Our projects

Adelaide office

Brisbane office

Launceston office

Melbourne office

Perth office

Torrensville office

Tuggerah office

Yatala office

Adelaide Desalination Plant

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Agnes Water and Seventeen Seventy Integrated Water Project

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Aratula and Helidon Sewage Treatment Plant free water surface wetlands*

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Barwon Water Biosolids Management Project

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Berri Barmera Reuse Scheme

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Birdwood Wastewater Treatment Plant

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Campaspe Asset Management Services (CAMS)*

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Campaspe Water Reclamation Scheme

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Eastern Irrigation Scheme

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Energy Resources of Australia Limited Water Treatment Operations Support*

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Grampians Water Operations and Maintenance

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Lion Co. Australia Wastewater Recycling Plant*

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Macarthur Water Filtration Plant

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Mangawhai Water Reclamation Scheme

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Mundaring Water Treatment Project

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Northern Peninsula Area Water Supply System

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Onkaparinga Wastewater Treatment Plant

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Redcliffe Sewage Treatment Plant

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Riverland Water Project

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Seqwater Field Operations and Maintenance Services*

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South East Water Disinfection Contract*

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TasWater Regional Towns Water Supply Program

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Townsville City Council Water Supply Upgrade Project

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Victor Harbor Wastewater Treatment Plant

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Virginia Pipeline Scheme (VPS)

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Waikerie Wastewater Scheme

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Yabulu Reuse Plant*

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Yan Yean Water Treatment Plant

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  • Adelaide Desalination Plant

    TRILITY is a Joint Venture (JV) partner in AdelaideAqua Pty Ltd, the entity which has an agreement with SA Water to operate and maintain the plant until 2033.

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  • Agnes Water and Seventeen Seventy Integrated Water Project

    TRILITY has been contracted by Gladstone Regional Council to provide new infrastructure for the towns of Agnes Water and Seventeen Seventy, including a new wastewater treatment facility and a desalination plant.

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  • Aratula and Helidon Sewage Treatment Plant free water surface wetlands*

    Queensland Urban Utilities commissioned TRILITY and our major subcontractor, Water and Carbon Group, to Design and Construct (D&C) treatment plant upgrades at Aratula STP (50km south of Ipswich, Queensland) and the Helidon STP (near Lockyer Valley Township, Queensland).

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  • Barwon Water Biosolids Management Project

    TRILITY operates and maintains Australia’s largest thermal drying biosolids facility, servicing the Barwon Water service region. The region produces 54,000 tonnes of biosolids each year, which was previously trucked to Melbourne Water’s Western Treatment Plant where it was dried in...

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  • Berri Barmera Reuse Scheme

    TRILITY Designed, Built, Financed and Operates (DBFO) the wastewater treatment and reuse scheme for the Berri-Barmera Council in South Australia’s Riverland.

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  • Birdwood Wastewater Treatment Plant

    Adelaide Hills Council has contracted TRILITY to operate and maintain their wastewater treatment facility at Birdwood. The facility is a Sequencing Batch Reactor (SBR) wastewater treatment plant serving the Adelaide Hills.

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  • Campaspe Asset Management Services (CAMS)*

    TRILITY in a collaboration with Coliban Water maintained and operated over 46 reservoirs and water storage basins across north central Victoria and provides water and wastewater services to urban and regional customers across 49 towns.

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  • Campaspe Water Reclamation Scheme

    TRILITY operates the Campaspe Water Reclamation Scheme, a sustainable reuse scheme providing benefits to local industry. Campaspe Water Reclamation Scheme (CWRS) is one of the first projects in Victoria to treat 100 percent of wastewater generated by a community, the...

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  • Eastern Irrigation Scheme

    The scheme delivers 5GL per year of Class A recycled water to farming, recreational, industrial and residential customers around Cranbourne in Melbourne. View Eastern Irrigation Customer Information here

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  • Energy Resources of Australia Limited Water Treatment Operations Support*

    TRILITY provided operational advice and support for Energy Resources of Australia (ERA) Reverse Osmosis (RO) plant which treated mine site water for subsequent process reuse and environmental discharges. The Ranger Mine NT, is located eight kilometres east of Jabiru and...

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  • Grampians Water Operations and Maintenance

    TRILITY operates and maintains four water treatment plants in the western Victorian townships of Ararat, Great Western, Halls Gap and Stawell under an existing 25-year agreement with the Grampians Wimmera Mallee Water (GWMW) in western Victoria. GWMW has a footprint...

