Guwahati, August 13: Guwahati’s popular Lokpriya Gopinath Bordoloi International Airport has strengthened its rainwater harvesting initiatives. Officials reported that in July, approximately 28% of the total water used in the airport’s new Terminal-2 was sourced from rainwater.
This initiative is part of the airport’s comprehensive sustainability plan aimed at making the facility water-positive through the collection, purification, and reuse of rainwater.
According to officials, Guwahati receives about 1,800 to 2,200 mm of rainfall annually, presenting a significant opportunity for rainwater harvesting. As of August 9 this year, 1,320 mm of rainfall has already been recorded.
To facilitate rainwater collection, two large tanks with a combined capacity of 1,000 kiloliters have been constructed at the airport. The collected water is purified at the airport’s water treatment plant and is utilized for various functions.
This water is used for drinking fountains, cleaning equipment, and cooling towers. For potable use, the rainwater undergoes several purification stages to meet established drinking water standards.
Officials stated that this initiative aims to reduce reliance on external water sources and enhance the effective use of rainwater, especially as passenger numbers and infrastructure at the airport continue to grow.
This initiative is also deemed crucial due to the high water demand for passenger amenities, maintenance, cooling systems, and daily operations at the airport. Increasing the use of rainwater will alleviate pressure on traditional water sources and enable better resource management.
Lokpriya Gopinath Bordoloi International Airport has long been engaged in various programs promoting responsible resource use and environmental conservation. Officials assert that this rainwater harvesting system is a significant step toward creating a more sustainable and resilient airport ecosystem, which will also meet the growing water needs of Guwahati’s expanding aviation infrastructure.
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