Table 1.

Frequency of gram negative bacterial isolates from Urban rivers in Addis Ababa, Ethiopia, June, 2017

Bacterial isolates	Frequency	Percent (%)
E. coli	23	26
K. pneumoniae	18	20
K. oxytoca	17	19
P. alcalifaciens	10	11
C. Freundii	10	11
P. rettgeri	8	9
M. morganii	4	4
Total	90	100%