The Santa Cruz, Calif., property has been working on the proposal for 30 years, and will build a 500,000-gallon storage tank with pumping and filtration station that is scheduled to be complete by May 2017. In San Luis Obispo, Calif., Dairy Creek Golf Course is in danger of closing, due partly to the decreased inmate population at California Men’s Colony treatment plant, which provides the golf facility with recycled water.