On May 1, 2023, the Black River Falls Municipal Utilities (BRFMU) collected water samples of our drinking water from three of BRFMU’s four wells and tested them for perfluoroalkyl and polyfluoroalkyl substances (PFAS). The fourth well is down for maintenance and will be tested as soon as the well is operational.

The results of those samples were received on May 22, 2023. Test results showed “No Detect” of PFAS compounds in both entry point 4 (east side of the river) and entry point 6 (west side of river).

Test results for entry point 3 (east side of river) showed the presence of six PFAS compounds, with all six compounds being well below the health-based standards recommended by the Wisconsin Department of Health Services. The DHS hazard index is based on the cumulative effects of multiple PFAS compounds. A hazard greater than 1.0 is considered a cause for concern.

Entry points four and six showed a hazard index of 0.0%. Entry point three showed a hazard index of 0.09%

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