title: Pesticide residue in water--a challenging task in India.
abstract: Modern agriculture practices reveal an increase in use of pesticides to meet the food demand of increasing population which results in contamination of the environment. In India, crop production increased to 100 %, but the cropping area has increased marginally by 20 %. Pesticides have played a major role in achieving the maximum crop production but maximum usage and accumulation of pesticide residues is highly detrimental to aquatic and other ecosystem. Pesticide residues in drinking water have become a major challenge over the last few years. It has been monitored in public water supply resources in National capital territory, i.e., Delhi. Organochlorine pesticides (OCPs), mainly isomers of hexachlorohexane (HCH), dichloro-diphenyl-trichloroethane (DDT), endosulphan, endrin, aldrin, dieldrin, and heptachlore, were identified from potable water samples. Results suggested that continuous consumption of contaminated water can pose severe health threats to local residents of this area. Central Pollution Control Board (CPCB), Delhi, had found α and β isomers of endosulphan residues in the Yamuna river. High concentrations of γ-HCH (0.259 μg/l) and malathion (2.618 μg/l) were detected in the surface water samples collected from the river Ganga in Kanpur, Uttar Pradesh (UP). High concentration of methyl parathion, endosulfan, and DDT were observed in water samples collected from the river at Bhagalpur, Bihar. The Industrial Toxicology Research Centre (ITRC), Lucknow (UP) study also found 0.5671 ppb concentrations of endosulfan in the river at Allahabad, UP. Similar results were found in other water samples in India.
authors: Institute of Pesticide Formulation Technology, Ministry of Chemicals & Fertilizers, Government of India, Sector-20, Udyog Vihar, Gurgaon, 122016, Haryana, India.
authors: Akriti
authors: A
authors: Agarwal
authors: Rajmani
authors: R
authors: Prajapati
authors: Om Pal
authors: OP
authors: Singh
authors: S K
authors: SK
authors: Raza
authors: L K
authors: LK
authors: Thakur
mesh_terms: D000383:Agriculture / Q000706:statistics & numerical data; D000452:Aldrin / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D004726:Endosulfan / Q000032:analysis; D004784:Environmental Monitoring; D006843:Hydrocarbons, Chlorinated / Q000032:analysis; D007194:India; D008294:Malathion / Q000032:analysis; D010573:Pesticide Residues / Q000032:analysis*; D010575:Pesticides / Q000032:analysis; D045483:Rivers / Q000737:chemistry; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014877:Water Pollution, Chemical / Q000032:analysis / Q000517:prevention & control* / Q000706:statistics & numerical data; D014881:Water Supply / Q000706:statistics & numerical data
chemical_list: D006843:Hydrocarbons, Chlorinated; D010573:Pesticide Residues; D010575:Pesticides; D014874:Water Pollutants, Chemical; D004026:Dieldrin; D004726:Endosulfan; D000452:Aldrin; D008294:Malathion
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