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6.1h ERMUSR 03-12-2024��i Elk River Municipal Utilities UTILITIES COMMISSION MEETING TO: FROM: ERMU Commission Dave Ninow —Water Superintendent MEETING DATE: AGENDA ITEM NUMBER: March 12, 2024 6.1h SUBJECT: Staff Update ACTION REQUESTED: None DISCUSSION: • Delivered 8 new water meters, installed a Smart Point module, and took curb stop ties. • Completed 20 BACTI/Total Chlorine Residual Samples o All confirmed negative for Coliform Bacteria o Bacteriological/Disinfectant Residual Monthly Report submitted to the MDH • Completed 20 routine fluoride samples o All samples met MDH standards o Submitted MDH Fluoride Report o Completed one MDH validation fluoride sample • Submitted Discharge Monitoring Report (DMR) for the diesel generation plant to the Minnesota Pollution Control Agency. • Submitted Tier II Annual Reports to the Department of Homeland Security for the diesel generation plant and all the water treatment plants. • In reviewing video taken of well 7 while the pipe, pump, and motor were removed for maintenance, it was determined that the screen needed to be cleaned due to over 20 years of mineral buildup. The screen cleaning process involves a combination of a carefully planned chemical treatment and physical removal of mineral deposits. The cleaning process was completed March 1, and a new video was taken of the well that shows that the screen looks almost new again. Before and after pictures are attached. • Work has been completed replacing the programable logic controller (PLC) for well #9. This will allow our Supervisory Control and Data Acquisition (SCADA) system to communicate through fiberoptic instead of the current radio system that has had some reoccurring communication issues at this site. Page 1 of 2 239 • The back-up dialer unit that calls out system alarms to staff in case the main SCADA system dialer program fails to call out has been upgraded. This will help ensure that system alarms are sent out so that staff are notified of, and are able to react to, any issues that may be happening in the water system. • Verizon wireless has completed their most recent equipment upgrade project at Freeport Water Tower. • The water operators have spent much of their time performing annual preventive maintenance on the water treatment plants. ATTACHMENTS: • February 2024 Pumping by Well • Picture of Well 7 Screen Before Cleaning • Picture of Well 7 Screen After Cleaning Page 2 of 2 240 C Well #7, 0, 0% February 2024 Monthly Pumping By Well Well #9,0,0 Well #8, 7.982, 20% Well #6, 5.881, 14% Well #5, 7.465, 18% Well #2, 8.363, 20% Well #3, 9.512, 23% Well #4, 1.829, 5% Values Are Displayed in Millions of Gallons (Well #, Gallons Pumped, Percentage of Pumping) 241 w ,� � '� ` ` r • fir► .yr f re� �p t 1 '� pot V� t M • ..� t law R „�► 40 or- twoPoo mo «� 4 s - d