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Tucson Water learned critical lessons about water treatment decision-making, customer communication, and public involvement in its first attempt to take its then-500,000 customers from groundwater dependence to surface water supply. The water department is the largest municipal provider in southern Arizona. It applied those lessons in a second attempt that succeeded and soon will be expanded.
The EPA is launching a new scientific review to assess potential health risks of fluoride in drinking water following recent findings linking high exposure to lower IQ in children.
