Why aren’t the hillsides included? Aren’t they important too?

The Sustainable Groundwater Management Act (SGMA) requires that Groundwater Sustainability Plans (GSPs) or Alternatives to a GSP be developed for medium and high priority groundwater basins as delineated and ranked by the State Department of Water Resources (DWR). The hillsides do not fall within the Napa Valley Subbasin that the Basin Analysis Report addresses. Because the hillsides do not act as a basin, but instead as thousands of discrete subareas based on local geography, it is not scientifically or economically practical to “study the hillsides”. However, the hillsides are included in the Napa Valley Subbasin water budget by incorporating uplands runoff and subsurface inflow.

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1. What is Sustainable Groundwater Management?
2. What are undesirable results in the context of SGMA?
3. What Groundwater Basins are located in Napa County?
4. Why is the Napa Valley Subbasin subject to Sustainable Groundwater Management Act?
5. Why aren’t the hillsides included? Aren’t they important too?
6. What about the MST and Carneros, why aren’t they included? How will we know what’s going on in those areas/subbasins that are already having problems?
7. Return to the Groundwater FAQ page