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