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Metal Concentration of Water of Amaravathi and Thirumoorthy Reservoirs in Tamil Nadu, India

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Metal Concentration of Water of Amaravathi and Thirumoorthy Reservoirs in Tamil Nadu, India p-ISSN: 0972-6268 Nature Environment and Pollution Technology Vol. 18 No. 4 pp. 1459-1462 2019 An International Quarterly Scientific Journal e-ISSN: 2395-3454 Original Research Paper Open Access Metal Concentration of Water of Amaravathi and Thirumoorthy Reservoirs in Tamil Nadu, India N. Natarajan†, V. Vivekk Velusamy, S. Nishar Ahamed, M. Imayaprakash and S. Dineshkumar Department of Civil Engineering, Dr. Mahalingam College of Engineering and Technology, Pollachi-642003, Tamil Nadu, India † Corresponding author: N. Natarajan ABSTRACT Nat. Env. & Poll. Tech. Website: www.neptjournal.com Reservoirs are the major source of water supply in many localities for meeting the water demand of the people, and hence it is important to monitor the metal concentration of the water stored in such reservoirs Received: 28-05-2019 for the benefit of the people in terms of drinking water and irrigation. The main objective of this study is Accepted: 21-06-2019 to monitor the metal concentrations of Arsenic (As), Boron (B), Cadmium (Cd), Chromium (Cr), Copper Key Words: (Cu), Iron (Fe), Nickel (Ni), Lead (Pb), Selenium (Se), and Zinc (Zn) in the water of the Amaravathi and Metal concentration Thirumoorthy reservoirs located in the Tiruppur district of the state of Tamil Nadu, India. Results indicate Water quality that the water collected from the Thirumoorthy reservoir is free from metal contamination while that from Water pollution the Amaravathi reservoir has a marginal contamination of Fe concentration. Thus, the water stored in Amaravathi dam these reservoirs is suitable for drinking and irrigation purpose. Thirumoorthy dam INTRODUCTION reduce the effects of water pollution (Sanchez et al. 2007). Several studies have been conducted in the past to il- Surface water is one of the major sources of water supply lustrate the significance of monitoring the metal concen- used to meet the overall demand of the urban and rural trations in the water bodies and sediments of various water population. Sources of water supply such as rivers, lakes, sources. Rajaei et al. (2012) analysed the metal concentra- reservoirs, and groundwater are being directly or indirectly tions in the water of Chah Nimeh reservoirs in Zabol, Iran. being polluted due to rapid industrialization as well as ur- They concluded that there were significant differences be- banization. Discharges from the municipal and industrial tween Cr, Ni, Pb and Se in the water of Chah Nimeh res- wastewaters are the main sources of water pollution since ervoir. Hussein et al. (2014) monitored the monthly varia- they contain organic pollutants, chemicals, metals (Gol- tions in the concentration of heavy metals (Pb, Ni and Fe) dar & Banerjee 2004). Metal pollution of water bodies is in Shatt Al-Hilla river water during November 2011-Octo- highly dangerous because of its toxicity, bioaccumulation, ber 2012 to study the extent of contamination of the river biomagnification of the food chain, prolonged persistence, with those metals. They observed a wide range of variations and thus considered to be a worldwide problem. The metal in the heavy metal concentration levels varying from high concentration in aquatic ecosystems is generally monitored concentration of one of the metals at a certain site to low based on their concentrations in water and sediment sam- content at the other. Sayadi et al. (2015) studied the con- ples (Ebrahimpour & Mushrifah 2008). Metal pollution tribution of the natural and concentration factors of heavy in water bodies can severely affect the biotic communities metals such as Cd, Pb, and Cu in the sediments of six sta- (Badantoni et al. 2004). Moreover, the metal pollution also tions of Chah Nimeh reservoir, Sistan, Iran in 2013. They affects the health of human beings and disturbs the balance observed the highest concentrations of Cd and Pb in station of the ecosystem, and social and economic development of one and maximum Cu concentration in station five. Bing et the society (Milovanovic 2007). It is very essential to mon- al. (2016) investigated the spatial distribution of the heavy itor the quality of the water resources keeping in view of the metal concentration (Cu, Cd, Pb and Zn) in the sediments of impact of human activities on the degradation of the water the Three Gorges reservoir and also assessed their potential quality (Mansouri et al. 2011). The assessment of the water risk by multiple indices and metal fraction. They concluded quality also plays a major role in developing an appropriate that the sediments were moderate to highly contaminated water quality management plan for a locality in order to by Cd, and slightly contaminated by other heavy metals. 