Comparative Analysis And Treatment Of Well Water In Ebonyi State Nigeria

Abstract

This project is concerned with comparative analysis and treatment of well waters in Ebonyi state, Nigeria. The well water samples for this analysis were obtained from the thirteen local government areas in the state and were analyzed for physco-chemical and microbiological parameters such as odour, pH, electrical conductivity, total hardness, magnesium, calcium ion, sulphate, nitrates, chemical oxygen demand (COD), turbidity, total coliform, Escherichia coli, faecal streptococci and plate count. The result of the experimental analysis using Response Surface Methodology (RSM) design called central composite design (CCD) showed that the chemical, physical and microbiological parameters are within the permissible limits of the NSDWQ/WHO except for nitrates, magnesium, turbidity, total coliform , Escherichia coli, plate count and faecal streptococci with values of 18.30 mg/, 7.05mg/l, 6.48 NTU, 611.00 cfu/ml, 6.92cfu/100ml, 2.62, and 141.23 cfu/100ml whereas the acceptable values by NSDWQ/WHO are 50.00/10.00mg/l, 0.20/150mg/l, 5.00NTU, 10.00/0cfu/ml, 0/0cfu/100ml, 0/0, 0/0cfu/100ml. Also, form the results of the analysis of the well water samples from Abakaliki, Afikpo North, Ezza south and Izzi local government areas contain iron content as high as 400 mg/l, 440 mg/l, 400 mg/l, and 400mg/l which are above the acceptable range of 300mg/l by NSDWQ/WHO). Therefore, from the results obtained the standard of well waters in Ebonyi state in terms of chemical, physical and microbiological data parameters are well below the required standard of NSDWQ and WHO, but can successfully be treated by adsorption method and annihilation of the microbes.