Table 1 Arsenic concentrations in various sources of water from the study locations

Well water

298.18 ± 129.60 ^a

nd

(n = 13)

87.36 (1.11-1,475.00)^b

Mountain pipe water

25.54 ± 9.02

nd

(n = 10)

6.86 (1.59-75.05)

Local tap water

24.22 ± 17.23

0.22 ± 0.11

(n = 12)

4.86 (0.53-147.60)

nd (nd-1.09)

Rain water

1.01 ± 0.20

nd

(n = 23)

0.65 (0.17-2.99)

Bottled water

4.54 ± 0.43

0.20 ± 0.10

(n = 6)

4.20 (3.45-5.85)

0.06 (nd-1.20)