Create an Account - Increase your productivity, customize your experience, and engage in information you care about.
Create an Account - Increase your productivity, customize your experience, and engage in information you care about.
Learn what groundwater is, where it comes from, why it is essential to people, wildlife, and ecosystems.
Learn what groundwater is, where it comes from, why it is essential to people, wildlife, and ecosystems.
Long-term, systematic monitoring programs are essential to provide data for improved evaluation of water resources, conditions, water use, storage, and effective water resource planning. The County uses a well network of public and privately owned wells to understand current conditions of groundwater and detect long-term trends.
Explore the geology and groundwater levels in your area with the Napa County Subbasin interactive map.