Fecal levels at all time high, why Yamuna is stinking like never before

Untreated sewage leads to record-high fecal levels in Delhi's Yamuna River, peaking at 4,900,000 MPN/100 ml in September. Despite monsoon rains improving dissolved oxygen, severe pollution persists, exacerbated by failing sewage treatment plants and contamination from unauthorized colonies and animal waste.
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