Chemical Assessment of Copper in the Groundwater of Saharsa District, Bihar

Present paper describes the concentration of copper in the groundwater of Saharsa District, Bihar which is situated at latitude 25035’ -26028’ N and longitude 86018’ - 86051’ E. Groundwater samples were collected for two seasons namely pre-monsoon (MayJune) and post-monsoon (October-November) in the year 2022. All the ten community development blocks of Saharsa district have been selected as sampling sites and from each block two samples either from well or tube well, on the basis of availability of functioning well or tube-well, have been collected for analysis. Thus, all together twenty samples were collected. Descriptions of these samples are given in the Table-1. These samples were analyzed for the concentration of copper and the analytical results have been tabulated in the Table-1. The value of copper (Cu) was found to be ranged between 0.211 ppm to 0.312 ppm and 0.206 ppm to 0.308 ppm for pre- and post-monsoon seasons respectively. The average value was between 0.210 ppm to 0.310 ppm. The acceptable value of copper is 0.05 ppm as prescribed by USPH but the maximum allowable limit is 1.5 ppm prescribed by both USPH and WHO. Though all the values are higher than 0.05 ppm but these are within the maximum allowable limit of 1.5 ppm.