Table 1.

The average value (mean ± 1 SD) of water quality parameters at the TB-WTP and the studied points in the distribution system.

Water Quality Variables	TB-WTP	Meningie
pH	8.5 ± 0.2	8.5 ± 0.3
Turbidity (NTU)	0.10 ± 0.01	0.15 ± 0.10
Color (HU)	1 to 2	1 to 2
DOC (mg L−1)	2.4 ± 0.26	2.50 ± 0.90
Free chlorine (mg L−1)	<0.10	<0.10
Monochloramine (mg L−1)	4.10 ± 0.30	1.60 ± 1.0
Dichloramine (mg L−1)	<0.10	<0.10
Free ammonia (NH3-N) (mg L−1)	0.25 ± 0.09	0.40 ± 0.06
Nitrate + Nitrite (NOx−-N) (mg L−1)	0.10 ± 0.04	0.30 ± 0.13