Recycled wastewater is not only as safe to drink as conventional potable water, it may even be less toxic than many sources of water we already drink daily, Stanford University engineers have discovered.
“We expected that potable reuse waters would be cleaner, in some cases, than conventional drinking water due to the fact that much more extensive treatment is conducted for them,” says Stanford professor William Mitch, senior author of an Oct. 27 study in Nature Sustainability comparing conventional drinking water samples to potable reuse water. “But we were surprised that in some cases the quality of the reuse water —
