Physicochemical and organic quality assessment of Mexa dam's waters and its suitability for agricultural use

Abstract

The construction of Mexa dam allowed to store the quantities of runoff water inside the Mafragh watershed extended over 2500 km2. The dam is destined to supply drinking water and it is used by the riparian population for irrigation of agricultural land. The waters, that feed the dam, flow from Tunisian territory and constitute a very dense and ramified hydrographic network. The objective of this work is to study the evolution of some physicochemical and organic parameters analyzed during the years 2012 and 2013 to identify the hydrochemical facies and the pollution degree of dam’s water using the Stiff and Organic Pollution Index (O.P.I) respectively and the suitability for agricultural utilization using Riverside classification...