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A shower with a black tile wall and a shower head — Matt King Plumbing & Septic Systems in Old Bar, NSW

Old Bar Septic Systems

If you’re living in Old Bar and dealing with outdated or unreliable septic systems, Matt King Plumbing & Septic Systems is your trusted local expert. With over 20 years of experience in wastewater management, Matt and his team understand the specific needs of properties in this coastal and semi-rural community. Whether it’s a complete system installation, a tank upgrade, or a fast repair, we deliver compliant, environmentally responsible septic services tailored to your land and household requirements. Septic issues can quickly escalate into significant property or health concerns, so getting a professional involved early makes all the difference.


We work with both new and established homes, providing honest advice, quality workmanship, and a no-fuss service from start to finish. Our systems are designed to be durable, low-maintenance, and fully approved by the Council, giving you peace of mind that your property is safe and your wastewater is managed correctly. Locals in Old Bar choose us because we show up on time, clearly explain things, and do the job correctly. For reliable septic system help close to home, call 0407 534 154.

Tailored to Local Conditions

Regarding septic systems in Old Bar, one size doesn’t fit all. With a mix of soil types, varied property sizes, and changing weather conditions, each system needs to be carefully designed for long-term performance. Our process starts with a site inspection to assess your property’s layout, usage, and environmental factors. From there, we recommend a septic system that’s not just council-compliant—but also practical, efficient, and cost-effective for your needs.


We handle everything from excavation and tank installation to connecting the system and testing for performance. You’ll never be left in the dark—our team walks you through every step, ensuring you’re confident in how the system works and how to care for it. We use proven techniques and high-quality components so that you won’t call us back twice for the same issue. Whether you’re upgrading an old system or starting fresh on a new build, we’ve got the tools and local know-how to do it right. For homeowners in Old Bar, that means less stress, fewer headaches, and a septic system that runs the way it should.

A white bathtub in a bathroom next to a window — Matt King Plumbing & Septic Systems in Old Bar, NSW

Frequently Asked Questions

  • What type of septic system is best for properties in Old Bar?

    The best septic system for your property in Old Bar depends on several factors, including land size, soil type, water table depth, and household usage. Conventional septic tanks with absorption trenches may work well for larger rural blocks with suitable soil. Meanwhile, aerated treatment units (ATUs) or Enviro Cycle systems are often better for properties with poor drainage, higher occupancy, or environmental sensitivity. A site-specific assessment is the best way to determine your property’s most effective, sustainable, and council-approved system.

  • How often should a septic tank be pumped or serviced in Old Bar?

    For properties in Old Bar, it’s generally recommended to have your septic tank pumped every 3 to 5 years, depending on the system type and household size. Regular servicing ensures the system functions efficiently and prevents overflow, foul odours, or drain blockages. In areas like Old Bar, where seasonal weather can affect soil and groundwater levels, keeping the system well-maintained is even more critical. Aerated systems may require more frequent checks—every quarter or six months—to ensure components like aerators, filters, and chlorine dispensers are working correctly.

  • Do I need council approval to install or replace a septic system in Old Bar?

    If you plan to install, upgrade, or relocate a septic system in Old Bar, you must obtain approval from the MidCoast Council. This involves submitting a Section 68 Application for wastewater management, site and soil evaluation reports, system specifications, and a site plan. The council will assess your property’s suitability for on-site wastewater treatment and determine if the proposed system meets environmental and health standards. Working with a licensed and experienced installer helps streamline the process and ensures all paperwork is submitted correctly.