| Parameter | Sample range | Range | Classification | % of Sample | ||
| Pre | Post | Pre | Post | |||
| Na% (meq/l) | 10 - 83.7 | 15.4 - 83.6 | 0 - 20 | Excellent | 6% | 4% |
| 20 - 40 | Good | 54% | 47% | |||
| 40 - 60 | Permissible | 32% | 37% | |||
| 60 - 80 | Doubtful | 7% | 10% | |||
| >80 | Unsuitable | 1% | 1% | |||
| SAR (meq/l) | 0.34 - 10.37 | 0.60 - 10.49 | 0 - 10 | Excellent (suitable for all types of crops and soil except for those crops sensitive to Na) | 100% | 100% |
| 10 - 18 | Good (suitable for coarse textured or organic soil with permeability | - | - | |||
| 18 - 26 | Fair (harmfully for almost all soils) | - | - | |||
| >26 | Poor (unsuitable for irrigation) | - | - | |||
| RSC (meq/l) | −9.15 - 7.13 | −8.70 - 7.15 | <1.25 | Good | 88% | 87% |
| 1.25 - 2.5 | Medium | 6% | 7% | |||
| >2.5 | Bad | 6% | 6% | |||
| EC (µS/cm) | 525 - 2240 | 535 - 2562 | <250 | Low salinity hazard (good) | - | - |
| 250 - 750 | Medium salinity hazard (moderate) | 36% | 33% | |||
| 750 - 2250 | High salinity hazard (poor) | 64% | 66% | |||
| >2250 | Very high salinity hazard (very poor) | - | 1% | |||
| PI (meq/l) | 35.8 - 102 | 36 - 101 | Class I | Max. permeability | 11% | 14% |
| Class II | 75% of Max. permeability | 89% | 86% | |||
| Class III | 25% of Max. permeability | - | - | |||