Read the full article (Prescott Valley Tribune)

“Prescott Valley has shut down four of its 27 wells after measurable amounts of PFAS chemicals were found in their water, the town stated in a news release Thursday, Aug. 11.

After the City of Prescott announced in July that it had shut down two of its wells near the Prescott Regional Airport because of positive tests for Per- and Polyfluoroalkyl substances (PFAS), the Town of Prescott Valley immediately tested all but two of its 27 wells (the two were offline). Of the 25 wells tested, four were found to have measurable amounts of the chemicals in the water pumped, town officials stated.

One of the tests was considered uncertain, so that well is being retested to ensure there was no testing error, they added.

As part of an earlier Environmental Protection Agency (EPA) monitoring program, the town had tested all of its upper system wells for these same chemicals in 2014-15, and three wells in its lower system in 2018, all with negative results. Based on the results of this follow-up test, the town has shut down all four of the wells that tested positive this year and will follow up with a plan for further action that includes consulting with the Arizona Department of Environmental Quality.” …