Table 5 Home water sample heavy metal levels by community

N

44

74

118

Heavy Metal M (SD) Range

 As (μg/L)

7.1 (± 0.33)

0.00–16.00

3.7 (± 0.32)

0.00–10.0

0.50 (± 0.36)

0.00–1.60

 Pb (μg/L)

0.0024 (± 0.02)

0.00–0.10

0.00 (± 0.00)

0.00–0.00

0.009 (± 0.009)

0.00–0.10

 Cd (μg/L)

0.01 (± 0.09)

0.00–6.00

0.22 (± 1.02)

0.00–8.70

0.14 (± 0.82)

0.00–8.70

 pH

7.76 (± 0.38)

7.09–8.21

7.28 (± 0.14)

6.39–7.53

7.46 (± 0.35)

6.39–8.21