Concentration Levels of Heavy Metals in Tailings, Water and Sweet Potatoes in Artisanal Gold Mining Areas of Kuria West Sub-county, Kenya

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Heavy metal concentrations in tailings, including arsenic and lead, exceeded World Health Organization limits, heightening health risks.
Comparatively lower heavy metal levels were found in panning pond water and river water, although some exceeded WHO standards.
Sweet potatoes showed significant heavy metal presence, with chromium and arsenic concentrations surpassing recommended safety limits.
Continuous monitoring and regulation of artisanal gold mining activities are essential to protect local residents from hazardous contaminants.

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Analysis revealed heavy metal concentrations exceeding WHO limits in sweet potatoes and water, indicating serious health risks.

Mbaka et al. (2025) studied this question.

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