Threats On Tap? Widepread Violations

Tempe and Apache Junction were among the violators, with San Tan Valley coming in as the top offender.
In National Resource Defense Council report yesterday 
May 02, 2017 written by Kristi Pullen Fedinick, Mae Wu and Erik D. Olson,   America has a drinking water crisis. An NRDC study has found that contaminants that may harm human health are found in tap water in every state in the nation - Arizona included by ranking #9

Established in 1974, the Safe Drinking Water Act is one of our bedrock environmental laws, consisting of rules that regulate about 100 contaminants found in drinking water. NRDC has documented serious problems with our outdated and deteriorating water infrastructure, widespread violations and inadequate enforcement of the Safe Drinking Water Act for more than 25 years.
....and once again Hello! We have harmful problems

“Threats on Tap” is a follow-up to NRDC’s 2016 study that revealed widespread lead contamination in the tap water in Flint, Michigan, and towns across America.
The full report, interactive maps, and FAQs are available online here.