Port Macquarie Plumbing

Water Tanks in Port Macquarie

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Tank Installations

Harvest Rain, Save Water

Every drop of rain is a missed opportunity without the right setup. A properly installed water tank gives you access to free water for gardens, toilets, laundry and more, while easing the load on mains supply.


At Port Macquarie Plumbing, we install and maintain water tanks across Port Macquarie, helping households and businesses reduce water bills and improve sustainability with reliable, well-connected systems.


Whether you’re after a slimline tank for a tight side yard or a large-capacity system with pump and filtration, we can design and install a solution to suit your space, budget and needs. We also connect stormwater overflow, guttering and reticulation lines to keep your system efficient and compliant.


If your existing tank isn’t working like it should or you’re ready to install something new, call 02 6584 8878 and we’ll help you make the most of every drop.

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Frequently Asked Questions

  • What size water tank do I need for my home?

    The right size tank depends on your property size, roof catchment area, intended water usage and rainfall levels in your area. A small garden or laundry setup may only need 1,000 to 2,000 litres, while larger households using tanks for toilets or whole-home supply often opt for 5,000 to 10,000 litres or more. If you plan to rely on rainwater year-round, a larger tank with a pump and backup system is best. Local rainfall patterns and space constraints should also be considered during planning.

  • Can a water tank be connected to toilets or laundry?

    Yes, water tanks can be connected to indoor plumbing systems, including toilets and washing machines, using a mains switch or pressure pump system. This setup requires a your plumber to ensure proper backflow prevention and compliance with plumbing regulations. It’s a great way to reduce mains water usage, especially in areas with water restrictions or high water bills.

  • What maintenance does a water tank need?

    Water tanks should be checked every few months for signs of sediment buildup, debris on inlet screens, mosquito breeding and structural issues like cracks or leaks. Gutters and downpipes feeding the tank should also be cleared regularly to ensure clean water entry. Some tanks may need occasional flushing or pump servicing, depending on the setup. Annual inspections help keep your system running safely and efficiently.

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Repairs & Upgrades

Smart Storage That Works

Water tanks need to be properly connected, sealed and maintained to avoid blockages, overflow or contamination. We service and repair all types of tanks and pumps, from cracked poly tanks and faulty float valves to blocked inlet screens and leaking pipework. Whether it’s a minor repair or a full system upgrade, we’ll get it sorted cleanly and efficiently.


We also install pressure pumps, filters and mains bypass systems to help automate your rainwater use and improve performance. If your tank is leaking, not refilling, or if you’ve just moved into a property with an old setup, we can assess it and offer practical, affordable solutions. A good rainwater system should run quietly, store safely and deliver consistent pressure when you need it, without causing issues down the line.

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