Septic Tanks in Coffs Harbour
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Coffs Coast Plumbing
Coffs Harbour Septic Tanks
If your property isn’t connected to mains sewer, you need septic tanks that work reliably, efficiently and safely every day. Whether you’re installing a new system, upgrading an existing one or dealing with drainage issues, we’re here to help.
At Coffs Coast Plumbing, we provide professional septic system installation, maintenance and repairs throughout Coffs Harbour and surrounding areas. Our team works with both residential and commercial properties to ensure your wastewater is treated effectively, meets council regulations and supports long-term environmental health.
We handle tank selection, trenching, drainage lines, pump systems and system upgrades—so you don’t have to worry about what happens after the flush. We also assess older systems to ensure they meet current standards and function properly. If your system’s backing up, smelling bad or showing signs of failure, we’ll inspect it and provide honest advice with long-term solutions in mind.
For safe and efficient septic system services,
call Coffs Coast Plumbing on
(02) 6656 4317 today.
Safe And Practical
Onsite Wastewater Services That Work
Septic systems need expert care to stay healthy, efficient and council-compliant. Whether you’re building a new home, managing a rural property or fixing an old setup, we offer tailored solutions to manage wastewater safely and responsibly.
Our team takes the time to assess your site, usage and needs before recommending the right approach.
- New System Installs
Complete design & installation of septic tanks, trenches, pump wells & connections. - Maintenance & Servicing
Scheduled inspections & servicing to keep systems operating safely & efficiently. - Troubleshooting & Repairs
We fix odours, overflows, backups & broken components fast. - System Upgrades
Replace outdated systems with modern, council-approved alternatives that suit your property’s needs.
Poorly maintained systems can cause big headaches and costly damage over time. We’re here to make your setup simple, safe and fully functional—so everything flows the way it should, without risk, stress or environmental impact.
Frequently Asked Questions
How does a septic system work?
A septic system treats wastewater from your home using a tank and a drainage field. Solids settle in the tank while liquids drain into the soil for natural filtration. The system safely manages sewage without needing connection to mains sewer. Regular pumping and maintenance are essential to prevent blockages, overflows, or system failure.
How often should a septic tank be pumped out?
Most septic tanks need pumping every 3 to 5 years, depending on household size and usage. If not pumped regularly, solids can build up and block the system, leading to backups or environmental contamination. Signs it’s due include slow drains, unpleasant smells, or pooling water near the drain field. A professional can assess your system’s condition.
What shouldn't go into a septic system?
Avoid flushing or draining grease, chemicals, wipes, nappies, sanitary products, or non-biodegradable items. These can clog or damage the system. Limit water use during short periods to prevent overload, and use septic-safe cleaning products. Protecting your septic system helps prevent costly repairs and ensures it continues working efficiently for years.






