Underground water tank location as per science

By oriplast |  December 5, 2022 |  No comments |  2903 views

There is a constant demand for drinking water in our households, be it in cities or villages. We cannot rely on municipal supply for round-the-clock supply; it requires installing underground water storage tanks to reserve excess water. The size varies from as low as a few hundred litres to as big as thousands of gallons. Most of these tanks are constructed by digging a pit closer to a building and installing prefab PVC underground water tanks. But which should be the correct location for installing underground water tanks? There is a scientific way to decide it. Read on to learn more about where to place your underground water storage tank.

Many of us have already learned about Vastu guidelines on architecture and civil construction of residential, commercial and industrial buildings. But it is an ancient repository of knowledge based on certain presumptions. What does today's science tell us about choosing an underground water tank location? Let's have a look.

What is the size of the tank?

The first and foremost consideration is the size of the water tank you need. Everything depends on it. Usually, a residential underground water tank serving a small family household requires storing at least 1000 to 3000 litres of water. A standard Ori-Plast underground PVC water storage tank will require digging out a pit of 1.8 meters in depth and 1.5 meters in diameter.

Where do you have this much open space?

How close is the location to the water supply and distribution plumbing line? Laying long supply pipelines involves enormous costs and reduces water pressure at outlets. So, storage tanks should not be placed far from the building's main water supply plumbing system; otherwise, you may need to spend electricity for pumping and maintaining water pressure across the building.

Is there any sewer nearby?

Ori-Plast's underground PVC water tanks are anti-corrosive, chemical-resistant and offer excellent protection from surrounding seepages. However, if possible, installing underground water tanks away from sewers is advisable. It helps to avoid accidental damage to any of the systems.

How far is the foundation of the building?

We should try to avoid digging underground water storage pits closer to building foundations. Modern-day concrete building foundations are massively strong. The closeness of the underground tank and the building's foundation may cause future troubles, like damaging foundation concrete while repairing underground tanks.

What is the soil structure?

Some soil structures and rock formations are unsuitable for digging deeper and installing big water storage tanks. Loose rocks can cave in and put unnecessary structural pressure on an underground tank. Soil with excessive water retention capacity may increase the chances of corrosion over time.

Is there any underground electric supply cable?

Many municipal areas have underground electricity supply cables. You must stay away from building water supply lines and storage tanks near these areas.


It is crucial to place your underground water storage tank as per scientific principles. It will help you store water safely for long periods, promote a healthy lifestyle, and save money. Tell us about your experience with water storage tanks. Check if you are looking for PVC underground water storage tanks. Ori-Plast offers only the best quality water storage tanks of different sizes at value-for-money pricing.


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