This is a good article on subsidence (caused by collapsing aquifers) and saltwater intrusion: http://www.desertsun.com/story/news/environment/2013/12/21/calls-

This is a good article on subsidence (caused by collapsing aquifers) and saltwater intrusion: http://www.desertsun.com/story/news/environment/2013/12/21/calls-grow-for-more-oversight-of-californias-groundwater/4161653/ http://www.desertsun.com/story/news/environment/2013/12/21/c... And here's an article with the timeline for the law's implementation: http://news.nationalgeographic.com/news/2014/09/140917-california-groundwater-law-drought-central-valley-environment-science/ http://news.nationalgeographic.com/news/2014/09/140917-calif...