Safety of Drinking Water from Primary Water Sources and Implications for the General Public in Uganda
Table 1
Concentrations of different inorganic compounds from major water sources in the study area.
Water source
Mean ± SEM concentration (ppm)
Fe
Cu
Zn
Pb
Cd
Cr
Borehole
8
0.512 ± 0.2839
0.01586 ± 0.005784
0.0145 ± 0.001739
0.02429 ± 0.006494
0.003714 ± 0.0004206
ND
Bottled
8
0.0290a
0.004833 ± 0.001447
0.06523 ± 0.04579
0.02286 ± 0.004206
0.0040 ± 0.0003086
ND
Open well
7
0.7841 ± 0.4818
0.006143 ± 0.000885
0.005338 ± 0.0008608
0.02833 ± 0.005426
0.004125 ± 0.0002950
ND
Spring
9
0.0105 ± 0.0045
0.007571 ± 0.003791
0.02876 ± 0.01629
0.01889 ± 0.003514
0.0040 ± 0.0002108
ND
Tap
8
0.2282 ± 0.1719
0.05371 ± 0.02876
0.4467 ± 0.3008
0.02333 ± 0.003333
0.00425 ± 0.0003134
ND
value
0.6387
0.0815
0.1283
0.7054
0.8092
Fe = iron; Cu = copper; Zn = zinc; Pb = lead; Cd = cadmium; Cr = chromium. = number of samples submitted for analysis. ND = not detected during analysis. aOne value included in the calculation. ANOVA conducted for all the compounds, and respective values are presented. SEM = standard error mean; ppm = parts per million.
