DJB begins sprinkling anti-foaming solutions on toxic froth on Yamuna October 23, 2024 | Industrial Wastewater, Key Segments, Municipal Wastewater, News & Developments, Wastewater Delhi Jal Board (DJB) has started sprinkling anti-foaming solution to curb the toxic froth around Okhla barrage on Yamuna river on October 22, 2024. This content is restricted.