Assessment of Groundwater Quality for Irrigation and Drinking Using Water Quality Indexes in the Upper Sebaou Valley (Tizi Ouzou-eastern Algeria).

المقال يقيم جودة المياه الجوفية لأغراض الري والشرب في وادي سباو العلوي في تيزي وزو، شرق الجزائر، باستخدام مؤشرات جودة المياه المختلفة. أظهرت تحليل ثمانية عينات من المياه خلال فترة ارتفاع المياه في عام 2019 أن 99% منها تتوافق مع معايير منظمة الصحة العالمية لمياه الشرب، على الرغم من تحديد مستويات عالية من الصوديوم، والتي قد تؤثر على نفاذية التربة وكفاءة الري. تشير النتائج إلى أن المياه الجوفية مناسبة بشكل عام للاستخدامين، على الرغم من بعض المخاوف المتعلقة بالعوامل الجيولوجية والممارسات الزراعية. بالإضافة إلى ذلك، يشير المقال إلى دراسات مختلفة حول منهجيات تقييم جودة المياه والمخاطر الصحية المرتبطة بالملوثات، مع إجراء مقارنات من سياقات جغرافية مختلفة. [Extracted from the article]

This study assesses the suitability of groundwater for irrigation and drinking purposes in the Upper Sebaou Valley, using various methods. Eight water samples were collected during the high-water period in 2019 and were analyzed for major ions and physical parameters. The results revealed that the analyzed physical-chemical parameters were generally below the permissible limits of the World Health Organization (WHO), indicating good drinking water quality in 99% of the samples. The groundwater exhibited low alkaline characteristics, with pH values ranging from 7.5 to 7.8. The conductivity ranged between 843 and 1180 s/cm, and the total dissolved solids (TDS) levels ranged from 762 to 1009 in the research area. Hydrochemical facies analysis identified calcium and magnesium bicarbonate as the dominant types, with significant ions including Ca2+, Mg2+, Na+, HCO3-, Cl, and SO4-2. Multivariate statistical analysis, such as principal component analysis (PCA), provided insights into groundwater quality characterization. The analysis also highlighted the presence of high sodium levels, impacting soil permeability and causing water infiltration issues, which are crucial considerations for irrigation purposes. Overall, the results suggest that groundwater in the Upper Sebaou Valley is suitable for both drinking and irrigation purposes, with a few exceptions related to geogenic factors and excessive fertilizer use. [ABSTRACT FROM AUTHOR]

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