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Delta Conveyance Project

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State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

The Delta Conveyance Project, led by the California Department of Water Resources and the Delta Conveyance Design and Construction Joint Powers Authority, involves the design and construction of water conveyance facilities across Alameda, Contra Costa, Sacramento, San Joaquin, Solano, and Yolo Counties. The project is governed by the California Environmental Quality Act and the California Endangered Species Act. Following the certification of the Final Environmental Impact Report on December 21, 2023, the project underwent two subsequent addenda in February 2025 and August 2025 to evaluate engineering refinements and additional information. These refinements include modifications to intake structures, lowering the tunnel profile from Lower Roberts Island to the Bethany Reservoir Surge Basin, reducing the thickness of structural components like diaphragm walls and shaft liners, and reconfiguring the Bethany Reservoir Pumping Plant and Aqueduct pipelines. The project has been certified to cause no substantial change to the environmental impacts addressed in the original report, and no supplemental EIR is required. Key deliverables include the implementation of species-specific minimization and avoidance measures developed with the California Department of Fish and Wildlife and the application of modified bypass flow criteria. Preliminary geotechnical activities, including land-based soil borings and cone penetration tests, are scheduled to take place between 2025 and 2029. Administrative oversight is managed by program leadership including Marcus Yee and Graham Bradner.

General Info

California water conveyance project design and construction across multiple counties from 2025-2029.

Agency

California Water Resources, Department of

NAICS

541620 - Environmental Consulting Services

Place of Performance

Set-Aside

NONE

Documents

No documents available

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AI Contract Breakdown

Uniform Contract Format

Timeline

1 update

PhaseForecast

PostedAug 29

forecast

Notice updatedJul 2

The notice description changed. The point of contact changed.

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Organization & Contact Information

AgencyCalifornia Water Resources, Department of

Contacts2 people available

OfficeN/A

Organization / Agency

California Water Resources, Department of

Office AddressN/A

Contacts

Marcus YeeProgram Manager

contact@example.gov

+1 (555) 000-0000

Graham BradnerExecutive Director

contact@example.gov

+1 (555) 000-0000

Full Description

On December 21, 2023, DWR certified the environmental impact report (EIR) for, and approved, the Delta Conveyance Project (State Clearinghouse No. 2020010227). After certification of the Final EIR, DWR continued project planning, engineering, permitting, and environmental compliance activities and evaluated project refinements and additional information relating to the Project. Pursuant to Public Resources Code section 21166 and CEQA Guidelines sections 15162 and 15164, DWR prepared a First Addendum to the Final EIR evaluating project refinements and additional information developed after certification of the Final EIR. On February 13, 2025, DWR approved the First Addendum and determined that none of the conditions described in CEQA Guidelines section 15162 requiring preparation of a subsequent or supplemental EIR had occurred and that no subsequent or supplemental EIR was required. DWR subsequently prepared a Second Addendum to the Final EIR evaluating additional project refinements and information developed through continuing engineering, design, permitting, and environmental review activities. On August 29, 2025 DWR approved the Second Addendum to the Final EIR and determined that none of the conditions described in CEQA Guidelines section 15162 requiring preparation of a subsequent or supplemental EIR had occurred and that no subsequent or supplemental EIR was required DCA is a responsible agency, and as such, on June 18, 2026, it made CEQA Findings of Fact pursuant to CEQA Guidelines section 15091 and 15096 for the Delta Conveyance Project, and approved Resolution No. 26-06 which adopted findings as a responsible agency concerning the First Addendum and Second Addendum to the Final EIR. DCA also found that the Second Addendum to the Final EIR would cause no substantial change to the implementation activities and environmental impacts addressed in the Final EIR, the First and Second Addenda thereto have been addressed, and no new or additional mitigation measures or alternatives are required.