history of drinking water treatment – epa at thailand

history of drinking water treatment – epa at thailand
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  • Does Thailand have a good drinking water quality?
  • Drinking water quality standards of Thailand. Not detected. The largest source of groundwater in Thailand is in Bangkok and surrounding provinces, with the current levels of groundwater extraction exceeding safe yields and leading to adverse effects. Six groundwater samples were collected from around Bangkok area.
  • How good is bottled water in Thailand?
  • In Bangkok and the surrounding area, consumption of bottled drinking water increased from 23% in 1995 to 40% in 2000. Therefore, the quality of bottled water also needs to be monitored and standardized carefully. Chlorination is widely used at waterworks in Thailand.
  • Why is water pollution a problem in Thailand?
  • Due to their environmental persistence, these pollutants can cause contamination of surface water and groundwater which are the main water resources for drinking water production in Thailand. Transport over relative long distances has been reported for those pollutants exhibiting high water solubility ( Eichhorn et al., 2002 ).
  • How much urban wastewater is treated in Thailand?
  • However, only small portion of total urban wastewater generated in Thailand is treated. Twenty-nine urban wastewater collection and treatment plants have been constructed in 24 municipalities. However, the facilities can serve only 400,000 m3/day or about 2.3 million (approximately 10 %) of urban population.