The Bay-Delta Plan and Voluntary Agreements: Ensuring Effective Legislative Oversight

Mar 18, 2026 - SWRCB officially began the most recent update to the Bay ‑Delta Plan in early 2009. It divided the effort into two phases based on geography, noting that each of the two major river systems is fed by snowmelt from different geographic regions, receives differing levels of precipitation, has distinct topographies, and supports different at ‑risk fish and wildlife species.
https://lao.ca.gov/Publications/Report/5163