Hydrochemical characteristics and quality assessment of groundwater from fractured Albian carbonaceous shale aquifers around Enyigba-Ameri, southeastern Nigeria
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Enyigba-Ameri area is known for its Pb–Zn mining activities and the mine water is usually discharged directly into nearby streams and surface runoff. In order to determine the impacts of mining activities on the quality of water in the area and the general hydrochemical characteristics, field measurements and laboratory tests were carried out on water samples collected from the area. Field measurements and laboratory analyses of physicochemical parameters were determined using standard methods. In addition to the multivariate analyses (principal component analysis and cluster analysis) and ANOVA analysis, ionic cross-plots were used to determine the groundwater physicochemical characteristics and geochemical evolution. From the results, it was observed that Pb4+, Zn2+, Fe2 + & 3+, Ca2+, Mg2+, and K+ had a concentration higher than the stipulated guideline values. Three principal components which explained 87.42% of the total dataset were extracted through the data reduction process. Cluster analysis of the hydrochemical data grouped the water samples into three distinct classes. It was observed that the water chemistry is mainly affected by silicate minerals weathering, carbonate weathering, and base ion exchange processes in descending order. ANOVA analysis showed that Zn2+, Fe2 + & 3+, and Mg2+ had mean values that significantly differed from each other based on the sources of the samples. The Wilcox diagram revealed 4 classes of irrigation water types and the irrigation water quality indices showed that the groundwater in the area is not generally suitable for irrigation purposes.
KeywordsConcentration Enyigba-Ameri Hydrochemical facies Spatial and temporal variation Water class Water quality
- Appelo, C., & Postma, D. (2005). Geochemistry, groundwater and pollution (2nd ed.). Rotterdam: Balkema. https://doi.org/10.1201/9781439833544.
- Ayuba, R., Omonona, O. V., & Onwuka, O. S. (2013). Assessment of groundwater quality of Lokoja Basement area. Journal of Geological Society ofIndia, 82, 413–420.Google Scholar
- Eaton, E. M. (1950). Significance of carbonate in irrigation water. Soil Science, 69, 123–133. https://doi.org/10.1097/00010694-195002000-00004.
- Gibbs, R. J. (1970). Mechanisms controlling world water chemistry. Science, 17, 1088–1090Google Scholar
- Harman, H. H. (1960). Modern factor analysis. University of Chicago Press, Chicago. Hydrochemistry, dynamics, and contamination processes. Water Resources Research, 38, 9-1–9-17.Google Scholar
- Inyang, P. B. E. (1975). Climate. In O. Gek (Ed.), Nigeria in maps, Eastern State (pp. 25–26). Benin City: Ethiope Pub. House.Google Scholar
- Jones, B. F., Vengosh, A., Rosenthal, E., & Yechieli, Y. (1999). Geochemical investigation of groundwater quality. In Seawater intrusion in coastal aquifers––concepts* methods and practices (pp. 1–71). Netherlands: Kluwer.Google Scholar
- Koffi, K. V., Obuobie, E., Banning, A., & Wohnlich, S. (2017). Hydrochemical characteristics of groundwater and surface water for domestic and irrigation purposes in Vea catchment, northern Ghana. Environmental Earth Sciences, 76. https://doi.org/10.1007/s12665-017-6490-3.
- Machiwala, D., & Jhab, M. K. (2015). Identifying sources of groundwater contamination in a hard rock aquifer system using multivariate statistical analyses and GIS-based geostatistical modeling techniques. Journal of Hydrology: Regional Studies, 4(2015), 80–110.Google Scholar
- Martin, T. D. (2003). METHOD 200.5 - determination of trace elements in drinking water by axially viewed inductively coupled plasma-atomic emission spectrometry. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-06/115.Google Scholar
- Okogbue, C. O., & Ukpai, N. S. (2013a). Geochemical evaluation of groundwater quality in Abakaliki area, Southeast Nigeria. Jordan Journal of Earth and Environmental Sciences, 5(1), 1–8.Google Scholar
- Okogbue, C. O., & Ukpai, S. N. (2013b). Evaluation of trace element contents in groundwater in Abakaliki metropolis and around the abandoned mine sites in the southern part, southeastern Nigeria. Environmental Earth Sciences, 70, 3351–3362. https://doi.org/10.1007/s12665-013-2401-4.CrossRefGoogle Scholar
- Omonona, O. V., & Okogbue, C. O. (2017). Geochemistry of rare earth elements in groundwater from different aquifers in the Gboko area, central Benue Trough, Nigeria. Environmental Earth Sciences. https://doi.org/10.1007/s12665-016-6329-3.
- Ravikumar, P., Somashekar, R. K., & Prakash, K. L. (2015). A comparative study on usage of Durov and Piper diagrams to interpret hydrochemical processes in groundwater from SRLIS river basin, Karnataka, India. Earth Science, 80, 31073–31077.Google Scholar
- Senthilkumar, G., Ramanathan, A. L., Nainwal, H. C., & Chidambaram, S. (2008). Evaluation of the hydrogeochemstry of groundwater using factor analysis in the Cuddalore coastal region, Tamil Nadu, India. Indian Journal of Marine Science, 37(2), 181–185.Google Scholar
- Sharma, B., & Tyagi, S. (2013). Simplification of metal ion analysis in fresh water samples by atomic absorption spectroscopy for laboratory students. Journal of Laboratory Chemical Education, 1(3), 54–58.Google Scholar
- SON (2007). Nigerian industrial standard: Nigeria standard for drinking water quality. Standard Organization of Nigeria, 1687 Lome street Wuse, Abuja ICS 13.060.20.Google Scholar
- Tiwari, A. K., Singh, A. K., & Mahato, M. K. (2017). Assessment of groundwater quality of Pratapgarh district in India for suitability of drinking purpose using water quality index (WQI) and GIS technique. Sustainable Water Resource Management, 4, 601–616. https://doi.org/10.1007/s40899-017-0144-1.CrossRefGoogle Scholar
- Towfiqul Islam, A. R. M., Shen, S., Haque, M. A., Bodrud-Doza, M., Maw, K. W., & Habib, M. A. (2017). Assessing groundwater quality and its sustainability in Joypurhat District of Bangladesh using GIS and multivariate statistical approaches. Environmental Development and Sustainability, 20, 1935–1959. https://doi.org/10.1007/s10668-017-9971-3.CrossRefGoogle Scholar
- Vengosh, A., Gill, J., Davisson, M. L., & Hudson, G. B. (2002). Amultiisotope (B, Sr, O, H, and C) and age dating study of groundwater from Salinas Valley, California: hydrochemistry, dynamics, and contamination process. Water Resources Research 38(1), 1–17.Google Scholar
- WHO. (2011). Guidelines for drinking water quality. Recommendations. Geneva: World Health Organization.Google Scholar
- Wilcox, L. V. (1955). Classification and use of irrigation water. Washington, DC; USDA circular 969. 19 p.Google Scholar