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Notice 01-27-2026 : Just a reminder that a minimum of the first installment of your 2025 Real Estate Taxes are due to your local treasurer by January 31st. All second installments or any late tax payments shall be remitted to the Trempealeau County Treasurer at 18600 Hobson Street, Whitehall, WI 54738.

The City of Osseo will be exercising valves, flushing water mains and testing fire hydrants periodically throughout the months of October and November.

Residents may notice mineral particles in their water which can affect laundry operations.

If mineral particles are detected, cold water should be run to clear out household water lines.