The microbial pollution caused by human activities exposes urban areas of the Comoe River to major health risks linked to any pathogens presence. This study aims to assess microbiological water quality using fecal indicators bacteria (FIB) in order to determine potential risk for the populations and understand FIBs’ seasonal variability. | Impact and seasonal variability of faecal indicators bacteria contamination in downstream part of comoe river and its two tributaries Côte d Ivoire