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Environmental investigators determine that the February 2025 failure of a tailings dam owned by a Chinese

2025 Sino-Metals Leach Zambia dam disaster — Environmental investigators determine that the February 2025 failure of a tailings dam owned by a Chinese copper mining company dumped 50 million liters of highly toxic waste into

Published March 15, 2025· Updated October 28, 2026·1 min read

Context: 2025 Sino-Metals Leach Zambia dam disaster.

Environmental investigators determine that the February 2025 failure of a tailings dam owned by a Chinese copper mining company dumped 50 million liters of highly toxic waste into the Kafue River basin, killing ecosystems up to 100 km (62 mi) downstream and impacting the water supply, fishing activities, and irrigation of 60% of Zambia's population. [https://www.the-independent.com/news/world/africa/zambia-kafue-river-acidic-waste-spill-china-b2715672.html ( The Independent )]

Event summary via Wikipedia Current Events (2025-03-15).