[ad_1]
Efforts to clear the Yamuna largely stay on paper as 26 out of 35 sewage remedy crops (STPs) in Delhi, having a mixed remedy capability of 2,258.72 million litres per day (MLD), usually are not complying with discharge norms prescribed by the air pollution management physique.
This has been revealed in a month-to-month progress report for September 2020, ready by the Delhi Pollution Control Committee (DPCC), which is answerable for framing air pollution management norms in Delhi. The report was despatched to the Secretary of Union Ministry of Jal Shakti just lately.
The report exhibits solely eight STPs, with a mixed remedy capability of 433.69 MLD, are complying with norms. The standing of one STP just isn’t recognized as samples weren’t collected.
Non-compliance of STPs in Delhi is critical as the Yamuna stretch from Wazirabad to Okhla is probably the most polluted.
The DPCC had prescribed eight sorts of requirements for handled effluent of STPs (previous and new) in Delhi. It had communicated the identical to the Delhi Jal Board (DJB), answerable for operations and upkeep of STPs, on January 31. Compliance standing of the STPs was checked by the air pollution physique in September.
According to the report, towards the estimated 3,273 MLD (720 million gallons per day) sewage technology in Delhi, put in sewage remedy capability is nearly 2,715.14 MLD (597.26 MGD). However, on floor, the precise use of sewage remedy capability is even decrease as capability utilisation of present STPs is about 90% (2,432 MLD) of put in capability.
The problem of sewage remedy crops not complying with discharge norms additionally got here up throughout the seventh assembly of the Central Monitoring Committee, which met beneath the chairmanship of Union Jal Shakti Secretary UP Singh on November 9.
Minutes of the assembly, circulated on November 17, present that the Executive Director (Technology), National Mission for Clean Ganga, raised the problem of non-compliance of STPs. The assembly was additionally attended by Additional Chief Secretary (Urban Development), Delhi authorities, and different state authorities officers, who admitted that some STPs usually are not assembly the “stringent norms”.
“CEO, Delhi Jal Board, informed that 70 MGD of treated water from STPs are achieving discharge norms of BOD-10mg/l, TSS-10 mg/l and COD-50mg/l and remaining operational STPs which are old, and have been designed for old discharge norms, may not be able to achieve the stringent norms,” state the minutes.
It added: “Of the 13 Common Effluent Treatment Plants operational in Delhi, only three are complying with norms… Compliance of existing STPs and CETPs and slow progress of ongoing STP projects remains a major issue.” CETPs have been established for controlling industrial air pollution within the river.
When contacted, a senior DJB official stated, “All STPs will comply with the advanced (discharge) standards within three years. A new approach is being tried to upgrade STPs at low cost.”
© The Indian Express (P) Ltd
[ad_2]
Source hyperlink