Parents warned of the potential risks of giving children tap water after a study uncovered widespread lead contamination in household plumbing.

More than half of tap water samples taken from households in NSW were found to contain lead, a study conducted by Macquarie University has revealed.

One in 12 exceeded the maximum amount of lead permitted by Australian Drinking Water Guidelines.

Plumbing and tap fittings have been identified as the major source of lead contamination, meaning even clean water is at risk of contamination, the researchers said.

Most at risk are young children and babies who drink formula made with tap water.

Lead exposure can have a serious effect on early brain development, increasing the risks of cognitive damage, lower IQ and behavioural problems.

Researchers warn the same types of taps and plumbing fittings were used nation-wide.

Researches have advised concerned people to check fittings for lead content and, if needed, replace them with lead-free plumbing fittings and taps.

Macquarie University’s Paul Harvey says the two contaminates, copper and lead, present a concern for public health due to their frequent occurrence and high concentrations.

“As the sampling of household water took place across NSW, the widespread distribution of samples with elevated copper and lead concentrations demonstrates that this is not a spatially-isolated problem, and that domestic supplies across Australia are likely to be subject to similar issues,” Harvey says.

“There is a significant health risk associated with consumers, particularly infants consuming formula and pregnant women.”

Installing water filters may also reduce the risk.

There have also been reports of high levels of lead in the drinking water at Perth’s new children’s hospital just two months after asbestos was found at the building site.

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  • My older children have grown up with old pipes in houses and I am sure they were around when I was young. So not sure if they are trying to get us to drink bottled water would prefer to use rain then that probably has lead too.


  • This possibly warrants further information, will do some research as it is concerning.


  • Terrible. I always drink tap water, but probably, to be on the safe side, we should all have it tested.


  • Now it’s the water that’s unsafe for drinking. I was always told that water is best for children, (sweet drinks etc….. I steered away from). Luckily the children grew up away from NSW. But still you never know, do you?


  • You would avoid tap water if you lived in that area!


  • We may not live in that area but we fit a filter to our water tap. Very simple and not costly.

    • Good suggestion – may look at a filter.


  • Concerning !


  • That’s very scary.not good at all


  • It seems everything we eat drink and are exposed to is contaminated.


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