https://www.indiawaterportal.org/rivers-and-lakes/rivers/mapping-pollution-why-patnas-drains-hold-the-key-to-cleaning-the-ganga https://media.assettype.com/indiawaterportal/2026-04-11/2bxlt9jp/1.jpg https://media.assettype.com/indiawaterportal/2026-04-11/eybwqks7/2.jpg https://media.assettype.com/indiawaterportal/2026-04-11/3b3qb87p/3.jpg https://media.assettype.com/indiawaterportal/2026-04-11/9d86aknj/urban-drains.jpg

Untreated wastewater from drains creates localized pollution hotspots

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