Our projects

Adelaide office

Launceston office

Melbourne office

Morisset office

Mount Maunganui office

Perth office

Torrensville office

Yatala office

Adelaide Hills Community Waste Management Scheme

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Aratula and Helidon Sewage Treatment Plant upgrade*

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Barwon Water Biosolids Management Project

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Berri Barmera Reuse Scheme

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Campaspe Water Reclamation Scheme

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Eastern Irrigation Scheme

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Energy Resources Australia Water Treatment Operations *

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Lion Co. Australia Wastewater Recycling Plant *

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Mangawhai Community Wastewater Scheme *

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Redcliffe Sewage Treatment Plant*

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Rotorua Wastewater Services

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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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Wakefield Community Wastewater Management System

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Yabulu Reuse Plant*

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Yarra Park Water Recycling Facility

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58 Mile Tank Chloramination Facility*

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Adelaide Desalination Plant

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Adventure Bay Water Treatment Plant Interim Upgrade Project*

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Agnes Water and Seventeen Seventy Integrated Water Project

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Allanooka chlorination reconfiguration *

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Alligator Creek chlorine dosing system*

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Ararat Water Treatment Plant*

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Brisbane Airport Corporation Water Quality Improvement Project*

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Campaspe Asset Management Services (CAMS)*

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Electrochlorination facilities *

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Grampians Water Operations and Maintenance

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Hawke’s Bay District Health Board Main Water Supply *

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Macarthur Water Filtration Plant

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Mine Site Water Treatment *

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Mount Zero Powdered Activated Carbon (PAC) Dosing System*

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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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Riverland Water Project

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Seqwater Field Operations and Maintenance Services *

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Soluble iron removal

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South East Water Disinfection Contract*

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TasWater Regional Towns Water Supply Program*

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TasWater Scamander Network*

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TasWater UV Project (Stage 1)*

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Townsville City Council Water Supply Upgrade Project

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Wayatinah Remote Reservoir Chlorine Control*

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Wentworth to Broken Hill (W2BH) Pipeline

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Yan Yean Water Treatment Plant*

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  • 58 Mile Tank Chloramination Facility*

    TRILITY manufactured chlorine and ammonia dosing modules, as well as completing the civil site works, installation, commissioning, and project management to upgrade the 58 Mile Tank facility. For more information on the products used in the chlorine and ammonia dosing...

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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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  • Adventure Bay Water Treatment Plant Interim Upgrade Project*

    TRILITY was engaged to design, supply, fabricate, install, test and commission a replacement ultraviolet disinfection system, as well as installing a new control system for measuring and controlling the water usage. In addition, a Hydra-Mix system was installed in the...

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  • Agnes Water and Seventeen Seventy Integrated Water Project

    TRILITY was contracted by Gladstone Regional Council to provide new infrastructure for the towns of Agnes Water and Seventeen Seventy. This included a wastewater treatment facility,  a desalination plant and subsequent ultrafiltration system upgrade.

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  • Allanooka chlorination reconfiguration *

    TRILITY was contracted to reconfigure a chlorination system with automatic generator power in the event of a power failure. Safe, withdrawable injection quills and chemical barrier protection enhance operator safety. For more information on the products used in this chlorination...

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  • Alligator Creek chlorine dosing system*

    TRILITY designed, supplied and installed a pre-fabricated, dual room chlorine dosing system complete with internal electrical and plumbing fit out including commissioning, testing, proving and operator training. For more information on the products used in this chlorination reconfiguration: absorption column,...

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  • Ararat Water Treatment Plant*

    Design and construction of an upgraded fluoride dosing system, completed 2021. For more information on the products used in the fluoride dosing system: dosing pumps, injection quills, pressure gauges, flowmeters and ball valves

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  • Brisbane Airport Corporation Water Quality Improvement Project*

    TRILITY was the principal contractor to design, construct, install and commission a fully-functional inline chloramine dosing system that can be remotely operated and monitored. For more information on the products used in the chemical dosing unit: analysers,

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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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  • Electrochlorination facilities *

    TRILITY was awarded a contract to build, install, test and commission electrochlorination facilities to disinfect both potable and process water supplies at a mine site. The facilities were manufactured and tested off-site, then transported to site as complete buildings, where...

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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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  • Hawke’s Bay District Health Board Main Water Supply *

    TRILITY was engaged to design,  build, install and commission a bespoke modular water treatment plant at the Fallen Soldiers’ Memorial Hospital in Hastings that is capable of providing 1.3 ML/d of compliant drinking water.

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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), the 35-year Operation and Maintenance (O&M) of the facilities and plant upgrade to ensure...

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  • Mine Site Water Treatment *

    TRILITY was engaged to update the drinking water supply treatment and distribution systems at a mine site in the Pilbara region. For more information on the products used in the liquefied chlorine gas dosing module: absorption column, automatic shutoff device, chlorinator, controller,  cylinder...

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  • Mount Zero Powdered Activated Carbon (PAC) Dosing System*

    Improving water taste and odour using powdered activated carbon dosing prior to treatment at Mount Zero Water Treatment Plant For more information on the products used in the dosing system: analyser, ball valves, schedule 80 pipe, schedule 80 fittings and static...

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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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  • Riverland Water Project

    TRILITY is the operator for Riverland Water, a consortium that designed and built 10 water treatment 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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  • Soluble iron removal

    TRILITY was engaged by a leading Victorian tree nursery to design and manufacture a water treatment solution to remove soluble iron from the nursery’s raw bore water. The soluble iron in the water was gradually oxidising throughout the irrigation network...

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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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  • TasWater Scamander Network*

    TRILITY was engaged to provide a top up chlorination solution in the Scamander reticulation system and assist with maintaining chlorine residual levels across the network. For more information on the products used in the mixing and monitoring system: controller, dosing...

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  • TasWater UV Project (Stage 1)*

    TasWater engaged TRILITY to design and construct ultraviolet (UV) upgrades for nine water treatment plants as part of a state-wide initiative to ensure all Water Treatment Plants  provide the necessary level of treatment to meet the state’s Health-Based Targets. The...

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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 operates both facilities under a 20 year contract. This project provides Townsville City Council with long term water security...

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  • Wayatinah Remote Reservoir Chlorine Control*

    Rechlorination at the Wayatinah reservoir was required as part of the Regional Towns Water Supply Program. TRILITY designed a purpose built sodium hypochlorite modular solution which was used in conjunction with the Hydra-Mix in tank mixing and monitoring device to...

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  • Wentworth to Broken Hill (W2BH) Pipeline

    TRILITY is a Joint Venture (JV) partner in the W2BH O&M which operates and maintains the Wentworth to Broken Hill pipeline

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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 Operated and Maintained (O&M) the plant under a 25 year services contract for Melbourne Water.

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