Septic Systems Grafton

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The plumber locals Trust

Why Locals Choose TJM Plumbing

Locals choose TJM Plumbing for our experience, trust, and consistently high standards. Our team has the right knowledge, the right qualifications, and a standard of work that speaks for itself.

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15+ Years of Experience

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Fully Licensed & Insured

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Locally Owned & Operated

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Competitive Prices & Free Quotes

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Quality Workmanship

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AWTS Certified

At TJM Plumbing, we provide professional Septic Tank solutions in Grafton designed specifically for local homeowners. Whether you are building on acreage, upgrading an older system, or dealing with a failing tank, we deliver reliable wastewater systems that suit Grafton’s unique soil conditions and climate.


We understand that septic systems in the Clarence Valley need to handle everything from sandy riverbank soils to heavy clay floodplain areas. That is why we tailor every system to your property, ensuring long-term performance, compliance, and peace of mind.


Our services cover complete septic tank installation, system upgrades, emergency repairs, and ongoing maintenance across Grafton and surrounding areas. 

septic systems Installation, Repairs & Maintenance in grafton

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Why Septic Tanks Are Essential for Grafton Homes

For many Grafton properties outside the sewer network, a properly designed septic tank system is critical for safe and sustainable living. When installed correctly, septic systems deliver long-term benefits that go beyond basic wastewater disposal.

Cost Effective Wastewater Solution

With your own septic tank system, you avoid ongoing sewer charges. A well-installed system provides decades of reliable performance with minimal ongoing costs.

Protects Local Environment

Modern septic systems treat wastewater on-site, reducing environmental impact and helping protect the Clarence River and surrounding waterways.

Adds Property Value

A compliant and well-maintained septic system is a major asset. Buyers see value in a system that is already installed, approved, and functioning correctly.

Independence from Sewer Infrastructure

Septic tanks give rural and semi-rural homeowners full control over wastewater management without relying on council sewer connections.

Low Maintenance Requirements

Most systems only require pumping every three to five years, making them a practical long-term solution for Grafton households.

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Our Septic Tank Services in Grafton

Residential Septic Systems

We design and install septic tank systems for homes of all sizes across Grafton. Whether it is a new build or a replacement system, we match the design to your household usage, land size, and soil conditions. Our residential services include:



Properties around Grafton often come with unique challenges such as clay soils, high water tables, or proximity to waterways. We design systems that perform reliably in these conditions, including low-maintenance and gravity-fed options where possible.

Commercial Septic Solutions

We install and maintain septic systems for commercial properties including schools, accommodation providers, and rural businesses. These systems are designed to handle higher wastewater volumes while meeting strict council requirements.

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Best Septic Tank Systems for Grafton Conditions

Choosing the right septic tank system is critical for performance and compliance. Based on our experience across Grafton, we recommend:

  • Pump-Out Systems: Designed for sites where gravity flow is not possible, using pumps to move wastewater.
  • Concrete Septic Tanks: Durable and ideal for Grafton conditions. Resistant to movement in wet soils and built for long-term use.
  • Aerobic Treatment Systems (AWTS): Perfect for smaller blocks or poor soil conditions. These systems treat wastewater to a higher standard before dispersal.
  • Sand Filter Systems: Designed for properties with drainage challenges, improving water quality before it enters the soil.
  • Greywater Recycling Systems: Separate and reuse water for irrigation, reducing system load and improving efficiency. 

Our Septic System Installation Process

01

Site Assessment & Soil Testing

We begin by assessing your property, including soil testing, drainage conditions, and groundwater levels. This ensures your septic system is designed correctly from the start.


We also help manage council approvals through Clarence Valley Council, including site plans and compliance documentation.

02

Custom System Design

Every septic tank system we install is customised to suit your property.


We consider soil type, household size, and environmental factors to deliver the best solution.

03

Professional Installation

Our team handles excavation, tank installation, plumbing connections, and drainage systems.


We ensure every system meets Australian Standards and performs reliably.

04

Ongoing Maintenance & Support

We provide clear guidance on how to maintain your system, along with ongoing services including:


  • Scheduled pump-outs
  • System servicing
  • Repairs and emergency callouts


We are with you for the life of your septic system. 

If you need a reliable Septic Tank in Grafton, we are here to help. At TJM Plumbing, we deliver tailored solutions that suit your property, your budget, and local conditions. We offer:



We take the time to assess your property properly, explain your options clearly, and deliver a system that works for the long term.

Contact TJM Plumbing for Septic Tanks in Grafton

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Real Reviews from Local Customers

Five black stars in a row.

Tom and his crew are all top blokes, couldn’t recommend a better bunch of plumbers. My job was completed very timely and I’m really happy with the outcome. Thanks Tom.

Five black stars in a row.

Tom and the rest of the team did an amazing job. I really appreciate the communication and understanding throughout the process. Very professional!!!

Five black stars in a row.

I recommend TJM Plumbing. Jamie did a very good job which took a bit of working out. I am very happy with the results.

Five black stars in a row.

We are so impressed with Tom and his team at TJM Plumbing in Lismore. They did an amazing job fixing our septic system, and left everything looking perfect when they finished. The team was very friendly and easy to communicate with. Would 100% recommend, and will be using them for any future work that we need done.

FAQ

SEPTIC SYSTEM FAQS for GRAFTON HOMEOWNERs

  • How often does a septic system need pumping in Grafton?

    Most residential septic tanks require desludging every three to five years, though this varies based on household size, water usage, and what goes down your drains. Grafton’s high summer rainfall can affect system loading, potentially requiring more frequent attention during wet periods.


    Signs that pumping is needed include slow drains throughout the house, gurgling sounds in plumbing, wet spots over the absorption area, or any septic smell around tanks or drain fields. We recommend inspection every two to three years to catch issues before they become problems.

  • What septic system type works best for Grafton’s soil conditions?

    Grafton’s diverse soil profile—from sandy loams near the Clarence River to heavy plastic clays on the broader floodplain—means system selection must be site-specific. Properties with good drainage may suit traditional septic systems with absorption trenches. Clay-dominant sites typically need septic or aerated systems providing higher treatment levels before dispersal.


    For properties near waterways or with high water tables, we often recommend AWTS units or sand filter systems that deliver secondary-treated effluent, meeting stricter environmental requirements while performing reliably in challenging conditions.

  • Do you provide ongoing maintenance services?

    Absolutely. We offer maintenance packages covering scheduled pump-outs, quarterly servicing for aerated systems (checking internal pump operation, aerators, and disinfection components), and annual inspections for conventional systems. Emergency repair services are available when unexpected issues arise.


    Regular maintenance protects your investment, ensures council compliance, and prevents the costly failures that result from neglect. Our service contracts provide peace of mind and keep comprehensive records for your Approval to Operate renewals.

  • How long does septic system installation take in Grafton?

    Timeline varies based on system complexity and site conditions. A straightforward residential installation typically takes two to four weeks.