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The guidelines specify work to be done in terms of surveillance and monitoring at the State, district, block/tehsil, and village levels.
The basic water quality parameters prescribed under the guidelines are pH value, total dissolved solids, turbidity, chloride, total alkalinity, total hardness, sulfate, iron, total arsenic, fluoride, nitrate, total coliform bacteria, e.coil or thermo-tolerant coliform bacteria.
The guidelines have been prepared in consultation with the Indian Council of Medical Research (ICMR).
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He said the total cost of the Jal Jeevan Mission is Rs 3,60,000 crore and 2 per cent of it has been dedicated to the quality of water.
According to a 2018 assessment by the Central Ground Water Board, 52 per cent of all the blocks in the country have inter alia any one of the geogenic contaminants like arsenic, chloride, fluoride, iron, nitrate, and salinity. Nearly 20 States in India have drinking water sources contaminated with arsenic, fluoride, nitrate, iron, salinity, or heavy metals.
Apart from these, there are 61 priority districts across five States identified by the Ministry of Health and Family Welfare which are affected by Japanese Encephalitis – Acute Encephalitis Syndrome (JE-AES).
Bharat Lal, Additional Secretary and Mission Director of National Jeevan Mission said the purpose of the exercise is to instil a sense of confidence about water quality and people can also test water quality.
He added that a database of 2,200 laboratories across the country has been prepared so that water quality can be tested. All the laboratories have been accredited by National Accreditation Board for Testing and Calibration Laboratories.