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The following certification of consistency with the Delta Plan for a covered action has been submitted to the Delta Stewardship Council.

Certification Number: C20258

Covered Action Title: Twitchell Island Levee Improvement Project - San Joaquin River Reach

Certifying Agency: Reclamation District 1601

Certification Date: 12/18/2025

The certification of consistency and associated documents are available for public viewing on the Council's online portal, alongside information on the Delta Reform Act and the Delta Plan covered actions process.

As a reminder, the Delta Independent Science Board is seeking input from the public on its draft review, “Science to Inform Management of Subsided Lands in the Sacramento-San Joaquin Delta.” This report summarizes key findings and recommendations developed by the Delta ISB on the science needed for improving the management of subsided lands in the Delta. The findings and recommendations are based on reflections from a workshop hosted in October 2023, interviews with subject matter experts, and a limited review of relevant literature. The review is intended to serve a diverse audience that includes Delta managers, researchers, legislators, decision-makers from local, state, and federal agencies, and other interested parties.

Learn about the Delta Stewardship Council’s work this year toward a reliable California water supply and resilient Sacramento-San Joaquin Delta ecosystem! The report, centered on the theme of “Adapting Together,” is presented in an interactive storymap format. Through an in-depth narrative with visuals from across the region, visitors will learn how progress in the Delta tested the strength of our partnerships, calling on agencies, scientists, tribes, academia, and communities to work together in new ways.