Parameter | Average values for borehole water | WHO standard [9] | NSDWQ NIS.554: [12] maximum. permitted Levels | Remark |
Total iron (mg/L) | 0.02 | 0.3 | 0.3 | Pass |
Turbidity (NTU) | 5.8 | 5.0 | 5.0 | Fail |
TDS (mg/L) | 17.13 | 500 | 500 | Satisfactory |
pH | 5.82 | 6.5 - 8.5 | 6.5 - 8.5 | Pass |
Temperature (˚C) | 29.5 | 27 - 28 | Ambient | Fail |
Hardness (mg/L) | 29.0 | 500 | 500 | Pass |
Nitrate (mg/L) | 2.29 | 3.0 | 50 | Pass |
Nitrite (mg/L) | 0.00 | 1.0 | 0.2 | Pass |
Free residual chlorine (mg/L) | 0.00 | 0.2 - 0.25 | 0.2 - 0.25 | Satisfactory |