The pad receives what the council says is an increasing volume of organic waste that residents collect in green bins. The council rolled out the bins after it started the compost pad several years ago.

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The extension will increase the area to hold and process larger volumes of the waste, which includes food scraps.

Mayor Bob Kirk said the council was expecting to about receive 1800 tonnes of organic 'FOGO' (Food Organics Garden Organics) waste this year.

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"(The) pad is key to us being able to handle this waste into the future," he said.

"We will be able to comfortably compost the increased volumes we are receiving, eventually being left with a sellable product, which will be a brilliant outcome."

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A council spokesman said that following an awareness campaign in February, contamination levels had dropped to just three per cent.

Council staff will be undertaking further audit inspections over the coming weeks, and residents are encouraged to call the Waste Info Line on 4823 4417 if they have any questions.

READ MORE: Mayoral Minute with Cr Bob Kirk

Councillors awarded the pad extension to local firm, Denrith Pty Ltd in May. The firm, trading as Divalls Earthmoving and Haulage, won a tender from a field of two, for a price of $345,181. Half of this cost will be funded from a state government Waste Less, Recycle More program.

Work is expected to be finished in September.

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