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  • Lion Co. Australia Wastewater Recycling Plant*

    TRILITY partnered with Lion Co. Australia to commission and operate an affordable and environmentally sound water recycling plant at Lion’s Brewery in Milton, Brisbane

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  • Macarthur Water Filtration Plant

    TRILITY is partnering with Sydney Water to achieve long term desirable financed water treatment solutions. The scope of the project includes the Design, Build, Finance (DBF) and 35 year Operation and Maintenance (O&M) of the facilities.

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  • Mangawhai Water Reclamation Scheme

    Mangawhai Community Wastewater Scheme is operated for the Kaipara District Council in New Zealand. The scheme includes the operations of the Mangawhai wastewater treatment plant and reuse farm which TRILITY operates.

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  • Mundaring Water Treatment Project

    TRILITY, as part of the Helena Water consortium financed, designed, constructed, commissioned and through a Joint Venture (JV) now operate the 165 ML/d Mundaring Water Treatment Plant (WTP) and Mundaring Pump Station C in Western Australia.

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  • Northern Peninsula Area Water Supply System

    Providing service delivery and provision of potable water to five indigenous communities within the Northern Peninsula Area (NPA). TRILITY will operate and maintain the existing water treatment plant and provision of potable water to communities within Bamaga and the Northern...

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  • Onkaparinga Wastewater Treatment Plant

    TRILITY in partnership with the City of Onkaparinga, has redeveloped the city’s Septic Tank Effluent Disposal Schemes (STEDS) to enable the water to be used for the irrigation of vineyards in the McLaren Vale and Willunga regions.

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  • Redcliffe Sewage Treatment Plant

    TRILITY has been selected by Unitywater to deliver the Design, Build, Operate and Maintain contract for the rehabilitation of the Redcliffe Sewage Treatment Plant in South East Queensland. The project will deliver an optimum service to residents and businesses in...

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  • Riverland Water Project

    TRILITY is the operator for Riverland Water, a consortium that designed and built 10 water treatments plants in regional South Australia. Located mainly along the banks of the River Murray, the plants serve approximately 150,000 people living in more than...

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  • Seqwater Field Operations and Maintenance Services*

    TRILITY, in a Joint Venture (JV), operated and maintained the bulk water transport network throughout South-East Queensland (SEQ) under an Operations and Maintenance (O&M) contract with its client Seqwater; providing value adding additional services such as capital expenditure project management,...

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  • South East Water Disinfection Contract*

    TRILITY was contracted to operate and maintain South East Water’s booster chlorination and residual monitoring chlorination facilities for three years.

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  • TasWater Regional Towns Water Supply Program

    TRILITY was selected by TasWater to design and construct Work Package One of the TasWater Regional Towns Water Supply Program. Work Package One is the design and construction of water treatment plants and the subsequent operational support for a period...

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  • Townsville City Council Water Supply Upgrade Project

    TRILITY has upgraded an existing 232 ML/d Water Treatment Plant (WTP) and constructed a new 40 ML/d plant at Townsville and will operate both facilities under a 20 year contract. This project provides Townsville City Council with long term water...

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  • Victor Harbor Wastewater Treatment Plant

    TRILITY designed, built and currently operates a wastewater treatment facility to treat sewage effluent to log six virus removal standard, making it suitable for unrestricted irrigation of private residence, community parklands and golf courses. Department of Health regulations and further...

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  • Virginia Pipeline Scheme (VPS)

    The Virginia Pipeline Scheme is operated and maintained by TRILITY providing sustainable water infrastructure. The Virginia Pipeline Scheme (VPS) in South Australia provides 20 GL per year of recycled water to more than 360 customers. 142km recycled water pipeline network...

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  • Waikerie Wastewater Scheme

    TRILITY Designed, Built, Operates and Maintains (DBOM) under a 15 year contract, a wastewater treatment and reuse facility for the District Council of Loxton Waikerie in South Australia.

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  • Yabulu Reuse Plant*

    TRILITY Designed, Built, Operated and Maintained (DBOM) for ten years under an alliance agreement, a wastewater treatment facility to treat saline industrial wastewater generated during nickel refining at the Yabulu Nickel Refinery in Townsville for reuse in refinery operations.

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  • Yan Yean Water Treatment Plant

    TRILITY as sole operator Designed, Built and Financed (DBF) the 155 ML/d Yan Yean Water Treatment plant (WTP) and now Operates and Maintains (O&M) the plant under a 25 year services contract for Melbourne Water.

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