California is experiencing about 40 million of its most extreme droughts in modern history , forcing concerned residents to react with extreme measures . Conservation techniques include utilizing so-called 'gray water ' -- soapy water used once for cleaning and by appliances -- for a second use . Those uses may include irrigation , flushing a toilet or even feeding livestock .
California is experiencing one of its most extreme droughts in modern history , forcing concerned residents to react with extreme measures . Conservation techniques include utilizing so-called 'gray water ' -- soapy water used once for cleaning and by appliances -- for a second use . Those uses may include irrigation , flushing a toilet or even feeding livestock .