Environmental and Bacteriological Assessment of Tap Waterand Domestic Storage Tanks in Selected Areas of WasitGovernorate, Iraq

Abstract

This study was conducted in some districts and regions of wasite governorate for purpose of assessing their content water of Escherichia coli bacteria and some environmantal properties.sample were collected in reguler from within six months from January 2019 to Jane 2019.Result showed the total number of colifrom fecal bacteria exceeded the permissible limits with the beginning of spring and summer at 148,8 cells/100ml in Shehimiya district.It also recorded a failure of samples taken at the highest rate of 30% for the districts and regions(AL-Hayi ,AL-Numaniya,Dabouni, Sawayra,AL-Mazak and ALShehimiya) 20% February for AL-Shehimiya.PH values also showed a fluctuation in values at its highest 7,8 in Badra district during June on the light base side and less value 6,7 and 6,9 respectively in AL-Mazak and AL- Sawayra during Junuary on the acid side . The Total dissolved substrater(TDS) with a total of over 1000 mg/L in Badra and Azizeh district during January and March.Tests also showed high chlorine rates with chlorine in some sample,with the highest value recoded at 415 mg/L during the month of April in Tajuddin district.