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This research aims to quantify human health risks associated with heavy metal contamination in rural Nigerian groundwater.

June 13, 2026Iconic Research and Engineering Journals

Heavy Metal Contamination in Rural Nigerian Groundwater: A Human Health Risk Assessment Framework for Sedimentary and Basement Complex Aquifers

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This research aims to quantify human health risks associated with heavy metal contamination in rural Nigerian groundwater.
Collected water samples from hand-dug wells in Sobe and Elegbeka during dry and wet seasons.
Calculated hazard quotients and cancer risk indices using the US EPA probabilistic risk model for ingestion, dermal contact, and inhalation.
Performed a comparative geological analysis of sedimentary and basement complex aquifers.
Chromium and cadmium presented the highest cancer risk in sampled communities.
Total cancer risk indices exceeded the acceptable limit of 1x10⁻⁴ in multiple wells during the dry season.
Higher non-carcinogenic hazard indices were observed for zinc and chromium in Elegbeka, indicating significant health risks.

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Randomized trial evaluates health risks of heavy metals in rural Nigeria, suggesting urgent intervention is needed.

Osayande et al. (2026) studied this question.

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