Evaluation of Bacterial Pathogens in Surface water of Cauvery River, Near Mysore, Karnataka, South India

  • Jessen George
  • Divya Lakshminarayanan
  • K S Sajith
  • Severeni Ashili
  • S Suriyanarayanan

Abstract

The aim of this study was to access the bacterial
pathogens in surface water of Cauvery River, Near
Mysore, Karnataka, South India. The samples were
collected from 12 sampling stations, nearby respective
treatment plants and analyzed over a period of
year during three seasons of 2011-2013 (winter, summer
and monsoon). The water samples were analyzed
for the microbiological parameters such as Heterotrophic
Plate Count (HPC), Total Coliform Count
(TCC), Faecal Coliform Count (FCC) and E. coli. The
heterotrophic plate count was found in the range of
2.4×10 8 CFU/ml in winter, 2.5×10 8 CFU/ml in summer
and 2.8×10 8 CFU/ml in monsoon. The total coliform
count 460 MPN/100 ml to 1,100 MPN/100ml in winter,
460 MPN/100ml to 1,533 MPN/100ml in summer
and 1,100 MPN/100ml to >2,400 MPN/100ml in monsoon.
The results of the study also indicate that E. coli
(48%) was the most prevalent in all samples followed
by Salmonella spp, Shigella spp (20%) and Yersinia
spp(8%). The current study shows that during monsoon
season the pathogen load is higher compared to
other seasons (winter and summer).The frequent isolation
of these bacterial pathogens in River Cauvery highlights
the risk to human health associated with intentional
and unintentional consumption of untreated surface
water. This study also added the essential baseline
information of the microbial population for this section
of the Cauvery River.

Published
2016-03-28
How to Cite
GEORGE, Jessen et al. Evaluation of Bacterial Pathogens in Surface water of Cauvery River, Near Mysore, Karnataka, South India. Bulletin of Environmental and Scientific Research, [S.l.], v. 5, n. 1, p. 14-18, mar. 2016. ISSN 2278-5205. Available at: <http://besr.org.in/index.php/besr/article/view/64>. Date accessed: 17 sep. 2019.
Section
Articles