Abstract
Polluted tap water with coliform and fecal bacteria produced from the desalination plant of Hawija district/Kirkuk governorate was studied from November 2021 Until April 2022. Ten sites located on Hawija district named 1-10 were selected in this study on the feeding channel, the desalination stages plant and the distribution grid in the district. Total bacterial count and values of coliform cells per 100 ml of water sample was examined. The results of the study indicated that the filtration plant was operating with high efficiency in removing bacterial contaminants in most sites after desalination plant. Sites 5,6 recorded undictable average values and site 9 recorded lower average values (8.33 cell/100ml) respectively. The study also showed that the distribution grid is weak because the obsolescence of the pipes in some residential neighborhoods with average coliform values 17cell/100ml and 17.17 cell/100 ml in sites 8 and 7 respectively as contamination was recorded in some selected water samples. In reference to the results of the station operates with high efficiency and the tap water produced from it was within the Iraqi and international standards for drinking water.
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