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4r,;.Z, <br />Elk Riv <br />Municipal Utilities UTILITIES COMMISSION MEETING <br />TO: <br />FROM: <br />ERMU Commission <br />Dave Ninow —Water Superintendent <br />MEETING DATE: <br />AGENDA ITEM NUMBER: <br />August 12, 2025 <br />6.1h <br />SUBJECT: <br />Staff Update <br />ACTION REQUESTED: <br />None <br />DISCUSSION: <br />• Delivered 15 new water meters, installed a Smart Point module, and took curb stop ties. <br />• Completed 20 BACTI/Total Chlorine Residual Samples <br />o All confirmed negative for Coliform Bacteria. <br />o Bacteriological/Disinfectant Residual Monthly Report submitted to the MDH <br />• Completed 22 routine fluoride samples <br />o All samples met MDH standards <br />o Submitted MDH Fluoride Report <br />• Submitted Discharge Monitoring Report (DMR) for the Water Treatment Plants to the <br />Minnesota Pollution Control Agency (MPCA). <br />• Submitted DMR for the Diesel Generation Plant to the MPCA. <br />• Results of the latest round of PFAS testing conducted in cooperation with the Minnesota <br />Department of Health again show no detection above guidance levels. <br />• With residential water meter exchange appointments slowing down, both Archer <br />Plumbing and water department staff have shifted more to performing commercial <br />water meter exchanges. <br />• Water department staff have been performing annual testing of backflow prevention <br />devices on residential irrigation systems as part of ERMU's backflow prevention <br />program. <br />• On July 24, water department staff responded to a report of water coming up through <br />cracks in the Walmart parking lot. We determined that the water was coming from <br />multiple leaks in the water service lines to their building. Water service to the property <br />was shut off until Walmart had the leaks repaired. Our staff spent a good deal of time <br />helping guide Walmart staff and their contractors on repairing the leaks properly. <br />• Water department staff have been working on preventative maintenance for fire <br />hydrants and repairing issues identified during flushing. <br />• Water department staff have also been exercising distribution system gate valves as <br />part of the annual gate valve exercising program. <br />Page 1of2 <br />142 <br />