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When it comes to water conservation in cities that depend on wastewater reuse, even the best intentions can have unintended consequences. In a recent article published in the journal Nature Sustainability, researchers take a close look at how water conservation measures taken in Southern California in the wake of a major drought affected the availability and quality of regional wastewater. Treated municipal wastewater has a broad variety of potential uses, the researchers noted. It can be applied to irrigated agriculture and golf courses, used to recharge groundwater, or supply critical flows to local streams and rivers that provide habitat and recreational services.
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