Abstract
The Mullaiperiyar River is one of the most imperative South Indian rivers. The present study was aimed to investigate the influence of physico-chemical factors in biological changes of Mullaiperiyar River water in Theni district. Water samples were collected from the upstream area (near the Dam - Lower camp, Kullapagoundanpatty, Karunakka muthanPatti), urban stretch area (Surlipatti, Uthamapalayam, Chinnamanur and Veerapandi) and downstream area (Theni-Aranmanaipudur, Vaigai Dam) during the period of December 2013 to March 2014 for the analysis. The samples were analyzed for various physico-chemical parameters like temperature, pH, total dissolved solids (TDS), total hardness (TH), total alkalinity (TA), calcium hardness, magnesium hardness, chloride, nitrate, nitrities, dissolved oxygen (DO), biochemical oxygen demand (BOD), chemical oxygen demand (COD), iron, and bacteriological analysis was also performed. The Mullaiperiyar River water was natural medium for the growth of bacteria. In this study, bacterial colonies such as Streptococcus, Escherichia coli, Klebsiella, Proteus, Pseudomonas aeroginosa, Salmonella typhi and Shigella dysentery organisms have been found and reported here. These findings demonstrated the non-portability of mullaiperiyar river water and this scenario alarms the need for appropriate sanitation and drainage systems. Key words: Mullaiperiyar River, physico-chemical parameters, biochemical oxygen demand (BOD), chemical oxygen demand (COD), Escherichia coli, Salmonella, non-portable water, sanitation.
Highlights
Impac ct of ph hysico o-chem mical parame eters on bactterial popula ation in n Mulla aiperiy yar Riv ver watter-The eni dis strict, Tamiln nadu, IIndia
Water samples were collected from m the upstre eam area (n near the Dam m - Lower camp, Kullapagoundan npatty, Karun nakka mutha anPatti), urb ban stretch a area (Surlipa atti, Uthama apalayam, Chinnaman nur and Veerrapandi) and d downstream area (The eni-Aranman naipudur, Vaigai Dam) during the period of December
The water quality in the Mullaiperiyar River was studied by evaluating the physico-chemical parameters and bacterial population in the nine areas during the period of December 2013 to March 2014
Summary
Impac ct of ph hysico o-chem mical parame eters on bactterial popula ation in n Mulla aiperiy yar Riv ver watter-The eni dis strict, Tamiln nadu, IIndia. The pres sent study w was aimed to investiga ate the influ uence of phy ysico-chemic cal factors iin biologicall changes o of Mullaiperiy yar River water in Th heni district. Bacterial co olonies such as Streptoc coccus, Esch herichia colii, Klebsiella, Proteus, Pseudomon nas aerogino osa, Salmon nella typhi and Shigella dysentery o organisms h have been fo ound and reported he ere. These findings f dem monstrated the t non-porttability of m mullaiperiyar river water and this scenario ala arms the nee ed for approp priate sanita ation and dra ainage system ms.
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