State board returns Delta-Mendota subbasin to DWR after finding plan adequately revised

Apr 7, 2026

After a months‑long review, the State Water Resources Control Board voted unanimously April 7 to return the Delta‑Mendota groundwater subbasin to the Department of Water Resources, concluding the basin’s consolidated 2024 groundwater sustainability plan addresses earlier deficiencies.

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The State Water Resources Control Board voted unanimously April 7 to return the Delta‑Mendota groundwater subbasin to the Department of Water Resources (DWR), concluding the basin’s revised 2024 groundwater sustainability plan sufficiently addressed problems that led to earlier state intervention.

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