Backflow Prevention

Protecting Your Drinking Water Supply

O’Brien Electrical & Plumbing Coopers Plains is fully licensed and qualified to provide expert backflow prevention services for residential, commercial, and industrial properties across South East Queensland. With over 35 years of experience servicing Brisbane, Ipswich, Logan, Redlands and surrounding areas, we help protect your drinking water supply from contamination while ensuring full compliance with council regulations and Queensland Urban Utilities requirements.

Backflow prevention devices are essential where there is a risk of cross-connection to the water supply, and they must be properly installed, maintained, and tested to remain compliant.

Our team manages the entire process, giving you peace of mind that your system is safe and compliant at all times.

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What is Backflow?

Backflow occurs when water flows in the reverse direction from a property’s plumbing system back into the mains water supply. This can potentially carry contaminants such as chemicals, waste, or bacteria, posing a risk to public health.

Backflow is typically caused by sudden changes in water pressure, such as a drop in mains pressure or increased demand on the system.

To prevent this, backflow prevention devices are installed on your water supply. These devices are designed to stop contaminated water from entering the mains and must be tested annually by a licensed plumber endorsed in backflow prevention to ensure they remain compliant and functioning correctly.

An O’Brien plumber crouched beside a backflow prevention assembly

Who Needs a Backflow Prevention Device?

Backflow prevention devices are required for properties where there is a risk of contamination entering the mains water supply. This typically includes:

Commercial kitchens, cafés, and restaurants
Car washes and mechanical workshops
Medical clinics and dental surgeries
Multi-storey and high-rise buildings
Properties with irrigation systems or rainwater tanks
Schools, childcare centres, and aged care facilities

In many cases, local councils or water authorities require backflow devices to be installed and tested annually to ensure compliance and protect public health.

Our Backflow Services

We provide a complete range of backflow prevention services to ensure your water supply remains safe, compliant, and fully protected.

Backflow prevention device installation
Annual backflow testing and certification
Council compliance reporting and lodgement
Backflow device repairs and preventative maintenance
Risk assessments for commercial and industrial properties
Emergency backflow fault response

Our licensed team ensures all work meets local council requirements and Queensland regulations, giving you confidence that your system is operating safely and in full compliance.