Table 3. Physical parameters with standard deviations measured in 2020, 2021 and 2022 in raw and treated water of NW-C DWPF.
| Date | Sites | TDSs (mg/L) | pH | Salinity (mg/L) | Temperature (°C) |
|---|---|---|---|---|---|
| DWAF (1996a) | ≤450 | ≥6.0 to ≤9.0 | ≤100 | - | |
| Dec 2020 | Raw inlet | 478.67±1.15 | 8.10±0.04 | 232.00±0.00 | 20.47±0.35 |
| Treated water | 476.33±2.08 | 7.94±0.01 | 231.33±0.58 | 20.87±0.21 | |
| Feb 2021 | Raw inlet | 483.33±0.58 | 8.15±0.05 | 233.33±0.58 | 20.07±0.06 |
| Treated water | 490.67±0.58 | 7.89±0.01 | 236.33±0.58 | 18.77±0.21 | |
| Jul 2021 | Raw inlet | 378.00±2.00 | 9.31±0.03 | 249.33±1.15 | 13.63±0.31 |
| Treated water | 381.67±3.21 | 9.28±0.06 | 254.00±1.00 | 13.80±0.40 | |
| Aug 2021 | Raw inlet | 381.67±0.58 | 8.29±0.01 | 256.00±1.00 | 15.93±0.06 |
| Treated water | 382.67±0.58 | 8.22±0.03 | 257.67±0.58 | 17.33±0.06 | |
| Sep 2021 | Raw inlet | 378.33±1.15 | 8.36±0.03 | 254.00±1.00 | 15.83±0.25 |
| Treated water | 371.67±9.29 | 8.35±0.03 | 255.33±1.15 | 15.07±0.15 | |
| Dec 2021 | Raw inlet | 381.33±0.58 | 8.20±0.01 | 259.67±0.58 | 19.87±0.15 |
| Treated water | 389.00±1.00 | 8.25±0.02 | 263.33±1.15 | 19.63±0.31 | |
| Feb 2022 | Raw inlet | 386.67±0.58 | 8.15±0.02 | 262.00±1.00 | 17.80±0.20 |
| Treated water | 391.67±0.58 | 8.12±0.02 | 264.00±0.00 | 18.23±0.31 | |
| Mar 2022 | Raw inlet | 382.00±0.00 | 8.34±0.01 | 257.00±0.00 | 15.67±0.06 |
| Treated water | 386.67±0.58 | 8.16±0.01 | 260.67±0.58 | 16.47±0.58 |
TDSs- total dissolved solids; “-“–not specified