Open Access Research Paper Views (943) Factors affecting distribution of coliforms bacteria in semi-arid groundwater sources- Tanzania Rita Alex, Karoli Njau Int. J. Biosci. 16(4), 487-499, April 2020. DOI: http://dx.doi.org/10.12692/ijb/16.4.487-499 Keywords: Coliform, Groundwater, Microbial contamination, Physicochemical parameter, Water borne diseases Details