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Delta Science Plan

The Delta Science Plan is a framework for conducting science that organizes and integrates Delta science activities and builds an open collaborative science community (One Delta, One Science).


Delta science plan documents


Per the Delta Science Program's request, the draft updated Delta Science Plan is undergoing review by the Delta Independent Science Board (Delta ISB).      


The Delta Science Plan is undergoing its 5-year review and update. Please find the draft updated document for public review below:


To access the public workshop page, please click here.


Public comments on preliminary draft updated Delta Science Plan

  • Comments from the Delta Conservancy


To access the archived materials of the previous Delta Science Plan drafts and their related documents, click the following:


Coequal goals

The Delta Stewardship Council was created in legislation to achieve the state mandated coequal goals for the Delta. "'Coequal goals' means the two goals of providing a more reliable water supply for California and protecting, restoring, and enhancing the Delta ecosystem. The coequal goals shall be achieved in a manner that protects and enhances the unique cultural, recreational, natural resource, and agricultural values of the Delta as an evolving place." (CA Water Code §85054)