Interactive Maps

** These maps are best viewed on desktop computer, laptop, or tablet using Google Chrome, Safari, Firefox, or Microsoft Edge.

Napa County Interactive Map

Explore the geology and groundwater levels in your area with these interactive maps.

Subarea Maps

Napa Valley Groundwater & Surface Water Connections Interactive Storymap

Learn about monitoring efforts in Napa County to promote groundwater and surface water sustainability and the important connections between them.