Rainwater harvesting rules · sources up to 2025

Rainwater harvesting rules in Assam

The Assam Unified Building Construction (Regulation) Bye-laws, 2022 say every building must have one or more rainwater harvesting structures for rooftop runoff. They apply in master-plan and notified planning areas, except Autonomous Districts. Guwahati has required RWH since its 2014 building bye-laws, and earlier GDA bye-laws set a 100 sq m threshold.

Mandatoryfor new buildings

every building (2022 bye-laws); earlier Guwahati rule: buildings of 100 sq m and abovewhere the rule starts

Assam Unified Building Construction (Regulation) Bye-laws, 2022 (gazette 15 Oct 2022)the rule

Does it apply to your building?

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What the rule says

Applies to	residential, commercial, government

City rules in Assam

Guwahati

RWH has been mandatory under the Guwahati Building Construction (Regulation) Bye-laws, 2014. Before that, Guwahati Development Authority bye-laws covered buildings of 100 sq m and above.

Sources

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

Rainwater harvesting cost in Assam

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Frequently asked questions

Is rainwater harvesting mandatory in Assam?

Which buildings need rainwater harvesting in Assam?

every building (2022 bye-laws); earlier Guwahati rule: buildings of 100 sq m and above: residential, commercial, government.

What are the rainwater harvesting rules in Guwahati?