Silicon Valley drinking water crisis is a result of drought, climate
The combination of droughts and floods has given rise to a process known as saltwater intrusion — what San Jose Mayor Sam Liccardo refers to as his city’s greatest climate threat. … In coastal regions like San Jose, overpumping allows seawater to seep into the city’s aquifers, exposing local residents to excess sodium in their drinking water. The problem is compounded by sea level rise, which pushes seawater inland toward the city’s filtration system.