Research Article

Quality of Drinking Water from Springs in Palestine: West Bank as a Case Study

Table 5

Distribution of the tested cistern samples for total coliforms according to their level of contamination and required treatment procedure.

Recommended treatment procedure [3]Range of total coliforms (CFU/100 mL)Degree of contaminationContaminated samples (%)

No treatment required0–302
Chlorination only4–5012
Flocculation, sedimentation, and then chlorination51–50,00020
Very high contamination, need special treatment<50,00030