High nitrate content in water affects health

Once the primary source in the city, the putrid Vrishabhavati is now turning out to be the well of poison for the residents.

With much of the city’s waste accumulating in this river, it perhaps isn’t surprising that the contaminants have reached the groundwater. However, alarmingly, the nitrate contamination at Sonnenahalli and Kengeri have recorded levels nearly 12 times more than the permissible limit.

While the permissible limit for nitrate in 45 parts per million, Sonnenahalli has recorded 530 parts per million, says the Central Groundwater Board (CGWB). Officials said more than half of the city’s observed samples have tested for above permissible limits of nitrate contamination.

“The flow of large quantity of open sewage and inefficient solid waste management has led to contamination in the groundwater system,” explains K.R. Soorya Narayana, scientist and head of CGWB.

A doctor in Victoria Hospital said that owing to high nitrate content in water, there was an increase in the number of patients with complaints of problems related to kidney and liver. He added that high concentration of nitrates in water prevents the body from absorbing micro-nutrients, leading to complaints of hair fall and skin diseases.

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Printable version | May 18, 2022 11:46:43 pm |