Tanks Vastu: Guidelines of Vastu for Underground Tanks and Septic Tanks

Are you searching for the guidelines of Vastu for tanks? If yes, here is a brief article that sheds some light on the Vastu Shastra rules that need to be followed while building underground tanks and septic tanks at your home.

Underground Tank Vastu Guidelines

Due to the scarcity of water in recent times, the importance of building underground water storage tanks/units is increasing day by day.

If you are planning to build an underground tank near your house, here are some rules that have been laid out by Vastu Shastra scriptures which you need to follow.

Vastu Shastra has set clear guidelines about constructing water storage tanks near our residence following which ensures maximum possible positive energy from these underground tanks.

tank vastu

Location of Underground Tanks According to Vastu

The most appropriate location for the construction of an underwater tank is at the North-East corner of your house. But please remember that it is the best place for the construction of underwater storage but not for overhead tanks.

The underground water tank should be constructed in such a way that it does not come in contact with the Northern or the Eastern compound wall of your house. Also, the underground tank should not lie on the imaginary diagonal line that connects the North-East corner to the South West corner of the land.

What Happens When An Underground Tank Is Built In The Wrong Direction?

If an underground tank for water storage is built in the South East or the South West zones of the land, it can cause chronic diseases to family members and also may cause death in some cases.

Underwater tank in the North West direction gives rise to family problems and unstable relationships. If it is in the South, it may cause illness to the female members of the family whereas the underground tank in the West may bring illness to male members of the family.

So the most appropriate place for an underwater tank according to Vastu is strictly in the North-East zone of the plot.

Vastu Guideline for Rain Water Exit

The point at which the rainwater exits from the house or the plot is naturally at a lower level than the other parts of the plot. So the Vastu effect that results from the construction of a rainwater exit point is similar to those given by an underwater storage or a well. Here’s how it works.

North East

Rainwater exit point in the North East brings wealth and comfort to the residents of the house.


Rainwater exit in the eastern direction improves the status of the health of the family members and also brings fame to the male members of the family.

vastu for water exits

South East

Women of the family may suffer physically and mentally. It also brings in financial distress.


It causes diseases to the females of the family and also results in unnecessary expenses.

South West

This is the worst position for the construction of a rainwater exit. It causes ill health, loss, and fights in the family.


Rainwater exit in the west direction may result in enemies, bad reputation, and fights.

North West

Rainwater exit in the northwest may result in plenty of guests at home which may cause frequent expenditures in the family. It also disturbs the peace and harmony of the family.


Rainwater exit in the North is a very good feature according to Vastu. This brings a lot of wealth and prosperity to the family.

Septic Tank Vastu

This is a topic that has a lot of differences in opinion among Vastu experts. This is because septic tanks were not the norm during ancient times when Vastu Shastra was written.

A lot of Vastu experts agree that the most appropriate place for a septic tank is in the center of the North or the center of the East. Some experts believe that North West is also best suited for the septic tank.

However, all of them agree that it is not good to build a septic tank in the South East, South West or the North East. And also septic tanks should not touch the compound walls.