Table 4.

Physicochemical and bacteriological quality of household drinking water samples in flood-prone settlements of the south Gondar zone (Fogera and Libokemkem districts), Ethiopia, 2021 (N = 675).

Physicochemical parameters	Units	Mean ± SD	WHO standards [2]
pH	–	5.9 ± 1.03	6.5–8.5
Turbidity	NTU	6.7 ± 2.21	<5
Free residual chlorine	mg/l	0.02 ± 0.01	0.2–0.5
Conductivity	μs/cm	122.0 ± 59.0	1500
TDS	ppm	75.0 ± 21.0	1000
Bacteriological parameters		N (percentage)
Fecal coliform	Positive	420 (62.2%)	Zero (Must not be detected)
	Negative	255 (37.8%)

Note: NTU=Nephlometric Turbidity Unit.