Final Certification of Consistency for the Delta Conveyance Project

DWR submitted a Certification of Consistency with the Delta Plan for the Delta Conveyance Project on October 17, 2025.

According to the DSC regulations, materials relevant to this Certification will be posted on their website (https://coveredactions.deltacouncil.ca.gov), if the Certification is appealed, an appeal hearing will be held followed by the issuance of a determination on the appeal.

Transmittal Letter from DWR Director Nemeth

Final Draft Form for the Delta Conveyance Project Certification of Consistency

Final Draft Delta Conveyance Project Certification of Consistency with the Delta Plan

Attachment A: Delta Plan Recommendations WR R12a and WR R12b Crosswalk Table

RR P3 Attachment 1: Conveyance Facilities in Relation to Regulated Floodways and Streams

RR P3 Attachment 2: Initial Mitigation Sites in Relation to Regulated Floodways and Streams

RR P4 Attachment 1: Conveyance Facilities in Relation to Floodplain Protection

RR P4 Attachment 2: Initial Mitigation Sites in Relation to Floodplain Protection

WR P1 Attachment 1: Supplemental Technical Memorandum: Results of Data Compilation and Analysis for Demonstrating Contributions to Reduced Reliance on the Delta and Improved Regional Self-Reliance

WR P1 Attachment 2: Project Need and Historical Background

WR P2 Attachment 1: Public Participation and Outreach Materials for the Agreement in Principle for the State Water Project Water Supply Contract Amendment on a Delta Conveyance Project

ER PA Attachment 1: Delta Plan Appendix 3A

ER P1 Attachment 1: Delta Flow Data Tables

ER P2 Attachment 1: Delta Plan Appendix 4A

ER P2 Attachment 2: Initial Mitigation Sites Ecosystem Restoration in Relation to Elevation Bands

ER P3 Attachment 1: Conveyance Facilities in Relation to Priority Habitat Restoration Areas

ER P3 Attachment 2: Initial Mitigation Sites in Relation to Priority Habitat Restoration Areas

DP P2 Attachment 1: Existing Land Uses Conflicts Analysis

DP P2 Attachment 2: Evaluation of Operation Effects Relevant to Delta Plan Policy DP P2 on Existing Land Uses

G P1(b)(2) Attachment 1: Delta Plan and Delta Conveyance Project Mitigation Crosswalk Table

G P1(b)(3) Attachment 1: Delta Conveyance Project Best Available Science Consistency Analysis

G P1(b)(4) Attachment 1: North Delta Diversion Operations Adaptive Management and Monitoring Plan

G P1(b)(4) Attachment 2: Compensatory Mitigation Plan Adaptive Management Plan

G P1(b)(4) Attachment 3: Habitat Connectivity Adaptive Management Plan

G P1(b)(4) Attachment 4: Groundwater Monitoring Adaptive Management Plan

G P1(b)(4) Attachment 5: Sediment Monitoring, Modeling, and Reintroduction Adaptive Management Plan