• The southern part of the Gulf of Mannar region has many industries, factories and power plant. Tuticorin is a city which harbours a major port, a thermal power plant (TTPS), chemical industries and a chain of salt pans. The fly ash and untreated discharges from power plant and other industries cause environmental degradation and biodiversity loss.
  • The area between Pamban and Tuticorin basically suffers from untreated domestic sewage let out directly into the sea, which depletes the environmental health..
  • In Palk Bay, the untreated waste water from aquaculture ponds and domestic sewage pose threats to seagrass beds and coral reefs.