For over 40 years, Diona has partnered with leading asset owners to keep the water running, lights on and waste managed for Australian communities.
Why Diona?

New Innovation: Customer Centric Water Isolations

Combining new technologies with existing construction techniques to enhance customer experience.

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A day out with Diona’s mini employees

Diona opens site up for childcare centre excursion, allowing the kids to get a closeup look at the big machines and trucks working in their area.

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Assisi Catholic College Solar Installation

Wastewater Project of Year at Global Water Awards

Sydney Water's Refresh Woolloomooloo project wins at the Global Water Awards

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40 years of Diona time to celebrate our tremendous legacy and ensure the unique spirit of Diona lives on

What we've achieved

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41 Years of Operation
Since 1980

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2,005 Project Delivered

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5,100 Kilometres of underground infrastructure delivered

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12,630,000 Hours worked

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$1,000,000 Donated in support of mental health

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54,325 Community notifications issued in 2021

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21 Compliments received in 2021

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31 Positive community interactions 2021
Doing that 'little bit extra' for the community