Table 3 Mean concentrations of Hg in water from Ankobra and Tano basin (n = 6)
|  | Sampling location | pH | TDS (mg/L) | Hg (μg/L) Mean ± SD |
|---|---|---|---|---|
Ankobra basin | Asawinso | 7.30 | 42.5 | 0.320 ± 0.101 |
Beppoh Ehyireso | 7.64 | 14.0 | 0.282 ± 0.090 | |
Heman Prestea | 6.90 | 15.0 | 0.264 ± 0.022 | |
Asuo Kofi | 8.00 | 203.5 | 1.078 ± 0.940 | |
Dominase | 7.27 | 14.0 | 0.145 ± 0.061 | |
Bonsaso | 7.45 | 14.0 | 0.184 ± 0.111 | |
Tano basin | Tano Odumase | 7.48 | 58.8 | 0.216 ± 0.091 |
Jomoro | 8.12 | 37.1 | 0.250 ± 0.110 | |
Elubo | 7.35 | 17.0 | 0.214 ± 0.080 |