Geochemical Processes and Assessment of Water Quality for Irrigation of Al-Shagaya Field-C, Kuwait

Al-Ruwaih F. M. • Shafiullah G.

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(English, 16 pages)

Abstract

Al-Shagaya Field-C is located southwest of Kuwait City, where the brackish groundwater is produced from the Dammam aquifer. The main objectives are to recognize the major geochemical processes operating in the aquifer and controlling its quality; in addition, to evaluate the groundwater quality criteria for drinking and irrigation. The investigation was carried out by estimating pH, EC, TDS, TH, SAR, %Na, RSC, RSBC, potential salinity, magnesium ratio, chloro-alkaline index, Kelly's ratio, Permeability index, and salinity hazard respectively. The TDS ranges between 2474 and 3232 mg/l, with an average value of 2753mg/l and the water is exceeding very hard. Groundwater shows Ca-Cl and Ca-Mg-Cl genetic water types. Results revealed that the groundwater is oversaturated with respect to dolomite and calcite and under-saturated with respect to gypsum and anhydrite. The main geochemical processes controlling groundwater chemistry in the study area are due to dissolution/ precipitation process along the path flow. The major ions composition in groundwater of the study area indicated that the water is not suitable for drinking. However, the irrigation parameters revealed that the groundwater is suitable for irrigation purposes.

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International Journal of Environment, Agriculture and Biotechnology

The International Journal of Environment, Agriculture and Biotechnology (IJEAB) is an internation... see more