Abstract
Diminishing in the quality of lake water is one of the emerging serious threats for the last few decades. The lakes occupied in the vicinity of cities and towns receive more anthropogenic activities under which the six stations, are Perur (L1), Selvachinthamani (L2), Ukkadam (L3), Kurichi (L4), Valankulam (L5) and Singanallur (L6) lakes of Coimbatore, Tamil Nadu, India was chosen for the study. The sampling stations are selected based on their location and susceptibility to anthropogenic pressures. The main objective of this work is to investigate and monitor the changes that occurred in the Physico-chemical and Heavy metal of surface water in selected lakes under pre-monsoon period are followed based on the procedure proposed by APHA and NEERI. In Physico-chemical and heavy metal analysis, the Singanallur lake showed higher concentration for most of the parameter and the Perur as the minimum. The concentration observed in the other lakes ranges moderate. All the sample concentration of the lakes are compared with the standards of WHO, BIS and EPA. Deterioration in the quality of water was observed that may be due to the dumping of domestic sewage and pressure extended due to the increased Urbanization.
Published Version
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