Great Northern Plumbing Services

Great Northern Plumbing Services

We go further. We know more. We deliver.

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Great Northern Plumbing Services

Specialist water, wastewater and compliance solutions for councils, government and industry across North Queensland.

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Great Northern Plumbing Services

Since 2015, Great Northern Plumbing Services has supported essential infrastructure across North Queensland.

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About Us

Great Northern Plumbing Services (GNPS) is a North Queensland–based specialist plumbing and treatment business owned and operated by Kevin Hall. Since 2015, GNPS has focused on supporting government, industrial and remote sector clients with compliant, reliable and practical solutions.

GNPS was established to meet demand for licensed trades and treatment specialists willing to travel further and work in complex environments. With licensing across plumbing, mechanical services, water treatment and domestic sewage servicing, GNPS brings deep capability to treatment assets, site infrastructure and high-compliance environments.

At GNPS, we go further, we know more, and we deliver – offering broad technical capability and hands-on, high-standard work on critical water and wastewater assets.

Our Services

Customer Satisfaction Is Our Highest Priority

Plumbing

GNPS provides specialist plumbing services for government, councils and industry, with a focus on infrastructure and project-based work rather than general domestic services.
Core services:
• Relief tradesman supply / FIFO coverage
• Infrastructure upgrades and installations
• Pump system installation and servicing
• Project-based plumbing works
• Service and maintenance contracts for government and industry

Water Treatment

GNPS delivers water treatment support for rural, regional and industrial sites.
Core services:
• Plant relief operation
• Filter media replacement
• Rural water solutions including bores, rainwater tanks and dams
• Treatment optimisation
• Water quality testing and reporting
• Design and commissioning of treatment systems

Sewage Treatment

GNPS provides sewage treatment services across domestic, commercial and council systems.
Core services:
• Relief plant operation
• Breakdown and service maintenance
• Third-party verification and reporting
• System upgrades
• Domestic sewage treatment system design
• Domestic servicing on three-monthly cycles in accordance with government and Australian Standards

Trade Waste

GNPS supports commercial sites to manage trade waste systems effectively.
Core services:
• Oil-water separators (priority service)
• Grease traps
• Commercial trade waste maintenance and support

Site Compliance

GNPS delivers testing, certification and maintenance programs to ensure critical assets meet compliance requirements.
Core compliance services:
• Annual Backflow Testing and Certification
• Annual TMV Testing
• Annual Safety Shower and Eyewash Servicing
• Quarterly Secondary Sewage Treatment Compliance
• Quarterly Oil-Water Separator Compliance
• Washdown Bay Systems
• Stormwater Diversion Compliance

Service Maintenance Programs

GNPS delivers integrated maintenance programs that bring all compliance requirements into a single, coordinated schedule. This includes ongoing servicing of pumps, filters and treatment assets aligned with Australian Standards and local government obligations.
Benefits include:
• One contractor
• One schedule
• One reporting stream
• Proactive compliance oversight