OBERON residents who are on the town water supply are encouraged to check their water pipes regularly to ensure there are no leaks.
Oberon Council says a number of residents have only been made aware that they have a leak in their plumbing system after they have received an excessive water bill.
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In order to avoid this, council says residents should check their water meter readings.
"When checking your meter, please note that the black numbers tell you how many kilolitres (1000 litres) you have used and the red numbers tell you how many litres you have used," a council spokesperson said.
"In checking to determine whether there may be a leak in your system, please follow these steps: take a meter reading (including the small numbers at the end of the meter) after the last person has used any water in the evening (a photo works well); take a further reading on the following morning before any water is used.
"If no one has used any water overnight, the readings should not have changed. If there is a difference, you know there is a leak."
Council says residents are responsible for all pipes past the water meter.