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2024 Water Main Flushing

Starts on May 6, 2024

The 2024 water main flushing program will start on Monday, May 6th and is expected to take 10 to 14 days to complete. The flushing is maintenance that cleans the water mains, keeping the distribution of water efficient and maintaining the quality of water.

“WATER MAIN FLUSHING” signs on your block indicate that you will be affected by the unidirectional flushing that night. You can continue with regular water use until 7 p.m. that evening. In some cases, the water main flushing of a block may take a few nights. In these cases, residents may use the water as normal from 7 a.m. to 7 p.m.

Follow these tips to protect your home and goods from discoloured water and sediment produced by the flushing process:

  • Do not use any taps after 7 p.m.
  • Fill your bathtub or pails before 7 p.m. for water to manually flush toilets
  • Set aside a store of water for washing hands, washing dishes and consumption
  • Turn off your water softeners, freezer or any other devices that may use water
  • Run the water from an outside tap for 10 minutes or until the water runs clear (if necessary)
  • Restart your water softener, freezer and any other devices that were turned off

Due to unavoidable circumstances, flushing may have to be extended past 7 a.m. until the main has been cleared.

Water tap use or toilet flushing while the unidirectional flushing is active can result in stained laundry, plugged filters, and damage to water heaters. The City is not responsible for damages.

If you use medical equipment requiring continuous water supply, please call City Hall immediately. If you are a commercial customer that operates during the flushing hours, contact City Hall for more information.

Unidirectional flushing is done by moving water through the lines at a high velocity, creating a scouring action. Water is then discharged, removing any material buildup from the line. The material removed from the lines through the flushing process is harmless and requires no special treatment.

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