India, Jan. 12 -- More than two months after its last disclosure, the Delhi Pollution Control Committee (DPCC) on Sunday released the Yamuna's monthly water quality reports for November and December 2025. The reports showed a clear deterioration from October, even though the river remained significantly cleaner than during the same period last year.

The data shows faecal coliform levels - an indicator of untreated sewage entering the river - rising sharply over the two months. In December, faecal coliform peaked at 92,000 units/100 ml, up from 24,000 units/100 ml in November, and just 8,000 units/100 ml in October, when excess water was released upstream during Chhath Puja. The safe limit is 2,500 units/100 ml, while the desired standard...