How to Understand Which Watertank Is Most Optimal For Melbourne, Vic

There aren’t many consolations to a rainy day– cosy lounge time, soothing sounds of drops on the roof, and maybe a rainbow or a puddle-splash afterwards. But you can add yet another by placing a water tank to capture a portion of that downpour: it will diminish your environmental footprint by decreasing your demand on mains water and the volume of stormwater runoff into rivers and oceans, and can also reduce your water bill in the long term.

Rainwater tanks are no longer just huge, round and hideous; they come in all shapes and sizes that can make efficient use of modest or tricky urban spaces.

Water for outdoor or indoor application?

The absolute most important issue to consider before you buy and install a water tank is how you wish to use the water.

Applying the water outdoors– for watering the garden and washing the car, as an example– is the simplest way to start, as you most likely just need the supplier to set up the rainwater tank, instead of a licensed plumber. And it will immediately cut your utilization of mains water.

Save lots more by sending the rainwaer to your toilet, washing machine or hot water system, but you’ll need a licensed plumber to connect the tank to your mains supply.

What size rain water tank do I need to have?

The storage capacity you choose will be dependent on the shapes and size of your household and garden. Round, squat tanks fit efficiently under a deck, while slimline tanks agree with narrow spaces. An underfloor tank or bladder storage system is a good out-of-sight space saver, however is more expensive.

Your roof area and the annual rainfall in your region will also need to be considered. To help determine the size and shape that’s perfect for you, sellers often provide calculators on their sites, or your water authority may be able to help.

What else do I need to know before acquiring a rainwater tank?


Rainwater tanks generally can be found in the following materials:

Metal tanks are crafted from corrugated or flat rolled metal, which may be galvanised or coated. They often include a plastic inner lining (Aquaplate) that will increase the quality of life of the tank and protect the water quality.

Polyethylene (plastic) tanks are well-liked as they are fairly cheap and durable. Because rust isn’t a conern, they are a great option for people living near the sea. Other synthetic materials, such as PVC and geotextile, are utilized for bladder storage. Bladders are useful for water storage below a deck or floor; while their material is durable, it’s not intended for outdoor installation.

Fibreglass tanks are rust and chemical-resistant and manufactured to withstand extreme temperatures. They’re not the cheapest option, and preferable for above-ground installation, while all other kinds can also be installed below ground.

Concrete tanks, often used for agricultural and industrial reasons, won’t rust, burn, melt or blow away. They might be bought ready-made, or customized onsite.


Ask your local council and water supplier which rules and regulations apply in your local area. You may need to forward a development or building application, and there may be policies around drinking rainwater or mosquito breeding prevention, along with restrictions on the tank’s placement, colour, height and labelling or noise regulations for a pump.

Are you refurbishing, building new or retrofitting?

If you are restoring or building, instead of retrofitting, you may have to incorporate energy and water-efficient attributes in your plans to satisfy new legislative requirements.

Extra costs

When obtaining quotes, inquire if there are any further costs for delivery and installation; extra components (such as pipes, fittings and taps); optional extras (such as a first-flush or backflow-prevention device); a pump (unless you can employ gravity for water pressure); and a stand (unless you want to put it on the ground or below it, through which case you’ll need to consider the cost of special ground prep or excavation).

If you intend to connect the tank to your mains water supply, look into the cost of a licensed plumber, and expenses for any extra work that needs to be done to your roof and/or guttering.

Can you access a water tank rebate?

Get in touch with your local water or government authority to see if you’re entitled to a cash rebate or bill reduction– the answer may depend upon the size of the rainwater tank and My Web Page whether it’s connected to a toilet and/or washing machine.


Rainwater tanks can range from around $700 to $2000, starting from a small, freestanding model without pump or extras, to large, custom-built models. Costs vary depending on the size, material, finish and strength of the tank.

Author: chloeapplegate9

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