10,000 litres of water is needed to produce one kg of cotton.

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Notes:

This information is found in Water Footprint Network and cites this report, https://waterfootprint.org/media/downloads/Mekonnen-Hoekstra-2011-WaterFootprintCrops.pdf. But NSI was not able to find this figure in the report. NSI has reached out to the author of the report for clarification, but has not heard back.

Primary Source:

2011 - https://waterfootprint.org/media/downloads/Mekonnen-Hoekstra-2011-WaterFootprintCrops.pdf

Secondary Source:

https://waterfootprint.org/en/resources/interactive-tools/product-gallery/

Cotton, Water, FiberMaxine BedatOrangeComment