Open problems · Environment & pollution
Najafgarh drain, the Yamuna's biggest polluter
The Najafgarh drain carries more pollution into the Yamuna than any other drain in Delhi.
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DiscussionOpen for ideas, evidence and questions.
What we know
The Najafgarh drain is the largest polluter of the Yamuna.
Open questions
- What does water sampling along the Najafgarh drain show, and is it published?
- How much of the sewage entering the drain is treated before it reaches the river?
- Which plans to clean the drain have been announced, and what happened to them?
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