A resident points to the waste dumped into Sungai Manggis October 17, 2020. — Bernama pic

PUTRAJAYA, Oct 20 — The black and smelly water in a flood catchment pond and Sungai Langat, Selangor was not due to effluent discharge from a factory processing recycled paper in Banting, said Department of Environment (DoE) director-general Norlin Jaafar.