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Hexavalent chromium [Cr(VI)] is one of the priority substances due to being capable of inducing adverse effects on human health. Understanding hexavalent chromium contamination in groundwater resources is essential for risk estimation. Therefore, in this study, 18 shallow groundwater samples were investigated from the area near the Pangkajene river to assess the health risks posed to communities. Monte Carlo Simulation (MCS) was applied to help in estimating non-carcinogenic and carcinogenic risks, as well as analyzing the sensitivity of each health risk parameter. The average Cr(VI) concentration was 0.002 mg/L, which is higher than the public health goals (PHG) value for drinking water. There was no non-carcinogenic risk discovered from groundwater exposure (HI < 1). Meanwhile, the carcinogenic assessment revealed that the Pangkajene populations had a low tendency of developing cancer (TCR …