Water quality in Delhi is on alarming situation, as per a recent Lok Sabha secretariat reports east and northeast districts of Delhi are undergoing arsenic contamination of groundwater, furthermore

Continuously flooded rice systems are a major contributor to global rice production and food security. Allowing the soil to dry periodically during the growing season (such as with alternate wetting and drying irrigation - AWD) has been shown to decrease methane emissions, water usage, and heavy metal accumulation in rice grain. However, the effects of AWD on rice yields are variable and not well understood.

In middle Gangetic plain, high arsenic concentration is present in water, which causes a significant health risk. Total 48 morphologically distinct arsenite resistant bacteria were isolated from middle Gangetic plain. The minimum inhibitory concentration (MIC) values of arsenite varied widely in the range 1–15 mM of the isolates. On the basis of their MIC, two isolates, AK1 (KY569423) and AK9 (KY569424) were selected.

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Order of the National Green Tribunal in the matter of Gaurav Kumar Bansal Vs State of Uttar Pradesh & Others dated 29/01/2018 regarding arsenic contamination of groundwater, Sambhal, Uttar Pradesh. Counsel appearing on behalf of respondent UP Jal Nigam submits that no water samples from borewells within the limits of Sambhal Nagar Palika were collected, and such water samples will be collected and analyzed in due course.

JOHANNESBURG - "Look at my spinach. That is the sand from the mine. The yellow one in the soil -- it's destroying everything," said Thabo Ngubane as he tended his small allotment in Soweto.

Question raised in Lok Sabha on Contaminated Drinking Water, 21/12/2017. State / UT-wise number of fluoride, arsenic, iron, nitrate, salinity & heavy metals affected habitations including Bihar and West Bengal States, as reported by the States into Integrated Management Information System (IMIS) of the Ministry as on 19th December, 2017 is at Annexure-I. State / UT-wise number of habitations in the category of fully covered, partially covered and quality affected, as reported by the states into IMIS of the Ministry as on 19th December,2017 is at Annexure-II.

Question raised in Rajya Sabha on Areas affected by arsenic contaminated water, 18/12/2017. State /District / Union Territory wise number of arsenic affected habitations in the country as reported by the States in Integrated Management Information System (IMIS) of the Ministry as on 13th December, 2017 is at Annexure.

Order of the National Green Tribunal (Eastern Zone Bench, Kolkata) in the matter of Subhas Datta Vs State of West Bengal & Others dated 27/10/2017 regarding arsenic contaminated areas in West Bengal. Subhas Datta the Applicant has filed an affidavit highlighting the specific arsenic contaminated areas for conducting survey on the plight of the people living there and names of some experts, which is ordered to be taken on record.

Circulating metals from both the natural environment and pollution have been linked to cardiovascular disease. However, few prospective studies have investigated the associations between exposure to multiple metals and incident coronary heart disease (CHD).

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Arsenic contamination in shallow groundwater aquifers remains a major barrier to providing access to safe drinking water in Bangladesh. Chronic exposure to arsenic has been shown to cause serious health impacts, including various cancers, skin lesions, neurological damage, heart disease, and hypertension.