California regulators on Tuesday approved new rules to let water agencies purify wastewater into drinking water for homes and businesses. Officials say it will provide a reliable, though expensive, water supply during droughts. (Dec. 19) (AP Video/Terry Chea)

California regulators approve new rules for turning wastewater into drinking water

California regulators on Tuesday approved new rules to let water agencies purify wastewater into drinking water for homes and businesses. Officials say it will provide a reliable, though expensive, water supply during droughts. (Dec. 19) (AP Video/Terry Chea)