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The River Yamuna, the largest tributary of River Ganga has been one
of the most prominent and important rivers of India. Unfortunately,
certain stretches of River Yamuna are much polluted. In return,
almost the entire wastewater generated by these centers is disposed
off into the river. This is the prime reason for deterioration of
Yamuna River water quality. Rapid urbanization in Delhi has further
compounded the pressure on the sewerage system. Apart from point
sources of pollution, diffused sources of pollution such as
agricultural pollution and various instream uses of water such as
cattle wading, bathing, open defaecation and cloth washing add to
the deterioration of river water quality. Although identification
of the pathogenic bacteria in few rivers have been done but this is
for the first time that we are examining the different water
samples from various locations of River Yamuna and selectively
isolating bacterial pathogens on respective selective medium
allowing only desired bacteria to grow in the enrichment media,
staphylococcus aureus and salmonella typhi were detected in the
river Yamuna water samples at every location along with their
respective bacteriophages.
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