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Table 5 Classification of water samples analysed based on the WQI

From: Assessment of the quality of groundwater for drinking purposes in the Upper West and Northern regions of Ghana

WQI values

Interpretation

Number of samples (%)

<50

Excellent water

49 (98%)

50–100.1

Good water

1 (2%)

100.1–200.1

Poor water

0 (0%)

200.1–300.1

Very poor water

0 (0%)

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