Journal of Environmental and Public Health / 2020 / Article / Tab 4

Research Article

Antibiotic Resistance Profile of Bacteria Isolated from Wastewater Systems in Eastern Ethiopia

Table 4

Mean value of selected biological and physicochemical characteristics of raw and effluent wastewater in the three monitoring sites and removal capacity of wastewater treatment facilities.

SiteCharacteristicsTotal coliform cfu/100 mlFecal coliform cfu/100 mlEnterococci spp. cfu/100 mlE. coli cfu/100 mlBOD mg/LCOD mg/LTSS mg/LpH

ASSRaw5.14  1082.45  1071.31  1081.17  107737.67931.33707.677.23
Effluent3.18  1055.12  1043.93  1052.75  10473.17119.3363.509.45
Log reduction3.212.682.522.621.0030.891.04

WSPRaw5.55  1082.74  1081.13  1089.87  1061108.331275.33951.677.45
Effluent9.9  1067.28  1053.33  1055.36  10491.17187.6760.679.25
Log reduction1.742.572.532.261.080.831.19

STSRaw1.39  1087.93  1079.3  1071.53  107
Effluent3.5  1063.9  1064.28  1064.06  105
Log reduction1.591.31.331.57

ASS: activated sludge system, WSP: waste stabilization pond, STS: septic tank system, BOD; biochemical oxygen demand, COD: chemical oxygen demand, TSS: total suspended solid.

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