Key Government Initiatives

India’s Jal Shakti Ministry has allocated Rs 32,000 crore (US$3.56 billion) for water conservation, fueling rainwater harvesting nationwide.​
The “Catch the Rain: Jal Sanchay Jan Bhagidari” campaign, launched in 2024, has completed over 39.6 lakh artificial recharge structures like harvesting pits, borewell recharges, and shafts.
Goa now requires rooftop rainwater harvesting for all large residential, commercial, and government buildings.​
States like Tamil Nadu, Maharashtra, Delhi, and Rajasthan enforce RWH in new constructions, with subsidies up to 40% for retrofits.
Hyderabad mandates it for buildings over 300 sq m, while Karnataka amends bylaws for cities over 20 lakh population.

Groundwater Recovery Success

In Rajasthan’s Jaipur, rainwater conservation has revived wells dry for 20 years, now overflowing during rains and providing free water to residents.​
Nationally, over-exploited groundwater units fell from 17.2% to 10.8% in 2025, thanks to recharge efforts including rainwater harvesting.​
Urban areas like Bengaluru and Chennai are pushing mandatory systems to avert “Day Zero” crises and curb flooding.

State and Local Mandates

Goa now requires rooftop rainwater harvesting for all large residential, commercial, and government buildings.​
States like Tamil Nadu, Maharashtra, Delhi, and Rajasthan enforce RWH in new constructions, with subsidies up to 40% for retrofits.
Hyderabad mandates it for buildings over 300 sq m, while Karnataka amends bylaws for cities over 20 lakh population.