1. Groundwater Pumping Fees Adopted Starting Fiscal Year 2026-27 The Board of Supervisors approved a resolution to implement groundwater extraction fees for users in the Napa Valley sub-basin beginning in fiscal year 2026-27, with first payments due around November-December 2026. The county will contribute at least $500,000 toward program costs annually, with the remainder divided among groundwater users. The published rates represent a ceiling that could be lowered if the county contributes more than the minimum amount. Postcard mailers will be sent to affected groundwater users in 2026, with outreach workshops planned.
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