alexa Heavy Metal Concentrations and Physicochemical Characte
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
Open Access

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Research Article

Heavy Metal Concentrations and Physicochemical Characteristics of Effluent along the Discharge Route from Hawassa Textile Factory, Ethiopia

Solomon Sorsa1*, Yadessa Chibssa2, Girma Tilahun1 and Daniel Fitamo1
1Department of Biology, College of Natural and Computational Sciences, Hawassa University, Hawassa, Ethiopia
2Department of Biology, College of Natural and Computational Sciences, Wachamo University, Hossaina, Ethiopia
Corresponding Author : Solomon Sorsa
Department of Biology
College of Natural and Computational Sciences
Hawassa University, P.O.Box 49
Hawassa, Ethiopia
Tel: +251916828248
E-mail: [email protected]
Received March 23, 2015; Accepted March 31, 2015; Published April 04, 2015
Citation: Solomon S, Yadessa C, Girma T, Daniel F (2015) Heavy Metal Concentrations and Physicochemical Characteristics of Effluent along the Discharge Route from Hawassa Textile Factory, Ethiopia. J Environ Anal Toxicol 5:285. doi: 10.4172/2161-0525.1000285
Copyright: © 2015 Sorsa S, 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.
 

Abstract

Hawassa Textile Factory discharges virtually treated effluent into the nearby receiving environment. A study was carried out to assess the physicochemical characteristics and heavy metal levels of effluent released from biological treatment lagoon of the Factory. Heavy metals concentrations in sediment and macrophyte of the nearby stream to which the textile effluent is directed was also measured. Results indicated that some physico-chemical parameters such as pH, PO4, conductivity and TDS of the waste water from the two sampling sites were above provisional discharge limits set at national and/or international levels. The concentration of almost all detected heavy metals in samples analyzed from both sites generally followed the order: sediment > macrophytes > flowing waste water. The heavy metals levels detected in sediment samples from both sites followed the order: Mn > Zn > Cu > Cr > Pb > Cd. The mean concentrations of heavy metals in macrophytes followed the same order as in sediment while the sequence in waste water followed the order: Cu > Mn > Zn > Cr. However, Pb and Cd were below detection limit in both macrophytes and waste water samples. Even though the concentrations of heavy metals in samples analyzed were below acceptable ranges of the provisional discharge limits, their accumulation over time and the potential threat on environment health and disruption of ecological integrity was overemphasized. This study suggests quick intervention and closes monitoring to arrest and solve the growing environmental pollution and associated problems in the area.

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