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Classification of water quality for irrigation purposes in the study area
| Water class | Salinity hazards | Alkali hazards | ||
|---|---|---|---|---|
| EC (μS/cm) | Number of samples (%) | SAR (epm) | Number of samples (%) | |
| Excellent | Up to 250 | 24 | Up to 10 | – |
| Good | 250–750 | 56 | 10 to 18 | 73 |
| Fair/medium | 750–2250 | 20 | 18 to 26 | 27 |
| Poor/bad | 2250–5000 | > 26 | – | |
