Our Projects

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South West Priority Land Release Area (SWPLRA) – Water Infrastructure

Sydney, New South Wales

Celebrating 40 Years of Diona

Tanunda Gas Pipeline

Tanunda, Australia

Customer Centric Water Isolations Part 2: The Results

Marsden Park Pressure Sewer

North West Sydney, New South Wales

Pennant Hills Road & Marsden Road Intersection Upgrade

Sydney, New South Wales

Murarrie Looping Project

Brisbane, Queensland

Bromelton Trunk Water Main

Bromelton, Queensland

Gresford Road Bridge Over Glendon Brook

Mitchells Flat, New South Wales

Parramatta Light Rail Enabling Works

APA Seaford-Aldinga Augmentation

Seaford, South Australia

Tunnel Dewatering Systems: Sydney Metro Northwest

Sydney, New South Wales

Marburg Range Repair Project

Marburg, Queensland

Gawler East Link Road Project

Gawler East, South Australia

Colongra Lateral Pipeline

Doyalson, New South Wales

Somerton Road Branch Gravity Sewer

Melbourne, Victoria

Baldwin Road SPS for Gippsland Water

St Marys Wastewater Central Precinct

Siena Catholic College - geothermal installation

Sippy Downs, Queensland

International Women in Engineering Day 2020

Albert Street Gas Insertion

Brisbane, Queensland

Refresh Woolloomooloo

Sydney, New South Wales

Diona's Geothermal Capability

Tarro to Shortland - Trunk Watermain

North West of Newcastle, Australia

North West Growth Centre Wastewater Transmission

Box Hill, New South Wales

Rozelle STS Expansion and Associated Civil Works

R U Ok Day 2020

Chambers Flat Pump Station

Chambers Flat, Queensland

Brunswick Area Sewer Augmentation

Byron Bay, New South Wales

Rochedale Water Infrastructure Upgrade

Brisbane, Queensland

Murrarie Looping Project

Grey Street Sewerage Pump Station Project Update

Marsden Park Pressure Sewer

Singleton Town Centre Revitalisation Part II

Grey Street Pump Station

Eastern Creek Gravity Sewer Extension

Sydney, New South Wales

Petrie Mill Pump Station and Trunk Sewer Augmentation

Petrie Mill Trunk Sewer Augmentation & Pump Station

Adelaide CBD Mains Replacement Program

Adelaide, South Australia

Powells Creek Naturalisation

Sydney Park to Haymarket 330kV Cable Circuits

Sydney, New South Wales

Lilydale Gas Pipeline

Lilydale, Victoria

Sydney Light Rail Intersection Work

Johnstons Creek Timelapse

Adelaide Central Reinforcement Project

Adelaide, South Australia

Bald Hills to Carseldine 275kV Cable Upgrade

Brisbane, Queensland

Kilcoy Water Main Augmentation

Kilcoy, Australia

International Women's Day with Rhonda McSweeney

Refresh Woolloomooloo

Roma to Brisbane Pipeline (RBP) Dig Ups – Stage 2

Brisbane to Wallumbilla, Queensland

Vaccine Support

Sydney Metro Northwest: various packages

Sydney, New South Wales

Cedar Grove Pump Stations

Ausgrid Substation Oil Containment Infrastructure Upgrade

New South Wales, Australia

North Sydney Desalination Pipeline

Sydney, Australia

Hay Street Substation

Sydney, New South Wales

Singleton Town Centre Upgrade

Singleton, New South Wales

Beecroft and Carlingford Roads Intersection Upgrade

Sydney, New South Wales

Enabling Communities to Thrive

Singleton Sewage Treatment Plant – Ultraviolet Disinfection System

Singleton, New South Wales

APA Mains Renewal Program - Fitzroy Stage 3

Melbourne, Victoria

Gawler East Link Road - South Para Bridge

Northern Beaches B-Line Program – Water & Sewer

Sydney, Australia

Assisi Catholic College Solar Installation

St Francis of Assisi Primary School - geothermal installation

Glendenning, New South Wales

Logan Reserve 110kV

Logan Reserve, Queensland

Canterbury Town Centre – Water & Sewer Infrastructure

Canterbury, New South Wales

McLachlan and James Street Intersection Stormwater Upgrade

Brisbane, Queensland

Upskilling our future workforce

Greenhill Road Gas Pipeline

Adelaide, South Australia

Diona Melbourne

Sydney Light Rail

Sydney, New South Wales

Great Western Highway Safety Upgrade: Blackheath

Blackheath, New South Wales

Marsden Park Dual Barometric Loop Construction

Powells Creek Naturalisation Project

Installation of Water Services - Cudgegong Road

Sydney, New South Wales

Picnic Point to Haymarket – 330kV cables

Sydney, New South Wales

Rochedale Water Infrastructure Upgrade

Bilpin Overtaking Lane

Sydney, New South Wales

Cedar Grove Pump Stations

Cedar Grove, Queensland

Hayes Hill Branch Gravity Sewer

Melbourne, Victoria

St Marys Wastewater Central Precinct

Partnering with Ausgrid for over 20 years

Customer Centric Water Isolations

Adelaide CBD Mains Replacement Program

Peakhurst Substation

Sydney, New South Wales

Strategic Infrastructure Delivery Partner Agreement - Unitywater

Works complete on Cedar Grove

Safety comes first at Diona

Chetwynd Street Lift Pump Station Civil & Mechanical Works

Loganholme, Queensland

Gas Mains Replacement Adelaide

Scott Street Dandenong Gas Main Renewal

Dandenong, Victoria

Fairwater – Precinct wide geothermal installation

Blacktown, New South Wales

Mudgeeraba Water Treatment Plant – Pipework Reconfiguration

Mudgeeraba, Australia

Elara Estate: Western & Northern Gravity Sewer Lead-Ins & Sewer System Works

Marsden Park, New South Wales

Eastern CBD 11kV Cable Project

Diona 40 Year Celebration Teaser

Johnstons Creek Naturalisation Project

Rhonda McSweeney joins Diona as Executive General Manager

Literature Lane Gas Main Relocation

Melbourne, Victoria

Hayes Hill Branch Sewer

WaterNSW announcement

Epping to Chatswood Rail Line 33kV Installation

Sydney, New South Wales