Table 5.

Home water sample heavy metal levels by community

	Time I
Variable	Community 1	Community 2	Total
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