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The California Water Resources Control Board on Tuesday approved new rules for turning water from toilets and other uses into drinking water.
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The U.S. Department of the Interior has launched a new large-scale water recycling program aimed at creating new water supplies that are less vulnerable to drought and climate change.
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Officials at Grand Canyon National Park say drinking water at Phantom Ranch is again safe nearly two weeks after residents and visitors were warned of possible contamination.
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Officials at Grand Canyon National Park have implemented water conservation measures at the South Rim amid a supply shortage.
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The Environmental Protection Agency has finalized a plan to cleanup a Superfund mine site on the Tohono O’odham Nation that's contaminated the tribe's drinking water with uranium and other pollutants.
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The Environmental Protection Agency will allocate more than $860,000 to reduce lead in Arizona schools and childcare facilities.
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Officials at Grand Canyon National Park say they failed meet a requirement to chlorinate the park’s drinking water Monday morning.
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The Environmental Protection Agency is proposing the first federal limits on harmful “forever chemicals” in drinking water, saying it could prevent thousands of illnesses.
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A new study from Northern Arizona University shows how climate change is shrinking vital springs in the Grand Canyon and along the Mogollon Rim. KNAU’s Melissa Sevigny reports.
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The Environmental Protection Agency has awarded nearly $3 million in grant funding to reduce runoff-related pollution in drinking water in Oak Creek and some mine sites in Arizona.