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Concrete Septic Tanks in Byron Bay 

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Built to Withstand Harsh Conditions

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Custom Precast Solutions Available

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Fast Delivery Across NSW & QLD

Talk to the Team in Byron Bay

Byron Bay Concrete Septic Tanks

40

Years
Experience.

If you’re building or upgrading a property in Byron Bay, a reliable septic system is essential—and that’s where Graham’s Precast Concrete Products comes in. With over 40 years of experience, we’re known throughout the Northern Rivers for supplying strong, easy-to-install concrete septic tanks that are built to last in coastal and rural conditions.


Our precast tanks are made to meet Australian Standards and are available in a range of sizes to suit different property types—from off-grid homes to farms and small developments. Each unit is watertight, crane-deliverable and ready for backfill on the same day.


Byron locals choose us because we understand the area’s needs, offer helpful advice, and deliver on time—without the hassle. We also offer reed beds and installation support for complete wastewater systems.


To get a quote or place an order, call our friendly team today on (02) 6632 2978.

Built to withstand Aussie conditions.

More than

12 million tonnes of recycling processed.

Septic Solutions Made Simple

When you choose concrete septic tanks in Byron Bay, you need something that can handle the local environment and meet council requirements without delays. That’s exactly what Graham’s Precast Concrete Products delivers.


Our tanks are precast off-site and transported to you ready to install—no waiting on concrete pours or dry times. We use crane trucks to place each unit where it’s needed, saving you time, labour and stress. With decades of hands-on experience, we know what works for coastal soil types and varied site access.


Each tank is watertight, structurally sound and available with custom fittings to suit your plumbing layout. Whether you’re managing a rural block, a new build or an upgrade, we’ll walk you through your options and help with practical advice.


We’re known for our responsive service, helpful team and reliable delivery. Byron Bay locals count on us for a smooth, hassle-free experience from first call to installation.

More than

12 million tonnes of recycling processed.

Why Choose Us?

Since starting out in 1982, we have expanded our business to 150 distributers across NSW and QLD. We owe this success to our dedicated team who provide excellent end-to-end service and take pride in their workmanship.


All our precast concrete products are locally manufactured to Australian Standards, meaning you’ll receive the highest quality goods every time. We’re certified by the NSW Department of Health & Management Facility Septic Tanks & Collection Wells and have a Structural Design Certificate for Grids. 


Our turnaround times are fast. At full capacity, we can produce up to 40 products per day. What’s more, we personally deliver each product, so you only have to speak with one company. Save yourself the hassle of mixing concrete on-site, instead order our precast products.

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Concrete Water Troughs

If you’re looking for a feed trough that can handle a few kicks from pushy livestock, our precast concrete option is ideal. This product is safe, stable, and long-lasting.

Civil Construction Products

Septic Tank Installation

Before delivering your new septic tank, you’ll need to collaborate with an excavation company and choose a plumber to complete the installation. Book an installation anywhere in the Byron Bay region today.

Concrete Cattle Grids

Stop your livestock from wandering off with our concrete cattle grids. Our Byron Bay team offer a complete service—from design and production to delivery and installation.

Civil Construction Products

We provide precast concrete products for civil construction sites across Byron Bay, including single-cell, sloping and double-cell headwalls. Regardless of pipe size, we can custom-make a headwall to suit.