Well #3 is closed and will continue to be monitored for PFAs

During the March City Council meeting a partnership with Bolton and Menk was announced to assess PFAS contamination in Well #3 and explore alternative well locations.
On April 9, 2024, the Minnesota Department of Health notified the City that Well #3, installed just five years ago, contained PFAS at levels exceeding new standards. Director of Public Works Tony Johnson explained that the City took immediate action by shutting down Well #3. Pat Mueller confirmed that Well #3 will undergo quarterly testing until 2027 to determine necessary future measures. Notably, when Well #3 was installed 5 years ago, state regulations did not require PFAS testing.
Mueller gave additional context, explaining that while the state permitted Well #3 to remain operational, the City chose to take a more cautious approach by closing and monitoring it. The two other wells, located on the north side of town across from the train tracks, have tested at significantly lower PFAS levels. While Well #3 tested at approximately 9 or 10 units, Wells #1 and #2 measured only 1 or 2 units. Mueller said, “Unless we all stop using plastic, there will always be some contamination. Like lead in the 70’s”. Though Well #3’s proximity to the river might contribute to the higher contamination levels, Mueller noted that establishing a direct correlation would be a challenge.
The City is currently evaluating several solutions. While a filtration system could address the contamination, its estimated cost of $20 million makes it a significant investment and would require careful consideration. Alternative options include exploring a potential well site near the Coffee Mill. Mueller emphasized that finding an appropriate solution requires time and analysis, stating, "People want us to just fix it. We can't." To maintain the well's functionality during this assessment period, Well #3 undergoes regular operational testing.

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