ELEMENT | OKPOSI BH (Mg/l) | AFIKPO BH (Mg/l) | Desaline Water | WHO (Mg/l) |
Chloride | 980 | 280 |
| 250 |
Sodium | 396 | 219 | 235 | 200 |
Sulphate | 700 | 420 | 198 | 400 |
Magnesium | 350 | 190 | 394 | 150 |
Calcium | 342 | 225 | 0.1 | 200 |
Potassium | 117 | 39 |
| 35 |
Bicarbonate | 98 | 14 |
| 11 |
Bromide | 23 | 6 |
| 4.5 |
Strontium | 19 | 8 |
| 7.1 |
Silica | 6.4 | 6.4 |
| 6 |
Boron | 4.5 | 4.5 |
| 4 |
Fluoride | 27 | 2 | 1.3 | 1.5 |