The Department of Water & Sanitation has warned residents living downstream from major dams like the Vaal or Gariep of possible flooding of settlements in lower-lying areas within the 100-year floodline. The department's spokesperson, Wisane Mavasa, says water levels in the areas had prompted the government to warn residents.  Thabiso Kotane speaks to Department of Water and Sanitation Deputy minister, David Mahlobo.