Seasonal Dynamics in Bacteriological and Physicochemical Water Quality of the Southern Gulf of Lake Tana

Table 3

Compliance of all water samples collected from all sites in the Southern Gulf of Lake Tana with the guidelines in terms of coliform counts, 2021.

Description of samples and coliforms counted	Number of samples	% Of samples exceeding the limit value
All dry season samples tested for TC	72	0
All wet season samples tested for TC	72	0
All dry season samples tested for FC	72	0
Wet season and site 1 tested for FC	9	55.6
Wet season and site 2 tested for FC	9	55.6
Wet season and site 3 tested for FC	9	55.6
Wet season and site 4 tested for FC	9	66.7
Wet season and site 5 tested for FC	9	22.2
Wet season and site 6 tested for FC	9	44.4
Wet season and site 7 tested for FC	9	33.3
Wet season and site 8 tested for FC	9	44.4
Wet season and impacted sites tested for FC	36	58.3
Wet season and reference sites tested for FC	36	36.1

Note. EPA 2001 guideline for surface water of FC = 1000, TC = 5000.