| Classification | SSP | MH | Kelly’s Ratio | PS | ||||||||
| <20 | Excellent (E) | >50 | Non-Acceptable (NA) | >1.0 | Permissible (P) | <5 | Excellent to Good (E) | |||||
| 20 - 40 | Good (G) | <0 | Acceptable (A) | <1.0 | Non-permissible (NP) | 5 - 10 | Good to Injurious (G) | |||||
| 40 - 80 | Fair (F) | - | - | - | - | >10 | Injurious to Unsatisfactory (I) | |||||
| >80 | Poor (P) | - | - | - | - | - | - | |||||
| Grade Usage | (E) | (G) | (F) | (P) | (NA) | (A) | (P) | (NP) | (E) | (G) | (I) | |
| Agriculture | 5.8 | 10.3 | 2.1 | 0.0 | 3.3 | 13.9 | 14.1 | 3.1 | 16.8 | 0.4 | 0.0 | |
| Living | 12.8 | 24.8 | 7.0 | 0.0 | 0.4 | 44.3 | 43.3 | 1.4 | 44.5 | 0.2 | 0.0 | |
| Drinking | 8.7 | 24.0 | 3.9 | 0.8 | 1.9 | 35.6 | 35.2 | 2.3 | 36.6 | 0.6 | 1.0 | |
| Industrial | - | 0.6 | - | - | - | 0.6 | 0.6 | - | 0.6 | - | - | |
| Total (%) | 27.3 | 59.7 | 13.0 | 0.8 | 5.6 | 94.4 | 93.2 | 6.8 | 98.5 | 1.2 | 0.3 | |
| 483 (100%) | 483 (100%) | 483 (100%) | 483 (100%) | |||||||||