From time to time, we use a water mains cleaning method known as ice pigging. This technique uses an ice and water slurry mix, sent through the pipes to help remove unwanted debris and sediment.

This is a gentle method of water mains cleaning that doesn’t damage the pipes. It’s also eco-friendly and minimises water waste.

The ice mixture is pushed through the system via water hydrants, before being collected by trucks to be disposed of.

Our current ice pigging program

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    Tuesday 24 June to Tuesday 1 July in Epsom and Huntly.

If your area is scheduled to be cleaned, resulting in a water supply interruption for your property, you will receive a notification telling you what day and time water mains cleaning will start in your street. These notifications are delivered seven days before works begin.

Sometimes we’re able to carry out water mains cleaning without impacting your water supply, in which case you won’t receive a direct notification.

See 'Notification' drop down above if you’re expecting a water supply interruption.

Ice pigging involves trucks parking at hydrants to push the ice slurry mixture through the network. This means you might see trucks and crews in your neighbourhood.

Please follow any traffic management in place.

Your water is safe to drink throughout the water mains cleaning process.

Fun fact - why is it called 'ice pigging'?

Ice pigging gets its name from a traditional cleaning method that uses 'pigs', or a solid object, to push debris through water or sewer pipes.