Filling the biosand filter with ground source water

Muna Thapa fills the biosand filter with water collected from a ground source pump. Gravity will draw the water through a biological layer, then through layers of sand and gravel, removing 99% of bacteria in the process.

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Copyright: Copyright Gavin Gough. All Rights Reserved.
Image Size: 5515x3677 / 9.9MB; https://www.gavingough.com/copyright; https://www.gavingough.com/contact; Organisation Biosand Filter Development Not-for-profit Sharanamati Village Nepal Jhapa District Sanitation Working Nonprofit Charity Centre for Affordable Water and Sanitation Technology Work WASH Drinking Water Labour Clean Water Sharanamati Woman CAWST Female NGO Hygiene Non-profit Organization Non-governmental
Contained in galleries: Nepal Water

Muna Thapa fills the biosand filter with water collected from a ground source pump. Gravity will draw the water through a biological layer, then through layers of sand and gravel, removing 99% of bacteria in the process.