Research Article
Assessment of Groundwater Quality in the Talensi District, Northern Ghana
Table 1
Standards, weights, and relative weights used for WQI computation.
| Chemical parameter | Objective to be met (Si) (mg/l) | Weight (wi) | Relative weight (Wi) |
| pH | 7.5 | 5 | 0.102 | TDS | 500 | 4 | 0.0816 | TH | 200 | 4 | 0.0816 | Ca2+ | 200 | 2 | 0.0408 | Mg2+ | 150 | 2 | 0.0408 | Na+ | 200 | 2 | 0.0408 | K+ | 30 | 2 | 0.0408 | CIā | 250 | 3 | 0.0612 | | 250 | 3 | 0.0612 | | 50 | 5 | 0.102 | | 0.7 | 4 | 0.0816 | Fā | 1.5 | 5 | 0.102 | Pb | 0.01 | 5 | 0.102 | Fe | 0.3 | 3 | 0.0612 |
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