What is flushing?
Flushing is essentially cleaning the water network. We carry out flushing when we have been working in the area, this is to clear any pipework which may have been affected by this work. It is not unusual for you to have some discoloured water when this is happening, we advise that you run your downstairs cold tap and this should clear.
Why do we flush?
- A natural sediment very similar to rust builds up in old, iron water mains, over time, and normally sits harmlessly in the bottom of pipes. However, if disturbed by increased flow (possibly due to a burst main) or flow reversal (to maintain supplies), this sediment can cause discolouration of supply. Although not harmful to health, the appearance of the water is impaired and may not be palatable.
- Flushing is an effective method of cleaning the pipework prior to or after essential work where there is a risk that discoloured water may result.
- The amount of water flushed is strictly controlled to minimise the volume of water discharged.
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