Factors to Consider When Choosing an Underground Water Tank

Underground water tanks have proven to be an ideal water storage option. When they are well installed, they can be unobtrusive while remaining greatly useful. One of the main advantages drawn from the installation of an underground water tank is the increased capacity to conserve water to ensure a continuous supply.

Installing an underground water tank must be undertaken with thought given to several factors that would determine the success of the installation as well as the longevity of the tank itself. Some of these factors include:


There are many different types of underground water tanks often differentiated by the materials used in their construction. The most common materials used are concrete, plastic and metal. Each material has some advantages and disadvantages.

Metal tanks are durable and can withstand pressures from within the tank and outside. The main disadvantage with the metal, however, is that it is prone to rust and corrosion with time. This would become dangerous for the household as impurities would get into the water, rendering it unsafe for household use.

Concrete tanks are also very strong, and their size and capacity can be adjusted as needed, going up to immense proportions. Concrete is also naturally insulated, meaning that it can keep heat away from the stored water. This leaves the water cool even on the hottest of days.

Underground tanks made of plastic have become more prevalent as they are easier to source than other types. Although new creation methods are developed all the time, plastic tanks are still limited in their strength and size.


Before installing an underground water tank, you must take into consideration the amount of space that is available. This will often dictate the size of the tank you can feasibly purchase.


Different types of tank have different installation costs. Concrete tanks are often the most expensive to install as the process tends to be more involved. Plastics, on the other hand, are more reasonably priced and even with the need for reinforcement when putting them in, will yield the smallest overall cost demand when compared to metal and concrete.

Construction Needs

There will be some construction work involved when installing your new tank. The scope of this construction is affected multiple factors: the type of soil in your yard, the size of the tank to be installed and the extent, if any, of reinforcement required. Soil types vary in their behaviour as various environmental factors come into play. These characteristics can have significant effects on the tank with time. It is, therefore, vital to have an in-depth understanding of the type of soil that will be surrounding the tank and to account for its shortcomings.

Primary Use

You should factor in the primary use for the water that will be stored in the tank. Some tanks are specifically designed for specific purposes and are labelled as such by the manufacturer. This distinction would make it easier to maintain the health of your family as there is less chance of contamination if the water was meant for household use. Your underground water tank can be a beneficial addition when installed by an expert conversant with the best practices. Contact a reputable expert to get the needed advice today.

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