Underground Water Tanks

Learn More About Underground Water Tanks

Did you know, only about 1% of the earth’s freshwater is available for use? You probably thought there was more of it available, right?

With the world’s population growing, water availability has become a challenge for most urban dwellers. In light of this, water preservation should be a top priority for everyone.

To ensure your taps never run dry in the face of shortages or drought seasons, you should invest in water storage solutions. Underground water tanks are a great option for you to collect and store water for future use.

What are Underground Water Tanks?

Underground water tanks are storage tanks fitted permanently, allowing you to store water for later use. They are easy to maintain and safe for the environment.

Advantages of Below The Ground Fixing of Concrete Water Tanks

Having a tank safely fitted underground allows you to get and store rainwater or water from other sources. The tank safely stores the water with no spillage risks.

Rainwater harvesting is an environmentally friendly practice that is being adopted by many people worldwide. It helps:

  • Prevent runoff
  • Provide chemical-free water 
  • Conserve water for later use 
  • Save money as you utilise less municipal water 

An underground water tank allows you to collect rainwater for your household easily. Plus, installing a tank will add value to your property and is, therefore, a worthwhile investment.

Australia is prone to drought and seasons of sweltering heat. These result in hosepipe bans and water rationing, affecting your thriving garden and preventing you from using your washing machine whenever you like. You will not be affected by any municipal limitations when you have a water storage tank with a surplus supply.

An underground water reserve is also a valuable home safety feature in the face of a fire outbreak, a prevalent occurrence in the Australian context. You can quickly respond to a fire and save your home from disaster.

Installation of Concrete Underground Water Tanks

The task of getting a concrete tank fixed on your property is no mean feat and requires a proper assessment before installation. Underground tanks should only be fitted by adequately qualified personnel to meet minimum legal requirements under the Building Code of Australia.

Although purchasing a concrete tank is pricey in the short term, it will save you costs in the long run as the tank won’t need a replacement any time soon compared to plastic or fibreglass alternatives. Plus, you may potentially qualify for rebates, which will offset the costs incurred.

A concrete tank can be manufactured on or off-site. However, if you choose to have it built off-site, pick a reputable company to do that.

The installation process is summed up as follows:

  1. An excavator digs a hole to fit the dimensions of your tank
  2. The tank is delivered, and a crane places the tank into the hole
  3. An earthmover backfills the hole

Regular Checks and Maintenance

Although underground concrete tanks do not require much maintenance, conduct periodic checks to keep your tank in good condition. Below are some of the recommended reviews:

  • Flush the tank at initial installation. Additionally, if the water tastes unusual or worried about contamination, you may flush your tank
  • Every two years, check for sedimentary deposits in your tank.
  • The backflow prevention valves should be checked for proper functioning annually by a qualified plumber.


Concrete underground water tanks are a worthwhile purchase that will save you headaches about water availability for your home. Be in control of your water supply while saving money and the environment.

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