HEAVY METAL CONCENTRATION IN VAIGAI RESERVOIR AND PICKUP DAM WATER, THENI DISTRICT, TAMILNADU

Q4 Environmental Science

Pollution Research Pub Date : 2022-09-30 DOI:10.53550/pr.2022.v41i03.025

M. Thamaraiselvi, V. P., N. T.

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Abstract

The present investigation was aimed to analyse the water quality from Vaigai reservoir and pickupdam during 2017-2018. Heavy metals such as aluminum, cadmium, chromium, cobalt, copper, iron,nickel, lead and zinc were analysed in Vaigai reservoir and Pickup dam during 2017-2018. Ironshowed to be high followed by nickel and chromium in Vaigai reservoir while chromium was highfollowed by iron in Pickup dam. The maximum and average value of heavy metals present wasiron followed by chromium at both the sites. Among the heavy metals content, the lowest metalfound in these sites was zinc. In these sites aluminum, cadmium, chromium, iron, nickel and leadwere beyond the acceptable and permissible limits, while cobalt and copper were beyond theacceptable but within permissible limits. The highest average was chromium in Pickup dam andiron in Vaigai reservoir. Aluminium, cadmium, copper, nickel and lead are >5 and so it wasseriously affected based on the categories of water pollution index in both the sites. Metal contentin the study sites were found to be in the order of magnitude in Vaigai Reservoir as -Cd>Ni>Pb>Cr>Cu>Al>Fe>Zn and in Pickup Dam- Cd>Ni>Cr>Pb>Cu>Al> Fe>Zn.

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泰米尔纳德邦泰尼地区vaigai水库和蓄水坝水中重金属浓度

本调查旨在分析2017-2018年Vaigai水库和pickudam的水质。2017-2018年，对瓦伊盖水库和皮卡大坝的铝、镉、铬、钴、铜、铁、镍、铅和锌等重金属进行了分析。Vaigai水库的铁含量高，其次是镍和铬，而Pickup大坝的铬含量高，然后是铁。在这两个地点，重金属含量的最大值和平均值都是铁，其次是铬。在重金属含量中，在这些地点发现的最低金属是锌。在这些地点，铝、镉、铬、铁、镍和铅超出了可接受和允许的限度，而钴和铜超出了可接收但在允许的限度内。平均值最高的是皮卡大坝的铬和瓦伊盖水库的铁。铝、镉、铜、镍和铅含量均大于5，因此根据两个场地的水污染指数类别，受影响严重。研究地点的金属含量在瓦盖水库为-Cd>Ni>Pb>Cr>Cu>Al>Fe>Zn，在皮卡大坝为-Cd>Ni>Cr>Pb>Cu>Al>Fe>Zn。

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Pollution Research Environmental Science-Water Science and Technology

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期刊介绍： POLLUTION RESEARCH is one of the leading enviromental journals in world and is widely subscribed in India and abroad by Institutions and Individuals in Industry, Research and Govt. Departments.