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Summary

Ikenna Ugonna Uzonu, Precious Ihuoma Ikechukwu, Ruth Obiageri Ikechukwu — Kaduna Journal of Geography · Given the documented threats posed by heavy metal contamination to environmental and public health, this study assessed heavy metal concentrations in surface and groundwater around the decommissioned Kurudu dumpsite in Abuja, FCT. Groundwater samples were collected from two boreholes (GW1 and GW2) and one hand-dug well (GW3) within the vicinity of the dumpsite. Surface water samples were obtained from Oja River at three points—upstream, midstream, and downstream - between February and March, from 8:00 a.m. to 12:00 p.m., using 500 mL specimen bottles. Data analysis was performed using Analysis of Variance (ANOVA), with mean separation by Duncan’s Multiple Range Test, while metal concentrations were determined using Atomic Absorption Spectrometry. The results showed iron concentrations of 0.40±0.11, 0.09±0.02, and 0.15±0.01 mg/L in GW1, GW2, and GW3 respectively. Lead was not detected