Main reason for Yamuna's pollution in Delhi is its Drains
Reportedly the level of fecal coliform in Delhi's yamuna has reached the most dangerous level in the last four years. According to the latest water quality report of the delhi pollution Control Committee (DPCC), the concentration of fecal coliform in the yamuna water in Asgarpur area is 79 lakh units per 100 ml (MPN). This level of pollution is the highest since december 2020.
Hence according to a TOI report, according to the delhi pollution Control Committee (DPCC), sewage water is primarily responsible for this. According to the monthly report of DPCC, fecal coliform in the yamuna river reached 79,00,000 MPN per 100 ML. This is much higher than 3,20,000 in the year 2023 and 6,80,000 in 2021. In the year 2020, the level of fecal coliform was reported to be 1,20,00,000.
Moreover let us tell you that the river water can be considered good for health only when the amount of fecal coliform is limited to 2500 per 100 ml. According to the report of delhi pollution Control Committee, as soon as yamuna entered Palla, the DO level was recorded at 6.1 mg per liter. The level of BOD is 3 mg per liter and the level of fecal coliform is 1100, which is considered ideal. However, the DO level in yamuna water was recorded to be zero in ISBT bridge area. In this area, the BOD level was found to be 47 units per liter and fecal coliform 4,90,00 per liter. Whereas according to the set standard, the BOD level should not be below 5 mg per liter and DO should not be below 5 mg per liter. This is the situation at a time when yamuna was considered better till october 2 due to better monsoon at the beginning of this year. After that the amount of pollution increased. According to TERI's research fellow SK Sarkar, improvement in yamuna water can only happen when 100% sewage water is treated. The main reason for Yamuna's pollution in delhi is its drains, in which sewage water falls and the same untreated water joins Yamuna. Sewage water is being treated by delhi Jal Board, but untreated water is also falling into yamuna on a large scale.