Table 4.
Comparative assessment of Total coliform (MPN/100 mL) and Faecal coliform (MPN/100 mL) in the main stem of the Ganga River during 2019 (pre-lockdown) and 2020 (lockdown period), (mean ± SD).
| Total coliform (MPN/100 mL) |
Faecal coliform (MPN/100 mL) |
|||
|---|---|---|---|---|
| Pre-lockdown (March to May 2019) |
Lockdown period average (March to May 2020) |
Pre-lockdown (March to May 2019) |
Lockdown period average (March to May 2020) |
|
| Bijnore | NA | NA | NA | NA |
| Anupshahar (u/s) | 540 ± 10 | NA | 233 ± 15 | NA |
| Anupshahar (d/s) | 423 ± 12 | NA | 220 ± 10 | NA |
| Farrukabad | 2333 ± 208 | 2333 ± 709 | 1400 ± 0 | 1087 ± 363 |
| Kannauj (u/s) | 4000 ± 100 | 3700 ± 346 | 2567 ± 115 | 1600 ± 173 |
| Kannauj (d/s) | 4700 ± 100 | 4500 ± 346 | 3033 ± 306 | 2367 ± 252 |
| Bithur | 3500 ± 265 | 4067 ± 252 | 2100 ± 100 | 1733 ± 58 |
| Kanpur (u/s barrage) | 3667 ± 416 | 4700 ± 346 | 2233 ± 252 | 2100 ± 100 |
| Kanpur (u/s) | 4167 ± 231 | 4333 ± 493 | 2667 ± 378 | 1900 ± 436 |
| Kanpur (bridge 1) | 8733 ± 577 | 23,467 ± 20,510 | 4800 ± 557 | 11,667 ± 12,419 |
| Allahabad (Sirsa) | 16,333 ± 1155 | 2567 ± 666 | 8033 ± 1168 | 1033 ± 584 |
| Varanasi (Rajwari) | 15,000 ± 1732 | 11,333 ± 3786 | 9000 ± 1732 | 5433 ± 2380 |
| Murshidabad (Behrampore) | 210,000 ± 134,907 | 6500 ± 5815 | 154,167 ± 91,892 | 3283 ± 3961 |
| Murshidabad (Gorabazar) | 198,333 ± 81,342 | 15,167 ± 17,821 | 141,667 ± 56,006 | 8167 ± 11,209 |
| Murshidabad (Khagra) | 210,833 ± 106,038 | 32,600 ± 69,316 | 85,892 ± 85,892 | 26,617 ± 57,185 |
| Howrah bridge | 73,417 ± 45,280 | 50,000 ± 20,000 | 38,752 ± 38,752 | 21,667 ± 4509 |
NA: data not available.
Data source: Uttar Pradesh Pollution Control Board.