Pollution Research Paper

Vol 38, Issue 3, 2019; Page No.(528-535)

PHYSICOCHEMICAL QUALITY OF WATER OF AN URBAN POND NORTH-EAST OF ALGERIA

HAMLI ALOUIA, REGGAM ASMA, MAAZI MOHAMED-CHERIF AND HOUHAMDI MOUSSA

Abstract

The Tamlouka pond is the only urban water feature of the highland wetland eco-complex; located northeast of Algeria. This pond is extremely threatened by the risks of agricultural and industrial pollution and the intensification of urbanization. It receives wastewater discharges directly from cities and neighboring municipalities. To assess the evolution of its state of health and its impact on the environment and public health, physicochemical analysis of the water of this pond were carried out during the year (2015-2016). Twelve parameters were measured: Temperature (T), pH, Electrical Conductivity (EC), Total Hardness (TH), Phosphates (PO4 3-), Dissolved Oxygen (DO), Organic Matter (OM), Calcium (Ca2+), Magnesium (Mg2+) and nitrogen compounds. The water samples were collected from six sampling stations (S1, S2, S3, S4, S5, and S6) selected according to the urbanization of the watershed and the hydro logical importance of the effluents and discharges. It has been noticed from the analysis of various water sampling stations the presence of nitrogen compound and PO4 3- with an increasing gradient at stations S4 and S5. Waters in stations S1 and S2 are strongly mineralized, where electrical conductivity levels have exceeded 9350 μS/ Cm. Principal Components Analysis (PCA) revealed two gradients: the first represents the degree of organic pollution, while the second describes the mineralization of the waters to address the main causes of pollution.

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