underground water tanks south africa

Underground Water Tanks

The use of underground water tanks in South Africa has become popular in recent years. One of the main reasons for this the amount of space these underground storage tanks need. Another reason is storing your water underground keeps it safe from vandals while keeping it cooler. In dry climatic regions where bushfires can occur, these underground rainwater tanks are protected from potential fire hazards.

(300 litre) (500 litre) (1000 litre) (2500 litre) (4500 litre) (10000 litre)

The design of the underground water tanks has been extensively tested using the rotational moulding process. Manufacturing the product this way with its ribbed design gives the water tanks exceptional strength. Which is what you want when burying the tank underground.

You can store a wide variety of liquids in these water tanks. They are also used to store waste in agricultural, industrial, commercial and domestic applications in Johannesburg, Pretoria, Durban and Western Cape.

Advantages of Underground Water Tanks

There are many advantages to using the underground tank over the above-ground tanks in South Africa.


  1. These tanks can be used in areas where space is very limited.
  2. If you don’t like the look of the tank above ground then these would also work well for you.
  3. Having your water stored underground also protects the water. It’s hidden from view.
  4. In extremely hot and cold climates, having your water stored underground can be beneficial.


When choosing a water tank, make sure you use a high-quality tank. Cheaply made underground water tanks can become weak over time. Even collapse while buried underground. In South Africa, we would recommend using the 6000-litre underground water tanks.

Read more on water tanks for sale

How to Save Water in South Africa

When dealing with the water scarcity problem we are facing in South Africa, there are a number of different ways to save water. Out of all the water saving methods, rainwater harvesting is by far the most effective. It’s also the most suitable method for many homeowners. By putting these water conservation methods into practice we can save our water resources for generations to come.

We should be taking steps to educate our families and children on the different water conservation methods that can be used.


  1. Make sure taps are turned off properly after use.
  2. Use a sprinkler system to water your lawn and fruit trees cape town
  3. Repair all household leaking water pipes
  4. Harvesting rainwater for later use
  5. Keep existing river water safe for future use

Why Choose Polyethylene Underground Water Tanks?

As mentioned before, the use of underground water tanks has become more popular in recent years because of its ability to save space in your garden. Not all homes in South Africa have ample space to store above ground water tanks. The Polyethylene tanks are very strong and hardy with increased strength.

Remember that storing water can help save your garden through the long summer months when water is low. It can also be used around your house for:


  1. Topping up pools
  2. Washing cars, bikes and equipment
  3. Watering the garden
  4. Washing clothes


Using proper water storage solutions will minimize the amount of water used by your household. Saving water and a huge water bill at the end of every month. Plastic or polyethylene (poly) is a very strong material used to make these tanks. Its durable and lasts a very long time once installed. They come in a variety of sizes and shapes to suit your needs.

Read more on greywater recycling

Underground Tank Tips

There are a few guidelines to follow when installing underground water tanks at your residential, commercial or industrial property. You need to plan properly and budget for the water tanks required for your situation. Make sure you follow the guidelines below.


  1. Check with your council about the regulations for the water tanks
  2. Find out the exact installation and maintenance costs.
  3. Make sure to use a professional installer
  4. Consider the amount of rainfall in your area
  5. Consider the size of your roof for catching the water