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Water quality

Water quality

We test our drinking water regularly to make sure it's safe.

We regularly test and monitor our drinking water for microbiological, chemical and physical substances, which include E.coli, pH (acidity), fluoride, disinfection by-products (THM’s) and metals.

In 2015, we started testing for PFAS (per- and poly-fluoroalkyl substances) in the Sale system, followed by testing in the Seaspray and Briagolong systems in 2017. This was undertaken as a precautionary measure as we were made aware of historical activities including the use of fire-fighting foam in the area.

Our test results

Our drinking water is safe.

Download our latest PFAS water test results for Sale, Briagolong and Seaspray.

More information about other water quality test results will be available soon.

More information

Drinking water quality standards and guidelines

We supply high quality, safe drinking water. Our drinking water meets the requirements of the Safe Drinking Water Act 2003 and health guideline values in the National Health and Medical Research Council’s Australian Drinking Water Guidelines.


What are PFAS?

Per-and poly-fluorinated alkyl substances (PFAS) are a class of chemicals that have been used historically in firefighting foams and other industrial and consumer products. PFAS chemicals include perfluorooctane sulphonate (PFOS), perfluorohexane sulphonate (PFHxS) and perfluorooctanoic acid (PFOA) amongst a large group of other compounds.

You can find out more about PFAS on the Australian Government’s PFAS website.


PFAS guidelines for drinking water

The National Health and Medical Research Council Australian Drinking Water Guidelines provide health based guideline values for three PFAS substances. These guideline values are designed to be protective over a lifetime.

The health guideline value for perfluorooctane sulfonate (PFOS) and perfluorohexane sulphonate (PFHxS) combined is 0.07µg/L.

The health guideline value for perfluorooctanoic acid (PFOA) is 0.56 µg/L.


Has PFAS been found in our drinking water?

Our testing results show that the levels of PFAS in the water are of no concern. The concentrations of PFOS, PFHxS and PFOA in the drinking water are all well below the health guideline values and, in most cases, below the level of reporting or not detected.


What are the possible causes of PFAS in water samples?

PFAS is widespread in the environment and is commonly found in non-stick cookware, water resistant clothing, cleaning products and some personal care products.

Historical activities in the area may have introduced PFAS to the environment, such as the use of fire-fighting foam. Any PFAS found in our water samples is not a result of our activities.


About us

Gippsland Water supplies fresh clean drinking water to more than 70,000 customers, and wastewater services to more than 63,000 customers across an area of more than 5,000 square kilometres. It maintains a $1 billion infrastructure network, which includes more than 2,000 kilometres of water mains, 15 water treatment plants, over 1,700 kilometres of sewer mains and 14 wastewater treatment plants.

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Free drinking water initiative

Did you know that you can access free tap water at refill locations across the Latrobe Valley?

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Contact us

55 Hazelwood Road, Traralgon, VIC, 3844

Phone: 1800 050 500

Fax: (03) 5174 0103

Interpreter service: 1313 450


TTY: 1800 555 677

Email: contactus@gippswater.com.au