| No. | Date | BOD (mg/l) | COD (mg/l) | TSS (mg/l) | pH | T (˚C) | Chlorination | ||||||
| Inlet | Outlet | Inlet | Outlet | Inlet | Outlet | Inlet | Outlet | Inlet | Outlet | No | Yes | ||
| 1 | 340 | 283 | 693 | 570 | 280 | 197 | 7.78 | 7.6 | 29.2 | 28.7 | * |
| 340 |
| 2 | 378 | 165 | 816 | 263 | 317 | 141 | 7.5 | 7.8 | 28.4 | 27.6 | * |
| 378 |
| 3 | 263 | 196 | 523 | 548 | 331 | 213 | 7.81 | 7.55 | 27.1 | 26.7 | * |
| 263 |
| 4 | 328 | 268 | 713 | 383 | 228 | 119 | 7.76 | 7.67 | 27.6 | 27.1 | * |
| 328 |
| 5 | 293 | 286 | 538 | 596 | 352 | 241 | 7.8 | 7.49 | 25.5 | 25.1 | * |
| 293 |
| 6 | 341 | 273 | 694 | 564 | 258 | 194 | 7.75 | 7.8 | 24.1 | 23.6 | * |
| 341 |
| 7 | 284 | 162 | 561 | 523 | 382 | 253 | 7.76 | 7.51 | 26 | 25.3 | * |
| 284 |
| 8 | 321 | 293 | 768 | 384 | 291 | 168 | 7.8 | 7.5 | 22.5 | 21.8 | * |
| 321 |
| 9 | 361 | 196 | 799 | 398 | 260 | 124 | 7.81 | 7.54 | 25.7 | 24.6 | * |
| 361 |
| 10 | 263 | 197 | 620 | 383 | 272 | 182 | 7.5 | 7.2 | 26.7 | 26.2 | * |
| 263 |
| 11 | 289 | 214 | 548 | 431 | 299 | 363 | 7.76 | 7.5 | 27 | 26.3 | * |
| 289 |
| 12 | 383 | 119 | 986 | 387 | 222 | 122 | 7.67 | 7.91 | 27.8 | 27 | * |
| 383 |
| 13 | 318 | 196 | 694 | 227 | 298 | 137 | 7.61 | 7.74 | 27.9 | 26.7 | * |
| 318 |
| 14 | 276 | 228 | 621 | 371 | 328 | 243 | 7.65 | 7.5 | 28.7 | 27.6 | * |
| 276 |
| 15 | 364 | 128 | 862 | 398 | 321 | 183 | 7.8 | 7.5 | 26.2 | 25.7 | * |
| 364 |
| 16 | 270 | 183 | 592 | 318 | 293 | 252 | 7.6 | 7.8 | 26.8 | 26.2 | * |
| 270 |
| 17 | 347 | 221 | 726 | 384 | 272 | 221 | 7.7 | 7.5 | 26.2 | 25.7 | * |
| 347 |