IWNL will aim provide a minimum pressure of 10 metres head (or one bar) at the boundary of the property. This means there is enough force/pressure to push the water to a height of 10m.
It is our legal duty to supply customers with all the water necessary for domestic purposes - cleaning, washing, cooking, central heating and sanitation, as well as watering your garden and washing your car.
By law, we must provide a minimum flow rate of 9 litres per minute and pressure of 0.7bar measured at the boundary of your property that connects to our main.
As a guide to carrying out your own pressure test. First ensure all other taps and appliances are turned off, then turn your kitchen tap on at full power and use a 1 litre jug to see how many times you can fill in the space of one minute. 10 or more confirms adequate flow rate to the property.
Hot tap/Upstairs - This is likely to be an issue with internal plumbing and not the responsibility of IWNL, please contact a plumber.
Kitchen – Could be an internal issue but could also be related to a wider issue. After following the above pressure test, if it confirms that there is low pressure, please contact IWNL.
It's possible that there are ongoing works in the area, or work has recently been completed that could have affected your supply.
You're only responsible for the parts of the system that sit within your home's boundaries (after the kitchen tap). If other properties are affected, or you still have concerns after going through the above, then it is important to get in touch with us on 02920 028 711 as soon as possible and let us know.
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