Sector

Waste Processing and Treatment, Water Supply and Storage, Tunnel

Article published date

2026-05-07

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