R. Srikanth CHENNAI: The public hearing on waste dumping at Pallikaranai marshland, organised by the expert committee on solid waste management at Pallikaranai, on Sunday saw a good response from residents and environmentalists. Initiating the meeting, Sheela Rani Chunkath, convener of the expert committee, said the Corporation Commissioner had pointed out that it was hard to entirely stop dumping operation at the Perungudi yard because of the space constraint. Thoraipakkam resident Dheena Rajan, who works for a software company located opposite the yard, said the Perungudi sewage treatment plant was overflowing with raw sewage and had affected her well water, which had turned red in colour. Ms. Rajan recalled an incident when she complained to the Tamil Nadu Pollution Control Board and an official asked her: