Types of Water Storage Tanks

water storage tanks

If you need to store or harvest rainwater, there are a variety of storage tanks that you can choose from. However, not all tanks are suitable for drinking water as they can contaminate the water; some are only suitable for storage of cleaning or farming water. Information on the various types of water tanks available and their function is important.

Fibreglass Tanks

Fibreglass is a material that does not destroy, which makes it suitable for use by commercial industries. The container is most suited as an underground water tank as it has the potential to hold large amounts of water from different sources including stormwater or wastewater. Installing the tank under the ground leaves space above ground for other activities or light installations.

Folding Tanks

These types of tanks provide a good option when travelling or when you intend to set camp. They are easy to transport, set up and fold after use. When they are not in use, they collapse into a smaller size that is easily portable.

Pillow Tanks

Although the name is strange, these tanks are very versatile. They are compact and can also hold large amounts of water, up to 75,000 litres, despite them costing less than other types of tanks. A significant advantage of this tank is that you can set it up alone.


Bolted Steel Tanks

These come in large sizes as they hold a minimum of 500,000 litres of water. These tanks are ideal for farming where a constant supply of water is needed. The bolted steel tanks can hold thousands of litres of harvested rainwater for the dry season. Water utility companies also use the tanks to store water for their clients when there are shortages from other supplies. The bolts are watertight and the structure can withstand water pressure.

Polyethylene Tanks

These are plastic tanks that are ideal for someone on a budget. They come in several sizes; hence, anyone can purchase one according that meets their needs. Most of the tanks are dark in colour which makes them ideal for storage of drinking water. The dark opaque colour does not let in the sunlight; hence, there is no growth of algae in the water.

Polyethylene water tanks are also safe for storing drinking water as they do not rust. The design of the tank keeps the tank free from corrosion.

Concrete Tanks

A concrete water tank is a permanent solution to water storage needs. Most of the people that have concrete water tanks have them installed in-ground. Since it is bulky and big, it is better placed below the ground where the weight is dissipated into the ground. Water in a concrete tank is the safest in comparison to other types of tanks. Concrete absorbs the acid that rainwater collects from roofs and neutralizes the pH. 

Also, the tank maintains the water temperature at optimum levels. Radiation from the sun has little effect on the temperature of the water. Since the water is underground and away from sunlight, there is no bacteria growth. The water in a concrete tank is completely safe for home use.  Considering the various tank options available, you cannot fail to find one that meets all your needs. Make sure you consult a professional to help you install the tank you want.

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About the Author: Rohit Puri

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