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Water quality requirements are becoming more demanding all over the world. Modern world quality standards require the removal of many components such as taste and odour producing compounds, algae toxins and pathogen inactivation.

UGL provides clients with solutions for drinking water, desalination, water reuse and plant automation, with the objective of extending plant lifetime, minimising operating costs, and meeting new requirements.

Municipalities and industries in the Asia Pacific region have come to rely on our innovative engineering approach for operational efficiencies and costeffectiveness. From state-of-the-art membrane filtration to efficient water process engineering, we offer water solutions that benefit industries and communities alike.

Targeting the removal of dissolved solids, pathogens (e.g. Cryptosporidium, Giardia) and microorganisms, UGL is constantly working to provide the most efficient solution, refining existing practices in response to capacity demands.

Clients can further benefit from UGL’s proprietary technologies in media filtration, and clarification processes such as sludge recirculation clarifier, sludge blanket clarifier, lamella clarifier, and dissolved air flotation process.


Challenges facing public authorities in accessing water of good quality, managing pressures on water resources, and their need for productivity requirements forms UGL’s core focus in delivering water treatment solutions to municipalities.

UGL is a leader in all facets of water treatment plant design, construction and operations and maintenance services. Clients receive innovative process solutions, rigorous detailed design, comprehensive construction services and long-term operations and maintenance support.

Through every stage of the project lifecycle, UGL collaborates with clients to create an optimal solution that considers the right balance between capital expenditure, lifecycle and operational costs, service delivery and efficiency.

Our whole-of-life offering to operate and maintain water treatment plants aims to enhance our clients’ return on investment by minimising operational and maintenance costs without compromising compliance standards or the capital investment.

UGL’s expertise in municipal water includes:

  • Pre-treatment specialists (screens, Dissolved Air Flotation (DAF), clarifiers, filtration)
  • Membrane filtration (microfiltration (MF), ultrafiltration (UF), nano-filtration (NF))
  • Desalination (reverse osmosis)
  • Sludge dewatering and handling
  • Chemical treatment
  • PH control
  • Disinfection (chlorination, UV)
  • Tertiary filtration

Worldwide pressure on fresh water supply is driving the economics of desalination and Advanced Water Treatment Plant (AWTP) processes to the point where they are now competitive with other technologies. UGL’s water business is working to optimise the performance of our clients’ desalination and advanced water treatment processes, both in terms of their environmental impact and energy use.

The systems and solutions can be designed for large scale projects such as treatment plants that can produce up to 100 mega litres of purified water per day, or for smaller capacities to assist small and medium-sized cities manage urgent drinking water supply problems.


UGL has long been involved in the development and implementation of membrane technologies which provide drinking water from seawater and high quality water from contaminated sources.

UGL’s experience in membrane technologies include pressure membranes, and immersed membranes providing either microfiltration (MF), ultrafiltration (UF), and pressure membranes for nano-filtration (NF) or reverse osmosis (RO). UGL has also designed and supplied membrane bioreactors, with membranes immersed directly in the aeration tank of a wastewater treatment plant.

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