Abstract
The present study concerns on physicochemical monitoring of the water quality nature and the extent of pollution in lake due to idol immersion. Pre-immersion and post immersion samples were collected from lake and analyzed for various water quality parameters such as pH, turbidity, total dissolve solid (TDS), total solid (TS) total suspended solid (TSS), conductivity phosphate, dissolved oxygen (DO), BOD, COD and oil & grease.
 The results were compared with standards prescribed by WHO and ISI. From the study, it has been found that the values of these parameters significantly increased during the immersion period and the declined in post immersion period. However the general trend observed was: immersion> Post immersion> pre immersion.The article focused on the main pollution which is caused by plaster of Paris idols and chemical paints by idol immersion during Ganesh festival.
Highlights
Our earth seems to be unique among the other known celestial bodies
The pH was analyzed by pH meter and it is found that values of.ph is increase in immersion period pH of water found alkaline
Present study shows that water pollution due to idol immersion bring change in hydro chemical properties and cause damage to aquatic ecosystem
Summary
Our earth seems to be unique among the other known celestial bodies. It has water which cover three fourth of its surface and constitute 60-70 wt% of living world. Water is one of the most essential component of life. Life, both animals and plants is impossible without water so there is need to protect the water resources from pollution and prevent the depletion of water resources. Pollution of water resources is a major problem in today' era. Festivals are an integral part of rich and diverse cultural heritage of India. Idol immersion activities during festival are adding to pollution load of water bodies. Floating material released through idol in the lake or river after decomposition result in eutrophication (Leland: 1991)
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