ASSESSMENT OF GROUNDWATER CONTAMINATION WITH HEAVY METALS IN RURAL AREA. CASE STUDY OF BAREBUHAR VILLAGE, DUHOK GOVERNORATE, KURDISTAN REGION OF IRAQ
Heavy metals are considered dangerous due to their tendency to bioaccumulate in a biological organism (tissues) over time. Their toxicity can result in damaged or reduced central nervous function, energy levels, lungs, kidneys, liver and other vital organs. This study was conducted to determine some heavy metals levels (Mn, Pb, Cu, Co, Ni, and Zn) in 15 deferent water sources collected from Barebuhar village, Duhok governorate. The concentration of heavy metals was determined via atomic spectrophotometer. The obtained results show that Mn and Pb concentration in some water sample were higher than recommended levels set by deferent organization such as WHO, EPA, and EC for drinking water. Since the concentrations of these heavy metals were above the standard levels in some water sources, these high levels can cause the adverse effects on human health if the water from these sources taken for drinking purposes. Also high concentrations physico-chemical parameters like EC (up to 2399 µS/cm) and TDS (up to 1243 mg/l) were detected in some water sample above permissible levels for drinking purposes.
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