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A Study on the Coliform Bacterial Density and Heavy Metal Concentration of Tumkur City Sewage


Affiliations
1 Department of Chemistry, Sri Siddhartha First Grade College, Maralur, Tumkur-572105, Karnataka, India
2 Department of Studies in Environmental Science, University of Mysore, Mysore-570 006, Karnataka, India
 

The Tumkur city sewage samples were analysed between February 2007 and January 2008 at six sampling points symbolised as residential area (S1), business centre (S2), slum (S3), converging point (S4), open drain (S5) and treated sewage (S6) to assess the bacterial density and concentration of some heavy metals. The results revealed the presence of maximum bacterial population in June, and minimum in January. Systematic sampling and quantitative analysis of heavy metals such as copper, lead, zinc, nickel, cadmium, chromium, manganese and Iron have been carried out and an attempt was made to correlate heavy metal concentration to bacterial population in sewage. The bacterial population declined notably in treated sewage.

Keywords

Sewage, Heavy Metals, Coliform Bacteria.
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  • A Study on the Coliform Bacterial Density and Heavy Metal Concentration of Tumkur City Sewage

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Authors

K. S. Kumara
Department of Chemistry, Sri Siddhartha First Grade College, Maralur, Tumkur-572105, Karnataka, India
S. L. Belagali
Department of Studies in Environmental Science, University of Mysore, Mysore-570 006, Karnataka, India

Abstract


The Tumkur city sewage samples were analysed between February 2007 and January 2008 at six sampling points symbolised as residential area (S1), business centre (S2), slum (S3), converging point (S4), open drain (S5) and treated sewage (S6) to assess the bacterial density and concentration of some heavy metals. The results revealed the presence of maximum bacterial population in June, and minimum in January. Systematic sampling and quantitative analysis of heavy metals such as copper, lead, zinc, nickel, cadmium, chromium, manganese and Iron have been carried out and an attempt was made to correlate heavy metal concentration to bacterial population in sewage. The bacterial population declined notably in treated sewage.

Keywords


Sewage, Heavy Metals, Coliform Bacteria.