Table 1.
The MFBI classifications of the water quality.
| Class | Index range | Category |
|---|---|---|
| 1 | > 5.9 | Very good |
| 2 | 4.5–5.8 | Good |
| 3 | 3.8–4.4 | Moderately polluted |
| 4 | 2.7–3.7 | Polluted |
| 5 | < 2.7 | Poor |
Source: Wan Mohd Hafezul (2016)
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