
Filtering membranes in an Orange County, Calif., water purification facility. The plant opened in 2008 during the state’s last drought. Credit Stuart Palley for The New York Times
As the California drought continues public and private sector organizations look to solutions to comply with the State’s mandatory water reduction measures. In addition to desalination plants coming back on line and rainwater harvesting, communities are looking at ways to overcome the “yuck factor” of water recycling.
Less “extreme” versions have been in place for some time, as household wastewater goes through layers of treatment processes that break it down to its prime components of “H, 2 and O”. The results have been used for irrigation for years, but it’s possible to purify the water to sparklingly clear levels.
Used already in craft beer brewing, extreme purified water is one of the array of ideas being implemented to manage California’s ever-growing problems. Dealing with consumers is essentially a marketing problem, more so in this case than the norm.
Water recycling is common for uses like irrigation; purple pipes in many California towns deliver water to golf courses, zoos and farms. The West Basin Municipal Water District, which serves 17 cities in southwestern Los Angeles County, produces five types of “designer” water for such uses as irrigation and in cooling towers and boilers. At a more grass-roots level, activists encourage Californians to save “gray water” from bathroom sinks, showers, tubs and washing machines to water their plants and gardens. Continue reading →