Fig. (2) A logarithmic plot showing the total counts of E. coli (top left) and Enterococci (top right) and the box-and-whisker plots of E. coli (down left) and Enterococci (down right) in the sampling sites along Nzhelele River. The SANS and WHO permissible limit for faecal coliform (E. coli and Enterococci) in drinking water is 0 cfu/100 mL).