Guinea: Simandou mine project invested by Rio Tinto, Winning Consortium, Baowu Steel Group, Chinalco and China Hongqiao pollutes water & soil and impacts community, according to study
"Simandou Construction Linked to Water and Soil Pollution in Guinea" Discovery Alert, 30 July 2025
A comprehensive investigation by Advocates for Community Alternatives collected and analyzed 19 water samples along the railway corridor and mining areas [...].
- Elevated acidity levels making water unsafe for human consumption without treatment
- Bacterial contamination exceeding World Health Organization safety guidelines
- Visible contamination in previously pristine water sources used by local communities
- Degradation of fishing areas in the coastal Moribayah region, threatening traditional livelihoods
[...] high acidity levels [...] poses direct threats to community health, especially for vulnerable populations like children and pregnant women.
[...] 19 soil samples collected throughout the project area revealed additional environmental concerns:
- Heavy metal concentrations exceeding agricultural safety thresholds
- Acidification of previously fertile farmland
- Contamination patterns correlating with construction activity zones
- Potential long-term impacts on food security for communities dependent on subsistence farming
Residents in several coastal settlements have reported structural damage to their homes, including:
- Wall cracks appearing in homes following construction activities
- Foundation settling issues correlating with nearby blasting operations
- Damage to community infrastructure including water collection systems
- Vibration impacts from heavy machinery and transport vehicles