Wisconsin Agency Asks Wastewater Plants to Test for PFAS

The Wisconsin Department of Natural Resources is requesting that 125 wastewater treatment facilities test influent and effluent for per-and polyfluoroalkyl substances

Aug 01, 2019 | by TPO Staff |

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Flannery 30 Large — The Rhinelander Wastewater Treatment Plant near our offices at COLE Publishing is among the facilities being asked to test for PFAS in the next 90 days. (Photo By Cory Dellenbach)

The Wisconsin Department of Natural Resources is asking its largest municipal wastewater treatment plants to test for per-and polyfluoroalkyl substances (PFAS). The department sent a letter to 125 facilities July 29 requesting that they sample their influent and effluent within 90 days to document PFAS levels. The plants were chosen based on their size or the likelihood PFAS could be in their wastewater stream due to industrial customers that may be using the chemicals. DNR wastewater section chief Jason Knutson tells Wisconsin Public Radio that there is ongoing concern surrounding the compounds. “We’re working within our existing authority to do

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