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groundwater contamination

New Delhi | Jan 25, 2019

Study by researchers from the CUH, JNU, New Delhi, and NBSS & LUP, New Delhi, provides more evidence on the groundwater contamination in the Upper Gangetic basin.

General, Science, Health, News
Oct 31, 2017

Flooding in urban areas in a major threat to life and property. While there is a focus on immediate relief to the victims after the flood, long term effects of the flood need to be explored in more depth. In a recent study, an international team of scientists explores the aftermath of the floods in Chennai in 2015 with regards to the potability of groundwater. The team shows that even five months after the floods the groundwater is still unsafe for human consumption due to heavy metal and microbial contamination. 

General, Science, Ecology, Health, Society
Jul 13, 2017

Prof. Sudhakar Rao's research team: Mogili Nitish V, Lydia Arkenadan & Ananth Nag.R (from L to R)

While open defecation has well known health risks, toilets with sewage pits come with their own drawbacks. One of them is the contamination of ground water due to sewage leachate -- the water that seeps into the soil from the pit and has extremely toxic levels of nitrates, ammonium and organic carbon. These toxins are known to contaminate ground water making it unfit for drinking. Now scientists have designed a twin-pit toilet system that reduces the levels of nitrates, ammonium and organic carbon in the sewage water before it is being absorbed by the ground. This treated water, the researchers say, have low levels of toxins, making it safe and saving water bodies from contamination due to sewage.

General, Science, Technology, Health, Society
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