<prompt> Indication of Fecal contamination of water is due to presence of a E. colib Coliformc Enterococcid Clostridium difficilee Streptococcus pyogeneabbcabcbcd  <response>: Bacteriological indicators of water contamination Presence of following organism indicate fecal contamination of water.Coliform : by all practical point of view it is assumed that all coliform are fecal in origin unless a non-fecal origin can be proved.Fecal streptococci or enterococci : They regularly occur in feces. Finding of fecal streptococci in water is regarded as important confirmatory evidence of recent fecal contamination water.Clostridium perfringens : They also regularly occur in feces. Presence of spore of Cl. perfringens and absence of coliform group indicate remote contamination of water. 