AMARENDRA HARICHANDAN, KABIR MOHAN SETHY, STHITAPRAGYAN PANIGRAHI AND SMRUTIRANJAN PRADHAN
Abstract
Except at location GW2, the mean concentrations of a few studied water quality parameters in all water samples were found to be below the permissible value for drinking water as defined by BIS 2012. The water samples from GW2 and GW1 have high values for water quality parameters (WQP) such as total dissolved solids (1111.7 mg/l), total hardness (311 mg/l), calcium (111 mg/l), nitrate (19.33 mg/l), and electrical conductivity (2016.67S/cm), which are all above the BIS 2012 drinking water standard. The water quality of samples collected from GW2 (76) and GW2 (57) is rated as very poor and poor, respectively. The water quality index (WQI) values in the area are GW2>GW1>GW4>GW9. A correlation study reveals that the following water quality parameters have the most significant influence on the WQI score: EC, F-, NO3-, TH, TDS, Ca2+, Cl-.