California Regulator Allows Rules for Converting Wastewater to Drinking Water

California regulators approved regulations on Tuesday that would enable water system agencies to establish treatment protocols for converting wastewater into high quality drinking water. The Water Resources Control Board said this would allow water systems throughout the state to generate “a climate-resilient water source” while reducing the amount of wastewater released into rivers and the ocean. “On top of helping us build drought-resilient water supplies, direct potable reuse offers energy savings and environmental benefits,” Joaquin Esquivel, chair of the Water Resources Control Board, said in a statement. “And most importantly, these regulations ensure that the water produced is not only safe but purer than many drinking water sources we now rely on,” Mr. Esquivel added....