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/2026-04-11/9d86aknj/urban-drains.jpg Untreated wastewater from drains creates localized pollution hotspots 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 indiawaterportal en 2026-04-11T05:50:28.022Z Mapping pollution: Why Patna’s drains hold the key to cleaning the Ganga Ganga River pollution, Patna urban drainage, wastewater management India, GIS river monitoring, urban river restoration, Patna water quality study, seasonal water chemistry, irrigation water suitability, sewage treatment Patna, non-point source pollution https://www.indiawaterportal.org/rivers-and-lakes/when-cities-swallow-lakes-what-keralas-akkulamveli-reveals-about-pollution-in-urban-lakes-of-india https://media.assettype.com/indiawaterportal/2026-04-09/vxtjrnn7/lead.jpg Urbanisation and the toxic turn of Akkulam–Veli Lake https://media.assettype.com/indiawaterportal/2026-04-09/nroayabe/1.jpg https://media.assettype.com/indiawaterportal/2026-04-09/wrqc73fw/2.jpg indiawaterportal en 2026-04-10T04:58:00.000Z When cities swallow lakes: What Kerala's Akkulam–Veli reveals about pollution in urban lakes of India Akkulam-Veli Lake pollution, Urban lake contamination India, Heavy metal contamination in water, Kerala environmental research 2026, Thiruvananthapuram water quality, Urbanisation and wetland loss, Sediment pollution reservoir, Lead and cadmium in urban lakes, Parvathy Puthanaar canal pollution, Sustainable urban planning India