Washougal says PFAS levels in water system have decreased

Recent testing results show a “downward trend” in per- and polyfluoroalkyl substances (PFAS) levels in Washougal’s drinking water, with levels down to two wells approaching the EPA’s adopted limit of 4 parts per trillion (ppt), a reduction of 0.53 ppt from a previous sample. according to the City.

City employees identified slightly elevated PFAS levels at each of the City’s six wellheads during routine testing between February and May 2024. The levels prompted public notification “despite being below the State Action Level set by the Washington State Department of Health,” the City stated in the news release.