Arizona Republic
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WASHINGTON - Valley health officials insist that it's safe to drink the water, but area residents don't appear to be so certain. A recent Census Bureau survey said that 17 percent of residents in the Phoenix-Mesa-Scottsdale region believed the primary water source in their home was unsafe in 2011. While that's down from the 27 percent of Valley residents who thought the water was unsafe in 2002, the last time the Census Bureau asked the question, it was still more than twice the national average of 8.1 percent in 2011.