Draft Bay‑Delta Plan update would designate tribal cultural use watershed‑wide and codify TEK in implementation
A December 2025 revised draft of the Sacramento‑Delta update proposes designating the tribal tradition & culture beneficial use (COLL) across the Bay‑Delta watershed, incorporating tribal advisory structures and guidance to treat traditional ecological knowledge (TEK) as complementary evidence in implementation.
The full story
Robert McCarthy, Bay‑Delta tribal coordinator in the Division of Water Rights, summarized the State Water Board’s Sacramento‑Delta update and how it incorporates tribal beneficial uses. The December 2025 revised draft plan proposes designating tribal tradition & culture (COLL) throughout the Bay‑Delta watershed, includes Chapter 13 environmental analyses supporting that designation and sets out implementation measures and monitoring to reasonably protect the uses.
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