Please select the required item. Water Quality Standards -Drinking Water Standards -Effluent Standards -Surface Water Standards -Coastal Water Quality Standards -Groundwater Quality Standards -Water Quality for Fresh Water Animal Classification of Marine Water Class Description 1 Natural Resource Preservation Areas 2 Coral Reef Conservation Areas 3 Aquaculture Area 4 Recreation Areas 5 Industrial or Ports Zone 6 Resdential Districts Areas Additional Data : Mirine Water Quality Standard (Full Version in Pdf) from Marine Environment Division Sea For Use (in Thai)