Rainwater Harvesting System Design & Cost for Assam Homes

Published on September 21, 2026 by Er. Rupam Baruah • 6 min read

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Key Takeaway: Rainwater Harvesting System Design & Cost for Assam Homes

Harvesting Assam's abundant 2,800mm annual monsoon rainfall provides free water for gardening, flushing, and borewell groundwater recharge. Learn how to install a 5,000-liter rooftop rainwater filtration plant.

Harvesting Assam's abundant 2,800mm annual monsoon rainfall provides free water for gardening, flushing, and borewell groundwater recharge. Learn how to install a 5,000-liter rooftop rainwater filtration plant.

Rooftop Collection & Dual Filtration Setup

Rainwater from roof gutters passes through a multi-layer gravel-sand-charcoal filter before storing in underground sumps or recharging the main borewell.

Frequently Asked Questions in this Article

Q: How much does a residential rainwater harvesting system cost in Assam?

A: A basic 3,000 to 5,000 liter rooftop filtration system costs between ₹35,000 and ₹65,000.

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