long-term projects throughout Australia and New Zealand which include: 24 water treatment and desalination plants, 15 wastewater treatment and reuse plants/schemes,
2 desalination schemes, 212km of irrigation pipeline network and Australia’s largest thermal drying
bio-solids facility


TRILITY identifies principles for best practice across every element of the Company, its operations and individual projects across its business portfolio. This inevitably leads to the right solution for each stakeholder in the surrounding community. We foster involvement from industry specialists to develop responsible solutions and principles for all our clients and their communities. This innovative approach is what produces a sustainable competitive advantage for TRILITY.

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  • Biosolid
  • Irrigation
  • Wastewater
  • Water Treatment
  • 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*


    TRILITY commissioned the Design and Construction (D&C) of treatment wetlands at the Aratula Sewage Treatment Plant (STP) (50km south of Ipswich, Queensland) and the Helidon STP (near Lockyer Valley Township, Queensland).
    * Reference site

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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.

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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.
    * Reference site

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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 towns of Echuca and Rochester, to supplement existing irrigation on privately owned farms, resulting in an environmentally sustainable outcome being achieved.

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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.

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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 260 kilometres south east of Darwin, in Australia’s Northern Territory. Located on the 79 square kilometre Ranger Project Area, Ranger mine is surrounded by, but separate from, the World Heritage listed Kakadu National Park.
    * Reference site

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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 that covers a quarter of the State and delivers services to approximately 72,000 residents and businesses.

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  • Hydramet


    A member of the TRILITY Group of Companies, National Company Hydramet has an excellent reputation, blue chip clients and significant market share in its core business of delivering and installing equipment and systems for chlorination, water treatment and chemical metering. Hydramet offers services to more than 700 sites across Australia.

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  • Lion Co. Australia Wastewater Recycling Plant*


    TRILITY operated and maintained the new water recycling plant of Lion Co. Australia at their Castlemaine-Perkins brewery in Milton, Brisbane.
    * Reference site

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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 Peninsula Area (NPA).

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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 the suburbs of Rothwell, Kippa-Ring, Redcliffe, Clontarf, Scarborough, Margate and Woody Point.

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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 90 communities.

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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, warehousing and logistics, subcontract engagement and management, SCADA system maintenance and engineering services.
    * Reference site

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  • South East Water Disinfection Contract*


    TRILITY has been contracted to Operate and Maintain (O&M) South East Water’s 20 booster chlorination facilities and a further ten chlorine residual monitoring facilities. Each of the disinfection sites is a self-contained sodium hypochlorite automated dosing facility.
    *Reference site

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  • TasWater Regional Towns Water Supply Program

    TRILITY has been 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 of two years for eight of sixteen townships around Tasmania.

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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 security over water supplies in the region.

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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 residents, community parklands and golf courses. Department of Health regulations and further reuse options required the upgrade of the South Australian Victor Harbor plant in 2010/11 to meet the growing need of water reuse. TRILITY Designed and Constructed (D&C) the plant enhancement which was financed by the client.

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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 is operated by TRILITY under a contract with SA Water.

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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.
    * Reference site

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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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Latest news

Beijing Enterprises Water Group Limited (hereinafter referred to as “BEWG”), are pleased to announce it has completed the acquisition of the TRILITY Group.

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