From Water Deeply:
“California’s premier wine-growing region has been identified for more regulation under the state’s new groundwater law, likely resulting in new fees and limits on water extraction for the industry.
The state Department of Water Resources declared in May that 14 groundwater basins across the state face threats to groundwater, and thus should be reprioritized under the Sustainable Groundwater Management Act (SGMA). Four of these are in Napa and Sonoma county wine-growing valleys.
The aquifers in question are the Sonoma Lowlands subbasin in Napa and Solano counties, the Alexander Valley basin and Healdsburg area subbasin in Sonoma County and the Wilson Grove Highlands basin in Sonoma and Marin Counties. Each is a vital source of irrigation water for grape growing. … “
Read more from Water Deeply here: New Groundwater Woes, and Regulations, in California Wine Country