| Parameters | Range | Water Class |
| SAR | < 10 | Normal |
| 10 - 20 | Low sodic hazard | |
| 20 - 30 | Medium sodic hazard | |
| 30 - 40 | High sodic hazard | |
| > 40 | Very high sodic hazard | |
| RSC | < 1.25 | Safe |
| 1.25 - 2.50 | Marginally suitable | |
| > 2.50 | Unsuitable | |
| SSP | < 20 | Excellent |
| 20 - 40 | Good | |
| 40 - 60 | Permissible | |
| 60 - 80 | Doubtful | |
| > 80 | Unsuitable | |
| RSBC | <5.0 | Satisfactory |
| 5.0 - 10.0 | Marginal | |
| > 10.0 | Unsatisfactory | |
| PI | < 80 | Good |
| 80 - 100 | Moderate | |
| 100 - 120 | Poor | |
| MAR | < 50 | Suitable |
| > 50 | Unsuitable | |
| KR | < 1.0 | Suitable |
| > 1.0 | Unsuitable | |
| TH | 0 - 75 | Soft |
| 75 - 150 | Moderate Hard | |
| 150 - 300 | Hard | |
| > 300 | Very hard | |
| pH | < 5.5 | Acidic |
| 5.6 - 6.4 | Slightly acidic | |
| 6.5 - 7.5 | Practically neutral | |
| 7.6 - 8.0 | Slightly alkaline | |
| > 8.0 | Alkaline | |
| EC | < 250 | Excellent |
| 250 - 750 | Good | |
| 750 - 2000 | Permissible | |
| 2000 - 3000 | Doubtful | |
| > 3000 | Unsuitable | |
| TDS | < 1000 | Fresh |
| 1000 - 3000 | Slightly saline | |
| 3000 - 10,000 | Moderately saline | |
| 10,000 - 35,000 | Very saline | |
| > 35,000 | Briny |