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Arsenic in Kok, Sai, Mekong rivers still above standard despite rain

Arsenic in Kok, Sai, Mekong rivers still above standard despite rain

13 Sept 12:43 Key points summarised by AI
  • Rivers in Chiang Rai, Thailand, including the Kok, Sai, and Mekong, exhibit heavy metal contamination (arsenic, lead, manganese) exceeding standard levels, even during the rainy season.
  • Pollution Control Department tests confirm arsenic levels average 0.01mg/L, surpassing safety standards and raising concerns for human health and vegetation.
  • Unregulated mining activities in Myanmar's Shan State are identified as the primary source of the toxic discharge, with diplomatic efforts to address the issue showing no progress.
  • A Thai political leader's appeal to the Chinese Embassy revealed China's lack of control over Shan State mining but suggested the Mekong River Commission as the proper channel for resolution and coordination with Myanmar.
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