Abstract: The lakes and reservoirs, all over India without exception, are in environmental degradation, might be due to encroachments, eutrophication (from domestic and industrial effluents) and silt. There has been a quantum jump in population during the last century without corresponding expansion of civic facilities resulting in lakes and reservoirs, especially the urban ones, becoming sinks for contaminants. The large density of human population in metropolitan cities like Bangalore, affects the environmental conditions of the city. The wetlands in Bangalore city are now dying, the effect of urbanization has taken some heavy toll on the lakes of Bangalore. and as result, in the heart of the city only 17 good lakes exist as against of 51 healthy lakes in 1985. The remaining lakes of the Bangalore city are facing extinction due to pollution. One such highly polluted lake is ‘Bellandur Lake’. It is located at latitude of 12°58’ N and longitude of 77°35’ E at an elevation of 921 m above the sea level. about 20 km towards the south-east of Bangalore city. A comparative study/work carried out between two years (2013 and 2017) analyzed data with reference to water quality status of Bellandur Lake as per recent years’ research papers and analyzed data to generate sufficient comparison. The result showed that the Lake is Polluted and as per CPCB water Quality classification Bellandur Lake comes in class E category and water used for Irrigation, Industrial cooling and Controlled Waste disposal.
Keywords: Bellandur Lake, Water Quality, Physico-chemical Parameters, Comparison of Lakes.
Title: Comparative Water Quality Assessment of Bellandur Lake, Bangalore City, Karnataka Year 2013 and 2017
Author: Zmarai Niazi, Malik Khan Ayar
International Journal of Interdisciplinary Research and Innovations
ISSN 2348-1218 (print), ISSN 2348-1226 (online)
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