The presence of feacal coliform indicates the presence of feacal material from warm-blooded animals such as Escherichia coli or Klebsiella pneumonae. Their presence can be taken as an indication of the potential danger of health risks those feacal possess. Members of two bacteria groups, coliforms and feacal streptococci are used as indicators of possible sewage contamination because they are commonly found in human and animal feces. Most commonly tested faecal bacteria indicators are total coliforms, feacal coliform bacteria, Escherichia coli, feacal Streptococci and Enterococci. The presence or absence of gas in each tube is used to calculate an index known as the Most Probable Number (MPN). There are two parameter used in this study that is, chemical and biological parameters. The present study was carried out on different site of Gomti River in Lucknow, U. P. The River Gomti passes through Lucknow, India and is the main source of drinking water for the city. Temporal variation in water quality of three major tributaries of the Gomti: Daliganj, Saheed Smarak, Hanuman Setu and Pipraghat were assessed based on data collected during January, 2012. In last to find out the variable number of bacteria in this study, so that maximum number of coliform bacteria /cells (41 cells/100 ml of water) at the ghat-2 on the site-B that is, Saheed Smarak and minimum number of bacteria /cells (8, 8 cells/100 ml of water) on the ghat- 1 and 2 at the Site- C that is, Hanuman Setu. The maximum number of feacal coliform bacteria /cells (12 cells/100 ml of water) on the ghat-1 at the site-D that is, Pipraghat, so that the minimum number of bacteria /cells (3, 3 cells/100 ml water of water) on the ghat- 2 and 3 at the site-B that is, Saheed Smarak to assess the low concentration of feacal mater so, this site has minimum number of bacteria /cells in the water sample.
Key words: Water potability, water quality, MPN test, coliform index, physical, chemical, biological parameters.
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