| S/N | Parameters | Borehole water at fire service Area, Owerri | Borehole water at Umuoba, Uratta Area, Owerri | Borehole water at Egbu Area, Owerri | WHO standard [9] | NSDWQ NIS.554: [12] max. permitted levels |
| 1 | Colour (hazen unit) | 3.4 | 3.24 | 3.3 | 5.0 - 15 | 15 |
| 2 | Temperature (˚C) | 29 | 30 | 29.5 | 27 - 28 | Ambient |
| 3 | Turbidity (NTU) | 5.8 | 5.9 | 5.75 | 5 | 5.0 |
| 4 | Copper (mg/L) | Nil | Nil | Nil | Nil | 1 |
| 5 | Iron (mg/L) | 0.02 | 0.01 | 0.03 | 0.3 | 0.3 |
| 6 | Nitrate (mg/L) | 2.0 | 1.86 | 3.0 | 3.0 | 50 |
| 7 | Nitrite (mg/L) | Nil | Nil | Nil | 1.0 | 0.2 |
| 8 | TDS (mg/L) | 18.1 | 16.3 | 17.0 | 500 | 500 |
| 9 | pH | 5.9 | 5.85 | 5.7 | 6.5 - 8.5 | 6.5 - 8.5 |
| 10 | Hardness (mg/L) | 3.0 | 2.8 | 2.9 | 500 | 500 |
| 11 | Conductivity (µs/cm) | 30 | 33 | 31 | 1000 | 1000 |
| 12 | Free residual chlorine (mg/L) | 0.01 | 0.00 | 0.00 | 0.2 - 5.0 | 0.2 - 0.25 |