What is a Sump? Location of a Sump in a Plot with capacity Calculation for a residence.


What is a Sump? Location of a Sump in a Plot with capacity Calculation for a residence.




A sump is an underground (or partially underground) tank that is popular in India. It is usually used for large water tank storage and can be built cheaply using cement-like materials. It is usually part of a rainwater harvesting system, where the rainwater gets channeled into the tank, then pumped out for use.




  • In the east of north-east and north of north-east is most beneficial. 
  • Avoid constructing sumps in the south-east, north-west, and in south-west corners of the plot. 
  • An underground sump should not be constructed at the center of the plot at any cost.

  •  It will be ideal if the location of the sump is at the front portion of the home like an area below the car porch. 
  • It is also advisable to have the underground sump close to the main roads where the water lines pass through as it will be easy to give a connection.













  • Minimum capacity - 3 days
  • Maximum capacity - 5 days


Therefore, the recommended sump capacity for a 600 sq ft house is between 1200 and 2000 liters.






















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