Thaer Zaid Ibrahim Al-Sallal✉ and Abdulazeez Y.T. Al-Saffawi
Department of Biology, College of Education, Mosul University, Iraq
Received: Jul 15, 2023/ Revised: Aug 19, 2023/ Accepted: Aug 23, 2023
(✉) Corresponding Author: thaer.21esp51@student.uomosul.edu.iq
Abstract
The current study included estimating the concentration of nitrate ions in order to determine the health risks to humans and animals of the groundwater in Tal Abta sub-district, Hatra district within Nineveh governorate. The results indicated that the nitrate levels ranged between (12.31-12.71) ppm. Thus, 100% of the studied samples were within the permissible international standard limits for drinking. This relative increase in nitrates was reflected in the chronic daily intake (CDI) values and risk quotient (HQ) for nitrates, which ranged between (0.896116- 0.332057) mg/kg. day and (0.207535-0.560073), consecutively. Fortunately, the nitrate risk quotient was within the safe levels for drinking (HQ = 1.0) according to the US-EPA, and despite this, the infant group was more affected by nitrates, while the age group (18 to 16) was less affected compared to the studied age groups, With regard to the results of the nitrate pollution index (NPI), the values ranged between (0.258-0.237), so that the water quality is in the category of Light Polluted.
Keywords: Nitrate pollution index (NPI), HHR of NO3, Drinking water
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How to cite this article
Al-Sallal, T. Z. I. and Al-Saffawi, A. Y. T. (2023). Assessment of nitrate concentrations in groundwater of Tal Abta Sub-District, Iraq: Health risks and pollution evaluation. Chemical and Environmental Science Archives, Vol. 3(3), 55-60 https://doi.org/10.47587/CESA.2023.3302
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