Groundwater Resources Advisory Committee

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Groundwater in Napa County

Groundwater, held in aquifers beneath Napa Valley, is a vital water supply source for residential, commercial and agricultural users in Napa County. Watch this page for "all things groundwater." 

Board of Supervisors Appoint a Groundwater Resources Advisory Committee (GRAC)

Sept. 20, 2011: Board of Supervisors appointed a 15-member Groundwater Resources Advisory Committee (GRAC).

The GRAC assists County staff and technical consultants with recommendations regarding groundwater, including data collection, monitoring, well pump test protocols, management objectives, and community support.  Click the link GRAC to get full details.