New rules for using purified wastewater give Arizona cities more options https://www.tucsonsentinel.com/local/report/051325_recycled_wastewater/new-rules-using-purified-wastewater-give-arizona-cities-more-options/
With dwindling water supplies, the Arizona Department of Environmental Quality in March gave municipalities a new tool to meet residents’ water needs: Wastewater treated by advanced purification can now flow directly from local water systems into residents’ taps.
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