Physicochemical Analysis of Leachates from the Public Landfill of Guercif City Before Restoration and Impact on the Tafrata Water Table, Soil, and River Moulouya in Morocco

Nora Zamani1*, Abdellatif Janati-Iddrissi1, Khalid Bouraada1,2, Mohammed Merzouki1, Mariam Essafi1,3

1Laboratory of Biotechnology, Conservation, and Valorisation of Natural Resources (LBCVNR), Biology Department, Dhar el Mehraz Faculty of Sciences, Sidi Mohamed Ben Abdellah University, B.P. 2202. Fez, Morocco.
2Department of Life Sciences (SVI), Polydisciplinary Faculty Larache (FPL), Abdelmalek Essaadi University, Tetouan, Morocco.
3Regional Laboratory of Epidemiology and Environmental Hygiene, Ministry of Health and Social Protection, Regional Directorate of Health and Social Protection, Fez, Meknes, Morocco

Corresponding Author: [email protected] ; Tel: +212(0)667366672
Recieved Date: 07 January 2022; Accepted Date: 03 April 2022; Published Date: 03 May
Citation: Zamani N, Iddrissi AJ, Bouraada K, Merzouki M, Essafi M. Physicochemical Analysis of Leachates from the Public Landfill of Guercif City Before Restoration and Impact on the Tafrata Water Table, Soil, and River Moulouya in Morocco. Trop J Nat Prod Res. 2022; 6(4): 494-501 http://www.doi.org/10.26538/tjnpr/v6i4.7
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© 2022 Zamani et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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ABSTRACT

The leachate from the landfill of the city of Guercif (Morocco) is considered to be a major source of pollution. The present study is aimed to carry out physico-chemical analyses following Rodiers methodology in order to determine the degree of pollution of leachate from this landfill on the water table of Tafrata, the soil, and the Moulouya River. Six sampling stations in the province of Guercif were selected for the study. The method of Rodier, which distinguishes between in situ measurements and laboratory analyses, was used for the physicochemical analyses. The results revealed chemical pollution of the leachates with a BOD5 of 860 mg O2/L, a COD: 86678.19 mg O2/L, a NO2: 5.086 mg/L, a NO3-: 61.07 mg/L, and an NH4+: 30.953 mg/L. However, Moulouya river water had a BOD5: 150 mg O2/L, a COD: 168.51 mg O2/L, NO2-: 0.660 mg/L, NO3-: 31.27 mg/L and NH4+ of 0.45 mg/L. The Tafrata water table presented at the level of P1 (BOD5: 45 mg O2/l, COD: 131.97 mg O2/L, NO2-: 0.126 mg/L, NO3-: 25.6 mg/L, NH4+: 0.52 mg/L), and the landfill soil after leachate percolation had S1 (Al: 1 mg/L, Cd: 1 mg/L, Co: 1 mg/L, Cr: 3.4 mg/L and Pb: 2.9 mg/L) and S2 (Al: 383 mg/L, Cd: 1 mg/L, Co: 1 mg/L, Cr: 3.3 mg/L, Pb: 1 mg/L). The conclusion indicates that the landfill has negative impacts on groundwater, river Moulouya water and soil.

Keywords: Tafrata water table, River Moulouya, Guercif, Morocco.
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ISSN: 2616-0684 (Print)
ISSN: 2616-0692 (Online)
DOI: 10.26538/tjnpr
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