Hydrochemistry of Fresh Surface Water (Tanks) in Hospet City (India) based on Water Quality Index (WQI)

G. Mallanagoud; Manjappa S; Suresh B

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25-Mar-23

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Hydrochemistry of Fresh Surface Water (Tanks) in Hospet City (India) based on Water Quality Index (WQI)

Author(s):

G. Mallanagoud , Veerashiva College Bellari; Manjappa S, U.B.D. College of Engineering, Davangere, Karnataka; Suresh B, Bapuji Institute of Engineering & Technology, Davangere, Karnataka, India

Keywords:

Surface Water, Water Quality Index, Agriculture and Domestic, Tanks

Abstract:

The present work is intended to be analyses concerning with fresh surface water (lakes) quality in Hospet city (India) based on water quality index (WQI). Water quality index (WQI) is a tool to identify the quality of surface water and it used for to calculate for different surface water resources especially lakes, in Hospet city, Karnataka, (India), for the session June 2007 to May 2008; comprising of three seasons, summer, winter and rainy season. Sampling points were selected on the basis of their importance. Water quality index was used to calculate indices calculator given by National Sanitation Foundation (NSF) information system. The calculated (WQI) for various studied fresh surface water lakes showed fair water quality in monsoon season which then changed too medium in winter and poor for summer season. The results obtained for the WQI from the different sampling stations were found to be varied from 34.80 to 36.26 for Monsoon season, 38.52 to 48.67 for winter and 55.05 to 84.94 for summer seasons. The results conclude, Kampli and Komalapura tanks receives domestic and agricultural run-off from the adjoining areas. Kampli and Kamalapura tanks also declined in aesthetic quality over past decade following invasion of aquatic weeds such as hydrilla and water primrose, so the reasons to import water quality change and measures to be taken up in terms of surface water (lakes) quality management are required. Somalapura tank showed medium water quality rating in all season except monsoon season.