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www.aasrc.org/aasrj American Academic & Scholarly Research Journal Vol. 4, No. 4 July 2012 [18] Reinhart, D.R and Grosh, C.J. Analysis of Florida MSW landfill leachate quality, Florida Center for Solid and Hazardous Waste Management, Gainesville, Fla, USA. Tech. Report., 97-3. (1998). [19] Renou, S., Givaudan, J.G., Poulain, S., Dirassouyan, F and Moulin, P. (2008). Landfill leachate treatment: review and opportunity .Journal of Hazardous Mater., 150(3), 468-493. [20] Tiwari, T.N. and Mishra, M.A. A preliminary assignment of water quality index of major Indian Rivers. Indian J. Environ. Proc., (5),276-279. .(1985) [21] Todd, D.K. and. Mays, L.W. Groundwater Hydrology, John Wiley and Sons Inc., 652. (2005). [22] World Health Organization, Rapid Assessment of Drinking Water Quality.Country Report Nigeria,p.82. (2006). [23] Yogedra, K and Puttaiah, E.T. Determination of Water Quality Index and Suitability of an Urban Waterbody in Shimga town, Karnatka.Sengupta,M and Dalwani,R (Eds.).Proceedings of Taal2007:The World Lake Conference.342-346. (2008). Table 1: Level of detected heavy metal constituents in groundwater samples Sampling location Fe Cu Cd Mn Pb Zn Cr G1 0.05 0.20 0.130 0.10 ND 1.40 ND G2 0.11 0.40 0.190 2.40 1.7 8.60 0.02 G3 ND 0.10 0.190 0.80 ND 4.20 0.04 G4 0.15 0.50 0.150 0.30 ND 2.40 0.01 G5 2.39 7.34 0.220 5.89 3.14 18.20 ND G6 0.68 0.27 0.050 0.08 0.07 12.70 0.03 G7 0.15 0.06 0.130 0.04 0.02 5.74 0.01 G8 10.16 8.71 0.080 0.26 0.15 55.18 0.02 G9 0.06 0.02 0.040 0.04 0.01 8.64 ND G10 8.07 6.92 0.120 0.22 0.11 49.65 0.03 G11 2.76 2.36 0.020 0.09 0.08 29.82 0.01 G12 0.89 0.54 0.020 0.07 0.04 25.61 0.03 G13 0.12 0.08 0.130 0.09 0.03 10.42 0.02 G14 0.08 0.04 0.320 3.00 0.02 4.10 ND G15 1.52 3.64 0.210 30.00 0.10 35.19 0.01 WHO Std. 0.3 2.00 0.003 0.20 0.01 5.00 0.05 All parameters are measured in mg/L; ND-Not detected, WHO-World Health Organization Table 2: Statistics of Heavy metal constituents in groundwater samples Parameters Range Mean ±SD Iron(mg/L) 0.0-10.16 1.81±3.12 Copper 0.02-8.71 2.08±3.08 Cadmium (mg/L) 0.02-0.32 0.13±0.08 Manganese (mg/L) 0.04-30.0 2.89±7.68 Lead (mg/L) 0.0-3.14 0.36±0.88 Zinc (mg/L) 1.40-55.18 18.12±17.30 Chromium (mg/L) 0.0-0.04 0.02±0.01 SD: Standard Deviation 46
www.aasrc.org/aasrj American Academic & Scholarly Research Journal Vol. 4, No. 4 July 2012 Contamination index value 500 450 400 350 300 250 200 150 100 50 0 43.33 247.05 67.33 Fig.1: Sampling locations 51.4 432.06 28.48 Fig. 2:Computed contamination index for the sampling locations 46.48 96.83 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 Sampling Points 47 15.06 92.09 31.01 18.76 48.81 123.67 236.89
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