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Delta Tunnel Conveyance Project

Sector: Water Supply and Storage • Location: California, United States

Source: Contra Costa News

Project
Proposed

The proposed Delta Tunnel Conveyance Project is one of the largest and most expensive infrastructure projects in California history. The project has faced legal challenges regarding its financing, with courts rejecting the State Department of Water Resources' attempt to finance the project through bonds without clear legal authority. The California Supreme Court denied review of the appellate cour

Status
Prospective
Sector
Water Supply and Storage, Tunnel
Location
California, United States of America
Updated
22 Jul 2026
Source
Contra Costa News

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Project Information

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The project “Delta Tunnel Conveyance Project” is an infrastructure initiative in the Water Supply and Storage sector, located in California, United States. Taiyo aggregates data on it from Contra Costa News.

Participants

Not available for this record.

Status

Original status

proposed

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The proposed Delta Tunnel Conveyance Project is one of the largest and most expensive infrastructure projects in California history. The project has faced legal challenges regarding its financing, with courts rejecting the State Department of Water Resources' attempt to finance the project through bonds without clear legal authority. The California Supreme Court denied review of the appellate court decision, making the ruling final and blocking illegal financing for the project.

Original sector

Water Infrastructure

Location

Country

United States of America (USA)

State

California

Source

Source

Contra Costa News

URL

More Details

Record type

Project

Sector

Water Supply and Storage, Tunnel

Article published date

2026-04-26

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