Parameter | site 1 | site 2 | site 3 | site 4 | site 5 | Permissible limit | |
Irrigation water | Drinking water | ||||||
pH | 8.50 | 7.22 | 7.64 | 7.15 | 7.18 | 6.5 - 8.4 | 6.5 - 8.5 |
EC (mS/cm) | 2.20 | 4.73 | 2.27 | 2.47 | 2.48 | <1.0 | 0.1 - 0.3 |
Sodium (meq/l) | 2.91 | 25.95 | 11.03 | 10.23 | 10.16 | 1.0 - 3.0 | - |
Ca (meq/l) | 22.0 | 9.00 | 2.00 | 4.60 | 5.00 | 1.0 - 3.0 | 75 - 200 (ppm) |
Mg (meq/l) | 4.00 | 20.00 | 2.00 | 9.60 | 10.00 | 1.0 - 3.0 | 30 - 100 (ppm) |
k (meq/l) | 1.79 | 0.06 | 0.09 | 0.02 | 0.02 | 1.0 - 10.0 | - |
CO3 (meq/l) | 10.00 | 61.24 | 2.80 | 0.00 | 0.00 | <1.0 | - |
HCO3 (meq/l) | 0.00 | 0.00 | 7.20 | 8.00 | 7.40 | <2.5 | - |
Cl (meq/l) | 12.00 | 8.00 | 4.00 | 16.00 | 13.00 | <2.0 | 250 - 1000 (ppm) |
SO4 (meq/l) | 8.70 | 0.00 | 1.12 | 0.45 | 0.78 | <2.5 | 200 - 400 (ppm) |
SAR (meq/l) | 0.81 | 6.82 | 7.80 | 3.84 | 3.71 | <3.00 | - |
RSC (meq/l) | 0.00 | 32.24 | 6.00 | 0.00 | 0.00 | <1.25 | - |