Pollution Research Paper

Vol 39, Issue 3, 2020; Page No.(769-777 )

SPATIAL ASSESSMENT OF ARSENIC AND IRON CONTENT IN WATER SOURCES OF LAKHIMPUR DISTRICT, ASSAM, INDIA

MRIDUL BURAGOHAIN, NILAKHI KAKOTI, SUMAN RAJ MAHANTA, PUJA SARMAH, BHABA KUMAR PEGU AND MANASH PRATIM DUTTA 1

Abstract

The present study was carried out to investigate the spatial and seasonal assessment of arsenic and iron content in water sources of Lakhimpur district of Assam (India), an adjoining region of the West Bengal and Bangladesh borders. The study revealed that 11.11% of analyzed water samples were contaminated by arsenic (WHO; 10 µg/L for potable water). The most badly affected areas were Ghilamara and Boginodi development blocks. The highest arsenic concentration was recorded 12.46 µg/L at the sampling point, H-1. With respect to iron the water samples of the study area were highly contaminated by iron as 74% of analyzed water samples exceed the WHO drinking water standard (0.3 mg/L).

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