Domestic Groundwater Quality in the Northern Governorates of the West Bank, Palestine

Table 5

Distribution of tested groundwater samples for fecal Coliforms (CFU/100 mL) according to their degree of risk.

Range of fecal Coliforms (CFU/100 ml)	Degree of risk [20]	Number and percentage of tested samples
0	No risk	75 (98.7%)
1–10	Low risk	0 (0%)
11–100	Moderate risk	1 (1.3%)
101–1000	High risk	0 (0%)
>1000	Very high risk	0 (0%)

CFU: colony forming unit.