New Delhi, March 7 -- A Yamuna activist has written to the Delhi Pollution Control Committee (DPCC), flagging delays in uploading monthly water quality reports for the river, sewage treatment plants (STPs), major drains and common effluent treatment plants (CETPs), and warning that the lack of updated data undermines public scrutiny of pollution levels.

In a letter to the DPCC chairperson, activist Pankaj Kumar said the latest analysis report on the Yamuna's water quality and major drains has not been published since January, while reports for Delhi's CETPs and STPs have not been uploaded since December 2025.

"It is with profound disappointment and frustration that we address this letter to you, highlighting the Delhi Pollution Control ...