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This study aims to assess heavy metal concentrations in groundwater and evaluate associated health risks in coastal communities.

August 3, 2026Iconic Research and Engineering JournalsOpen Access

Hydrochemical Characterisation, Heavy Metal Pollution, and Human Health Risk Assessment of Groundwater in Selected Coastal Communities of the Niger Delta, Nigeria

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Randomized trial assesses heavy metal pollution and health risks in groundwater, indicating significant public health concerns.

This study aims to assess heavy metal concentrations in groundwater and evaluate associated health risks in coastal communities.
Collected 24 borehole water samples for analysis
Utilized heavy metal pollution index, hazard quotient, and carcinogenic risk calculations
Employed Pearson correlation and principal component analysis to assess contamination sources
Iron concentration ranged from 0.21–1.34 mg/L; Pb, Cd, As, and Cr exceeded WHO guideline values
HPI values classified 25.0% as low, 54.2% moderate, and 20.8% highly polluted groundwater samples
Non-carcinogenic health risks for children were higher, with HI values ranging from 1.12-2.63

Okpoji et al. (2026) studied this question.

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