A total 27 water samples were randomly collected from different locations of Mardan city. About 500 ml of water were aseptically collected in pre-sterilized screw capped bottle and transported to the laboratory at earliest using ice box. The analysis was carried out in the Food Microbiology Laboratory of Pakistan Council of Scientific and Industrial Research Laboratories Complex Peshawar, Khyber Pakhtunkhwa, Pakistan. The sampling was carried out during the period of March to August 2013.