Taxic foam floating on Yamuna riverfront water surface in Kalinidi Kunj Ghat, Yamuna River port, New Delhi

water pollution delhi water yamuna river okhla barrage kalindi kunj ghat white foam sewage industrial danger dam travel industry drainage dumping capital poverty black water chemical river port contamination uttar pradesh damage bridge holy river delhi tourism environment traffic environmental garbage india nature new delhi poisonous polluted water river toxic asia dirt dirty disposal dump ecology third world country trash waste shore disease drinking