How to maintain your underground rainwater tank

The proper storage of water is critical and having an underground water tank is an excellent investment for your home or farm. This valuable asset can hold sufficient clean water that you can use, and now that rain is a free resource, why not use this to your advantage. Thus, with the tank, you get a two in one bargain, that is a constant supply of fresh water and one that does not cost you much as you will stop your reliance on the council water. Therefore, since these tanks can offer you such favourable benefits, how can you properly maintain it so that you can enjoy its use for longer?

We have highlighted some of the key ways you can maintain your underground water tank.

Ensure that you always clean your roof

Remember we are collecting rainwater that you can freely use in your home, and this rainwater gets harvested to your water tanks through your roof. This is where the rainwater collection system is installed. To ensure you don’t collect any contaminants that could pollute your water, ensure your roof is kept clean. The gutters will need to be free of leaves and any other debris that might have collected. A proper system will be able to direct the first flush of water away from your collection pipe; then after a few minutes, the clean water runs to your storage tank.

Your tank will also need some cleaning.

Having a dirty tank will increase the risks of chemical corrosion; this is through the collection of different contaminants overtime. Thus, a proper clean out of your tank is essential as this immediately restores it to its hygienic state. Since you have installed an underground tank, you should get professional help when cleaning and try to do this after every two to three years.

The hatch needs to be kept closed.

The hatch will ensure no individual or pets to accidentally fall inside; additionally, it keeps your water clean as no contaminants get into the tank. And with minimal light exposed to your tank, it will discourage any growth of mould or even bacteria. As a result, ensure that the hatch is sealed off completely.

Perform component checks regularly

As we know, wear and tear could affect the functionality of some components; this is the likes of the pump and filters that you have connected. Regularly check the pump and ensure it has sufficient power to run effectively. As for the filters, these need to be cleaned regularly; this helps in clearing the accumulation of sediments from water. A proper inspection of these two components will help to detect any defects in good time.


Having a water tank is a beneficial investment for any home; the thought that you always have fresh water running through your tap is full filling. Not forgetting you can enjoy this resource at no extra cost as you are harvesting rainwater. This has helped reduced monthly bills in many homes, so how about getting one if you don’t already have one installed.

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