The Washington State Board of Health requires water systems be tested for a new class of contaminants.
CHENEY – They city of Cheney sent notice to residents on March 2 that potentially harmful chemicals known as polyfluoroalkyl substances (PFAS) were found in Well No. 5. The well is a seasonal water source located on Presley Drive used to compensate for additional water use during the summer months.
According to the notice, the city's water division collected PFAS samples from the well on Oct. 7, 2021. A second set of samples taken on Dec. 6 confirmed the initial test results.
Well 5 contained 7.96 parts per trillion (ppt) of PFOA and 34.6 ppt of PFOS, which are below the state advisory levels...
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