Guardian Water
Expert Water Treatment Engineering
WE CREATE VALUE through our experience, innovation, creative design and simple solutions.
WE ARE 100% EMPLOYEE OWNED which means we take pride in building high performing, reliable, quality plants.
Our mission is to
GUARD the environment
GUARD our communities
GUARD our clients and retain CUSTOMERS FOR LIFE
What We Do?
Guardian Water is a Sydney-based environmental engineering company specialising in water treatment, wastewater treatment, and dewatering solutions for construction, infrastructure, industrial, and municipal projects. We deliver end-to-end water management services, including process design, modular treatment systems, equipment supply, installation, commissioning, and operations support.
Our expertise includes construction dewatering, groundwater treatment, wastewater treatment plants, potable water systems, and leachate treatment, using advanced technologies such as filtration and reverse osmosis (RO). We provide temporary and permanent treatment solutions designed for compliance, efficiency, and reliability.
Guardian Water works closely with contractors and asset owners to deliver cost-effective, compliant, and high-performance water infrastructure solutions.
Our Project Legacy
Our in-house project experience includes:
Construction excavation and piling
Road and Rail
Tunneling water treatment
Sludge dewatering
Recycling wash plants
Landfil leachate
Contaminated groundwater
PFAS (Airport, Defence, Fire Services)
Our team is experienced and capable in:
Operation and maintenance
Sampling and testing (NATA)
Plant tuning, optimisation and troubleshooting
Jar testing and chemical / media selection
Accomodation camps
Potable water
Wastewater / sewage
pH control and disinfection
Demineralisation and remineralisation
Ultra-pure industrial water
Power station service water
Truck and helicopter wash
Our Core Engineering Competencies
Remote monitoring
Media changeouts
Chemical supply and pumpouts
decontamination and demobilisation services
Securing Your Project Through
Absolute Reliability
Streamlined Simplicity
Optimised Capacity
And we deliver on that PROMISE
Solutions We Provide
At Guardian Water, we deliver reliable and efficient water treatment, wastewater treatment, and dewatering solutions for construction, infrastructure, industrial, and municipal projects across Australia.
We understand that every site presents unique water challenges. That’s why we design tailored, fit-for-purpose treatment systems that ensure environmental compliance, minimise risk, and keep projects moving.
Our expertise includes construction dewatering and groundwater treatment, helping clients manage excavation water, tunnelling works, and high groundwater conditions. We provide effective sediment control, filtration, and advanced treatment systems to meet strict discharge standards.
We also specialise in modular and containerised water treatment systems, allowing for rapid deployment and flexibility on-site. These solutions are ideal for remote locations, temporary works, and projects requiring scalable treatment capacity.
Our team delivers wastewater and potable water treatment solutions, including leachate treatment, industrial wastewater treatment, and reverse osmosis (RO) systems, designed for reliability, efficiency, and long-term performance.
From concept to completion, Guardian Water provides a complete service:
Process design and engineering
Pilot testing and system optimisation
Equipment supply and system integration
Installation and commissioning
Operations, maintenance, and ongoing support
With a strong focus on innovation, sustainability, and practical delivery, we work closely with clients, contractors, and engineers to provide solutions that are not only technically sound but also buildable, cost-effective, and dependable in real-world conditions.
Lets Chat.
Contact us for an obligation free discussion.
We’d love to help you find the solution that saves you time, money, risk and headaches.