Annual Fire Hydrant Flushing

The City of Wentzville will be conducting its annual fire hydrant flushing in October. Please be aware that during the flushing process, it is common to stir up mineral deposits in the mains. Please refrain from washing laundry on the day we are scheduled to be in your area. If you have any questions or concerns, please contact the Public Works Department at (636) 639-2121. Please note: If your area is not on this schedule, you will not be affected this year. This process is completed annually but does not affect every subdivision each year. To view a map of affected areas, please visit




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