TABLE 3.

Water quality of surface water samples

Site	Water temp (°C)	pH	Total coliforms (CFU/ml)	Thermotolerant coliforms (CFU/ml)	F-specific phages (PFU/ml)
A	2-16	7.8-8.3	1-12	0-3	0
B	2-18	7.5-9.3	0-34	0-2	0-0.1
C	8-21	7.1-8.4	27-1,300	1-83	0-0.3
D	9-22	6.9-7.6	2-1,800	0-64	0-1.8
E	6-22	7.0-9.2	12-1,500	0-34	0-0.6
F	8-25	6.9-9.6	7-1,800	1-22	0-0.9