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Current Journal of Applied Science and Technology, p. 34-42, 2020

DOI: 10.9734/cjast/2020/v39i4831195

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Quality Status of Irrigation Water of Kaleshwaram Project Command Area of Nizamabad District in Telangana State

Journal article published in 2020 by V. Prasad, T. Anjaiah, K. Pavanchandrareddy, P. Laxminarayana, T. L. Neelima
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The present study represents the quality of ground water from Kaleshwaram project command area of Nizamabad district of Telangana state, India during year 2019-2020. Total 72 ground water samples from bore wells were collected randomly from Nizamabad periodically in two seasons i.e. pre-monsoon season (May, 2019) and post-monsoon-season (January, 2020). The ground water samples were analyzed for quality parameters viz., pH, EC, cations, anions, boron. The Sodium Adsorption Ratio and Residual Sodium Carbonate were also calculated for these ground water samples. The results found that all ground water samples from Nizamabad district were neutral to alkaline in reaction and having pH 7.02 during pre-monsoon and 7.48 during post-monsoon season respectively. EC of these water were 1.23dSm-1 and 1.53dS m-1 during pre-monsoon and post-monsoon seasons respectively. Among 72 water samples as per salinity classification 2.8, 23.61, 69.44 and 4.17 per cent water samples during pre-monsoon and 0, 1.4, 90.30 and 8.33 per cent water samples during post-monsoon were categorized in class C1, C2, C3 and C4, respectively. Among all the cations in ground water Calcium was dominant. Whereas anions CO3-2 + HCO3- are dominant. The boron concentration of ground water was ranged from 0.48 to 0.67 ppm during pre and post-monsoon, respectively. According to sodicity classes, i.e. SAR and RSC of ground waters were 100 and 47.22 per cent during pre-monsoon, 100 and 26.40 per cent during post-monsoon are suitable for irrigation. The positive significant correlation was observed between EC, cations of ground water.