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1 Acta Geophysica

1 2023

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Investigation of the potential risks to the human health risk of fluoride and nitrate via water consumption for some areas in Nineveh Governorate, Iraq

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Al-Gadi N. A. S. , Al-Saffawi A. Y. T. , Béjaoui M. , Mahmoudi E.

2023

tom Vol. 71, no. 6

2955--2969

The current study aims to assess the human health risks caused by fluoride and nitrate ions in groundwater in the areas of Khorsibat, Beibukht and Abbasiya used for drinking purposes; As 360 water samples were collected from 15 wells for the period between July 2021 and June 2022 AD to determine the concentrations of nitrate and fluoride ions, after that, the chronic daily intake and the quotient risk (HI) for them were calculated to assess the suitability of water for drinking for all age groups. The results of the study indicated that the concentration levels of nitrates and fluorides ranged between (44.51-9.11) and (2.179-0.158) mg l-1 consecutively, as it was noticed that the concentrations increased clearly whenever we headed south of the study area, especially nitrate ions. The results also indicated that 87% and 47% of the values of the hazard quotient for nitrates (HI) and 73% and 47% for fluorides for the category of infants and children from 6 to 11 years have exceeded the safe drinking levels of (1.0). The quotient hazard (HI) for nitrates and fluorides for females (21 to Old) was relatively high compared to males, reaching (1.00474) and (1.00474), respectively, which indicates that local groundwater has negative health effects for the mentioned age groups. These results can help in developing appropriate strategies for the overall management of water resources, in particular by providing scientific data for decision-making and management of groundwater resources for use in drinking water supply.