Evaluation of physical and chemical properties of water from some wells in Balad district within Salah al-Din governorate

Abstract

This study was conducted on water samples from 4 wells in the Balad district, Salah Al-Din Governorate, Iraq, to assess the water quality. Four wells were studied for the period from the month of November 2019 to February 2020, the chemical and physical analyzes were carried out in the Environmental Laboratory of the College of Science, Tikrit University. Electrical conductivity values rates ranged between (590-3492)µs/cm.pH values rates ranged (7.02-7.85). The sulfate values ranged between (49.672-796.279) mg/L. Dissolved solids of well water were (753-3614) mg/L. Total alkalinity values ​​were low during study period, as recorded (84.5-174.25) mg/L. The chloride ions values rates ​​ranged between (52.5-241.25) mg/L. Reason of groundwater very hardness due to geological factors of study area ,Which was mostly the result of ion bicarbonates , ranging values of total hardness, calcium and magnesium hardness between (795-1905) mg / L, (610-1025) mg / L, (135-1010) mg/L respectively. As for heavy metals, the study recorded values ​​for lead whose rates ranged between (0.355-0.509) mg/L, while zinc recorded values ​​ranging between (0.033- 3.841) mg/L, The results of the study showed that the physicochemical parameters of well water were not conformity with the Iraqi and international specifications for drinking water, except for well 2. The research aims to assess the water quality of some groundwater wells and indicate its suitability for irrigation and drinking in the light of international and Iraqi standards