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Lead Contamination - Government Warning Issued July 2018

Australian households have been officially advised to run their taps for at least 30 seconds in the morning amid fears of lead poisoning from plumbing products.

enHealth recommends that every effort should be made to reduce exposure to lead in the environment, including lead that may be dissolving into drinking water from some plumbing products.

The alert was issued in July by enHealth 

Lead in our Water?

AlkaViva Australia is Australia’s most trusted Water Filter and Alkalising Company for over 30 years. We continue to provide our services including up to date health warnings regarding drinking water. Alkaviva Australia was the first (July 2018) to publish enHealth’s findings regarding toxic levels of lead in our house hold drinking water and we continue to update these findings. We stock a range great range of heavy metal filters and with alkalising and non-alkalising options.

 

Who is enHealth?

enHealth— a standing committee representing federal, state and territory health departments, the National Health and Medical Research Council and the New Zealand Ministry of Health.

See below the latest information with more information (additional links at the end of the document) from the 2018 Environmental Health Standing Committee (enHealth) of the Australian Health Protection Principal Committee.

 

About lead and health

Lead is a naturally occurring metal with a wide variety of uses in manufacturing due to its soft, malleable and corrosion-resistant properties. In Australia, the main sources of lead exposure are from employment involving lead, old paint during home renovations, recreational shooting, hobbies involving lead, and some alternative medicines.

Unlike many other metals lead is not beneficial or necessary for humans, and can be harmful to health. Infants and children are especially vulnerable as lead can impair brain development. Therefore, people should take every opportunity to limit their exposure to lead.

While World Health Organisation guidelines state that no level of lead exposure is safe, Australian standards permit up to 4.5 per cent lead content in brass fittings, compared with 0.25 per cent in the US and Canada.

 

Lead in drinking water from plumbing products

In Australia, town drinking water that is supplied to homes and other buildings is known to be safe. Town drinking water supplies are treated and regulated by state and territory health legislation across Australia, requiring routine monitoring, including for lead, in accordance with the Australian Drinking Water Guidelines.

Unlike some parts of the world, it is unusual to find drinking water service pipes containing lead in Australia. However, in Australia and across the world, lead is still used in the manufacture of a range of plumbing products, such as brass fittings. These products are widely used in drinking water systems in homes, buildings and associated water supply points, such as drinking water fountains. Some older homes and buildings may still have old copper pipes with lead-based solder. However, lead-based solder is no longer permitted to be used by licensed plumbers in Australia.

 

Lead Corrosion

Lead can dissolve into drinking water from some brass plumbing fittings, particularly where water has been sitting in contact with these brass plumbing products for long periods. Due to the heating process, hot water systems may result in more dissolved metals in water, including lead, compared with cold water systems. Rainwater systems may also dissolve more metals from plumbing products. The slight acidity of rainwater can make rainwater corrosive to plumbing.

 

National Health and Medical Research Council’s position on lead

The National Health and Medical Research Council’s statement on the Evidence on the effects of lead on human health supports reducing the amount of lead in the environment as much as possible to reduce the risk of harm from lead exposure, especially for infants and children.

Reducing exposure to lead in water

In Australia, elevated blood lead levels in people are rarely found to be related to lead exposure from drinking water. According to the United States Centres for Disease Control and Prevention, most studies show that exposure to lead-contaminated water alone would not be likely to elevate blood lead levels in most adults. Risk will vary, however, depending on the individual, the circumstances, and the amount of water consumed. For example, infants who drink formula prepared with lead-contaminated water may be at a higher risk because of the large volume of water they consume relative to their body size.

 

Health Effects Of Lead

Source: Clean Water Action

enHealth supports every effort to reduce the level of lead in drinking water in Australia from plumbing products. enHealth is engaging with Australian plumbing authorities to ensure plumbing products in contact with drinking water do not adversely affect water quality and people’s health.

The installation of plumbing fittings in Australia is overseen by State and Territory plumbing regulatory agencies. These agencies are now collectively working to address the issue of lead in plumbing products at the national level, through the Australian Building Codes Board. This includes research to determine the extent that plumbing products may contribute to lead levels in drinking water in excess of the health-related guideline value in the Australian Drinking Water Guidelines.

 

Good practice for householders

Householders can proactively reduce their potential exposure to lead in drinking water through the following measures:

  • using water from cold taps only for drinking and cooking
  • flushing cold water taps used for drinking and cooking for about 30 seconds first thing in the morning to draw fresh water through the tap
  • flushing cold water taps used for drinking and cooking for about 2 to 3 minutes after long periods of non-use, such as return from holidays; this ‘flushed’ water can be collected and used for washing up
  • choosing plumbing products that have been certified to Watermark and AS/NZS 4020:2005; and/or have low lead content or are lead free, when renovating or building.

There is no need for households to have their water tested for lead. The recommendation is to follow the good practice measures above. By following these measures you can also reduce your potential exposure to other metals in plumbing, such as copper and nickel.

Public drinking water fountains and publicly accessible taps

In many cases, public drinking water fountains and publicly accessible taps may not have been used for a while, allowing water to become stagnant. It is therefore good practice to flush the public drinking water fountains and publicly accessible taps for about 30 seconds to draw fresh water to the outlet.

Building and asset managers

Building and asset managers, or others responsible for plumbing systems, should have an awareness of how their system may impact on the quality of water (for example asset condition, corrosion potential, hydraulics and potential for water stagnation). Best practice measures should be adopted to maintain the quality of water, including a regular flushing regime to remove stagnant water and the progressive replacement of lead-containing plumbing products.

Call the experts now for your family’s safety on (02) 82830577 or info@alkaviva.com.au

See more stories below recommended by AlkaViva on this topic –Government health warning, lead in our drinking water:

Tap water lead health warning: Run for 30 seconds before drinking

Top health official waters down warning to flush taps over lead ... - ABC

Tap water health warning due to high lead levels in brass plumbing ...

Lead In Drinking Water: Health Warning | ten daily

 

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