But the Valley’s wine industry is pushing back.

Two reservoirs on either side of the Napa Valley represent the main drinking water supply for the city of Napa and other area residents, but their water quality is at risk from vineyards expanding into the hillsides above those lakes, says Mike Hackett, one of the main advocates for the Water, Forest and Oak Woodland Protection Initiative.
Rex Stults, government relations director for the Napa Valley Vintners, counters that additional regulations and restrictions are not needed, as the wine industry is already actively working to protect the local environment.
You can read the full text of the proposed Water, Forest and Oak Woodland Protection Initiative here.