State Water Board adopts statewide on-site nonpotable reuse regulations to implement SB 966

Nov 26, 2025

The board adopted risk‑based on‑site nonpotable reuse regulations under SB 966, instructing local jurisdictions to adopt corresponding local ordinances; staff said the rules are focused on building‑scale systems and excluded rainwater/graywater systems covered by building standards.

The full story

The State Water Resources Control Board on Nov. 19 voted to adopt statewide regulations for on‑site treatment and reuse of nonpotable water required by Senate Bill 966.

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