Assessment of Bacteriological Quality and Physiochemical Parameters of Domestic Water Sources in Jenin Governorate: A Case Study

Table 4

Physiochemical parameters of drinking water in Jenin Governorate of the West Bank compared to allowable limits of the PSI standards and the WHO guidelines.

Physiochemical parameter	Range of measured values	Average ± standard deviation	PSI [73] standard limit	WHO [58] limit	Percentage of samples over MCL^a of PSI (%)
Conductivity (EC) (μS/cm)	242–1833	890 ± 302	Up to 2000	Up to 2000	0%
Salinity (%)	0.01–0.5	0.1 ± 0.07	NA	NA	NA
Total dissolved solids (TDS) (ppm)	36–1063	465 ± 192	1000	1000	2.43%
Turbidity (NTU)	0.10–3.63	0.49 ± 0.76	5	5	0%
pH	6.40–8.12	7.33 ± 0.37	6.5–8.5	6.5–8.5	0%
Total alkalinity (ppm)	93.11–354	164 ± 206	NA	NA	NA

MCL^a: maximum concentration limit according to the PSI [73]; NTU: nephelometric turbidity units; NA: not available.