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Free check · Goa · sources up to 2026

Is rainwater harvesting mandatory for your building in Goa?

Mandatory for residential complexes/apartments on 2,000 sq m+; commercial on 1,500 sq m+; industrial on 10,000 sq m+. Answer a few questions about your plot to see whether it applies to you.

Building

Common buildings in Goa

The answer for typical plots, new buildings, roof taken as 70% of the plot. Use the checker for your own sizes.

BuildingAnswer
House on a 100 sq yd (gaj) plotCheck locally
House on a 200 sq yd plotCheck locally
House on a 300 sq yd plotCheck locally
Villa on a 500 sq yd plotCheck locally
Apartment block on 1,500 m²Not mandatory
Shop or office on 400 m²Not mandatory
School on 4,000 m²Likely mandatory
Factory on 10,000 m²Mandatory

For an existing building, tick the box in the checker: most rules are written for new buildings.

The rule in Goa

Goa's rainwater harvesting policy, notified in December 2022, makes rooftop RWH mandatory for residential complexes and apartments on plots of 2,000 sq m or more, commercial complexes on 1,500 sq m or more, industrial units on 10,000 sq m or more, and all government buildings. Buildings that already have a sewage treatment plant or greywater recycling are exempt. Ordinary individual houses on smaller plots are not covered.

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Rainwater harvesting cost in Goa

Pick your district for the price of a recharge system for your building.

Frequently asked questions

Is rainwater harvesting mandatory in Goa?

Mandatory for residential complexes/apartments on 2,000 sq m+; commercial on 1,500 sq m+; industrial on 10,000 sq m+. Goa's rainwater harvesting policy, notified in December 2022, makes rooftop RWH mandatory for residential complexes and apartments on plots of 2,000 sq m or more, commercial complexes on 1,500 sq m or more, industrial units on 10,000 sq m or more, and all government buildings. Buildings that already have a sewage treatment plant or greywater recycling are exempt. Ordinary individual houses on smaller plots are not covered.

Is rainwater harvesting mandatory for a 200 gaj house in Goa?

Not clear from the state rule: check with your local authority. Goa Rainwater Harvesting Policy (gazette notified December 2022; first policy 2008) names group housing, commercial, industrial, government; it does not clearly cover a house. Ask your municipal body before you build.

How do I check if my building in Goa needs rainwater harvesting?

Enter your plot area, roof area and number of floors in the checker on this page, in square feet, square yards (gaj) or square metres. It compares them with Goa's rule, Goa Rainwater Harvesting Policy (gazette notified December 2022; first policy 2008), and tells you whether it applies and why.

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