1460 N. Natarajan et al. Azadi et al. (2018) conducted a review on studies carried the Cauvery basin. Chinnar and Tenar are the main tributary out on the contamination of lead in the coastal sediments of of Amaravathi river, which is the main source of irrigation north and south Iran during 2006 to 2016. They observed in the district. The average annual rainfall for the last six that the variability in the Pb mean concentration was con- years, namely 2013, 2014, 2015, 2016, 2017 and 2018 are siderable and statistically significant. 703 mm, 360 mm, 278 mm, 411 mm, 680 mm and 618 Amaravathi and Thirumoorthy reservoirs are the major mm respectively. The aquifers located in this region are sources of water supply for drinking and irrigation for the semi-confined or unconfined aquifers and depth of water Tiruppur district. Our study is aimed at investigation of the in these reservoirs can range from 7 m to 25 m. The water concentration of As, B, Cd, Cr, Cu, Fe, Ni, Pb, Se and Zn in supply status as on 1.4.2017 indicates that out of 3597 in- the water of the Amaravathi and Thirumoorthy reservoirs so habitants, 785 are partially covered (10-39 lpcd) and 2812 as: (1) to compare the concentration of various metals and are fully covered (40 lpcd). (2) to assess its suitability for drinking by comparison of The Amaravathi dam is a dam constructed across the the results with IS: 10500:2012. Amaravathi river in 1957. It is located at Amaravathinagar, 25 kilometers south of Udamalpet in the Indira Gandhi STUDY AREA Wildlife sanctuary, Tiruppur district in the state of Tamil Nadu, India. The associated reservoir is 9.31 km2 in area Tiruppur district is bounded by Karur district in the east, and 33.53 m deep. The dam was primarily built for irri- Coimbatore in the west, Erode in the north and Dindigul gation and flood control and four megawatts of electricity district in the south. The district lies between 11°14’ N to generation capacity was installed in 2003-2004. The surface 11°20’ N latitude and 27°77’E to 77°56’ E longitude with elevation is 427 m and the volumetric capacity is 3×109 cu- an area of 2296 sq. km. The study area consists of 13 blocks, bic feet. Amaravathi dam is located south of the Thirumoor- 265 villages and 3597 habitations. The southern part of the thy dam. Thirumoorthy dam is 20 km from Uduamlpet on district is covered by hill ranges of Western Ghats and the the highway from Palani to Coimbatore. The dam has been rest of the district consists of undulating plain sloping grad- constructed adjoining the Thirumoorthy hill. The dam is lo- ually from west to east. The major rivers flowing through cated close to a perennial stream and a waterfall. The dam is the district are Noyyal and Amaravathi, which come under located amidst the rolling hills. The topographical location Fig. 1: Location of Amaravathi dam and Thirumoorthy dam in the district of Tiruppur, Tamil Nadu, India. Vol. 18, No. 4, 2019 • Nature Environment and Pollution Technology METAL CONCENTRATION OF WATER OF AMARAVATHI AND THIRUMOORTHY RESERVOIRS 1461 of the dams in the Tiruppur district has been depicted in Fig. 1. Thus, the water from the Amaravathi reservoir was found to be suitable for drinking as well as irrigation purposes. MATERIALS AND METHODS It is observed from Table 3 that the metal concentra- tions of As, B, Cd, Cr, Cu, Fe, Ni, Pb, Se and Zn are well Water samples were collected from four different site lo- below the detectable limit of 0.001 ppm as per the results cations of each reservoir. The concentration of the metals obtained. Thus, the water from the Thirumoorthy dam is was determined using the test method of IS 3025:1964 in potable for the people of Tiruppur district. NABL accredited laboratory. Table 1 provides the sections of IS 3025:1964 that was adopted for the determination of CONCLUSION the metal concentration of various metals. The metal concentrations of As, B, Cd, Cr, Cu, Fe, Ni, Pb, RESULTS AND DISCUSSION Se and Zn were determined in the water of the reservoirs of Amaravathi and Thirumoorthy dams located in the Tir- The metal concentration of As, B, Cd, Cr, Cu, Fe, Ni, Pb, uppur district of the state of Tamil Nadu, India. The con- Se, and Zn in the water of Amaravathi and Thirumoorthy centration of the metals was found to be well below the reservoirs were analysed in this study. The results obtained detectable limit of 0.001 ppm in the Thirumoorthy dam are given in Tables 2 and 3. water. The concentration of Fe was found to be marginally It is observed from Table 2 that the concentration for higher than the limits prescribed by IS 10500: 2012 at the As, B. Cd, Ni, Se and Zn lies below the detectable limit of 0.001 ppm. The concentration of Cr is 0.01 ppm at site 1 Table 1: Sections of IS 3025: 1964 adopted for testing of metal but still within the standard limit of 0.05 ppm.
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