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Backflow prevention

Backflow is unsafe water flowing backwards into the drinking water supply. This unsafe water may carry contaminants that could potentially harm people’s health.

A backflow prevention device stops the potential backward flow of unsafe water into the drinking water supply.

All commercial and industrial properties require a backflow prevention device.

As a property owner, you are responsible for ensuring that the correct backflow prevention device is installed. A licensed backflow plumber can inspect your premises and advise you on your property’s needs.

For general information on backflow prevention, click on our Backflow prevention fact sheet.

For more detailed questions and answers, click on our Backflow Q and A sheet.

Legislation and regulation related to Backflow prevention


For plumbers:

Backflow Test Form



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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Choose Tap

Choose Tap aims to promote the benefits of drinking tap water as part of a healthy lifestyle and as an alternative to bottled water.

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Contact Us

Gippsland Water Head Office, 55 Hazelwood Road, Traralgon, VIC, 3844

Phone: 1800 050 500
Fax: (03) 5174 0103
Interpreter service: 131 450
TTY: 1800 555 677
Email: contactus@gippswater.com.au

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