Summary from the original article

Tourism in Chiang Rai could be affected by reports of contamination in local rivers, including the Kok, which have undermined tourist confidence, although daily water consumption in most areas remains unaffected.
By Bangkok Post Public Company Limited ·
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Upgrade this serverTourism in Chiang Rai could be affected by reports of contamination in local rivers, including the Kok, which have undermined tourist confidence, although daily water consumption in most areas remains unaffected.
3 hours ago · bangkokpost.com · You are reading this one
Arsenic levels surged to as much as 30 times the Thai standard, threatening drinking water and farmland in the country's north.
19 hours ago · japantimes.co.jp
CHIANG RAI – Aggressive mining expansion across eastern Myanmar is severely contaminating vital transboundary river systems. Toxic industrial runoff now flows unchecked from Shan State straight into northern Thailand. Recent environmental monitoring reveals unsafe heavy metal levels across the Kok, Sai, Ruak, and Mekong rivers. Upstream mountain ranges are being stripped bare for gold, lead, […] The post Toxins From Myanmar Mining Hit Chiang Rai Rivers first appeared on Chiang Rai Times .
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