Will I notice anything different after you have flushed the water mains?

Your water may be discoloured. Water is sometimes discoloured after water main cleaning, but this should not last long. Do not use discoloured water for any purpose that require clean water, such as preparing food and beverages, medical and dental procedures, or laundry.

  • After flushing is complete, remove the aerator (a fine mesh grid) on your tap. Then, turn on a cold water tap, preferably the laundry tap, and let the water run for a few minutes.
    • Do not choose a tap that has a water filter connected to it; otherwise, the sediment may clog your filter.
    • Do not use a hot water tap because it could draw sediment into your hot water tank. Once the water runs clear place back the aerator.
  • Catch some water in a light coloured cup or container to see if it is clear. You can use your water if it is clear.
  • If the water does not clear within 5 to 10 minutes, wait two hours and try again.

Show All Answers

1. What is water main flushing?
2. What are water mains?
3. Why are you "flushing" the water mains?
4. How do you clean the water mains during flushing?
5. How long does it take to flush the water mains on each street?
6. How will I know when you are flushing water mains on my street?
7. Can I use my water when you are flushing the water mains on my street?
8. My in-home medical equipment requires water to operate. What should I do?
9. What do I do if I need water during the time that I am not supposed to use water?
10. I have time delayed appliances or water conditioning systems. What should I do?
11. Is the Fire Department aware of the water main flushing?
12. Will I notice anything different after you have flushed the water mains?
13. How do I get rid of the discoloured appearance?
14. What should I do if the water is still discoloured after two or three hours?
15. What if someone drinks the water when it is discoloured?
16. What else may I notice about my water after you have flushed the water mains?
17. Why can't you flush the water mains at night?
18. Where will you drain the water used in the flushing program?
19. Does discharged water affect the environment?
20. Do other cities have similar water main flushing programs?
21. I lost water service. Why, and what do I do?
22. Why does flush-water (hydrant or at the tap) appear discoloured?
23. Is the water safe to drink?
24. How will you pay for the water main flushing program?
25. Will I be paying for the water used in flushing?
26. Is water main flushing a waste of water? Is this counterproductive to conservation?