Rainwater harvesting rules · sources up to 2026

Rainwater harvesting rules 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.

Mandatoryfor new buildings

residential complexes/apartments on 2,000 sq m+; commercial on 1,500 sq m+; industrial on 10,000 sq m+where the rule starts

Goa Rainwater Harvesting Policy (gazette notified December 2022; first policy 2008)the rule

Does it apply to your building?

Enter your plot and roof size to check against Goa's rule.

What the rule says

Applies to	group housing, commercial, industrial, government
Rebates and subsidies	The 2008 policy offered a 50% subsidy of Rs 50,000 to Rs 2.5 lakh (current status not confirmed)

Sources

Rules change and cities add their own. Check with your municipal body or development authority before you build.

Rainwater harvesting cost in Goa

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Frequently asked questions

Is rainwater harvesting mandatory in Goa?

Which buildings need rainwater harvesting in Goa?

residential complexes/apartments on 2,000 sq m+; commercial on 1,500 sq m+; industrial on 10,000 sq m+: group housing, commercial, industrial, government.

Is there a subsidy or rebate for rainwater harvesting in Goa?

The 2008 policy offered a 50% subsidy of Rs 50,000 to Rs 2.5 lakh (current status not confirmed)