Incidence & Significance Of Athogenic Micro-Organisms In The Water Of Mahmodia canal =

1..Sixty water samples from Mabmodia Canal and its tributaries running through Behera and Alexandria. Gorernorates were examined bacteriologically in order to evaluate its sanitry quality.2. It ha been found that overall mean of bacterial denity at 37°C wa 871038 ± 100163 bacteria per ml of water03. The mean value of the most probable numbers of co:Li±’orm bacilli per 100 ml of water samples was 21719 ± 3130 bacteria.4. The mean value of faec.treptococci count in Mabmodia Canal and its tributaries was found to be 5027 ± 696 bacteria per 100 ml of water.5. A higher extent of pollution wa detected in the northern section of the canal running through lexandria Province (2L17 krn) than the southern part and ..ts tributaries found in Beh’ra Province (56 1cm) as evidonced by the mean valu.es of total viable c