References

APHA, 1998. Standard Methods for Examination of Water and Wastewater. 20th Edn., American Public Health Association, American Water Works Association and Water Environment Federation, Washington, DC., ISBN-13: 978-0875532356, Pages: 1220.

Abimbola, A.F., M.N. Tijani and S.I. Nurudeen, 1999. Some aspects of groundwater quality in Abeokuta and its environs southwestern Nigeria. Water Resour. J. Nig. Asssoc. Hydrogeologists, 10: 6-11.

Adelana, S.M.A. and P.I. Olasehinde, 2003. High nitrate in water supply in Nigeria: Implications for human health. Water Resour. J. Nig. Assoc. Hydrogeologists, 14: 1-11.

Adeyemi, G.O., A.O. Adesile and O.B. Obayomi, 2003. Chemical characteristics of some wells in Ikire southwestern Nigeria. Water Resour. J. Nig. Assoc. Hydrogeologists, 14: 12-18.

Anudu, G. K., S.E. Obrike and L.N. Onuba, 2008. Physico-chemical quality of groundwater in Abagana and its environs, Anambra Basin, Southeastern Nigeria. Int. J. Chem. Sci., 1: 296-301.

Back, W., 1961. Techniques for mapping of hydrochemical facies. US Geological Survey Professional Paper, 424-D. pp: 380-382.

California Fertilizer Committee, 1975. Western Fertilizer Handbook. 5th Edn., The Interstate Printers and Publishers, Danville, Illinois, ISBN-13: 9780813417363, pp: 250.

Elueze, A.A., J.O. Omidiran and M.E. Nton, 2004. Hydrochemical investigation of surface water and geoundwater around Ibokun, Ilesha area, Southwestern Nigeria. J. Mining Geol., 40: 57-64.

Ezeigbo, H.I., 1998. Geological and hydrogeological influences on the Nigerian environment. J. Nig. Assoc. Hydrogeologists, 1: 38-39.

Gibbs, R.J., 1970. Mechanisms controlling world water chemistry. Science, 170: 1088-1090.
CrossRef  |  Direct Link  |  

Hamill, L. and F.G. Bell, 1986. Groundwater Resource Development. Butterworth Publishers, Stoneham Massachusetts, ISBN-13: 9780408014090, pp: 344.

Hanshaw, B.B., 1965. Chemical Geohydrology. In: Advances in Hydroscience, V. te Chow (Ed.). Vol. 2, Academic Press, New York, pp: 49-109.

Hiscock, K.M., 2005. Hydrogeology: Principles and Practice. John Wiley and Sons, New York, ISBN-13: 9780632057634, pp: 389.

Lloyd, J.W. and J.A. Heathcote, 1985. Natural Inorganic Hydrochemistry in Relation to Groundwater: An introduction. Clarendon Press, Oxford, ISBN-13: 9780198544227, Pages: 296.

Mandel, S. and Z.L. Shiftan, 1991. Groundwater Resources Investigation and Development. Academic Press, Inc., New York.

Okagbue, C.O., 1988. Hydrology and Chemical Characteristics of Surface and Ground Water Resources of the Okigwe Area and Environs., Imo-State, Nigeria. In: Groundwater and Mineral Resources of Nigeria (Earth Evolution Science Series), Ofoegbu, C.O. (Ed.). Viewing, Germany.

Piper, A.M., 1944. A graphic procedure in the geochemical interpretation of water-analyses. EOS Trans. Am. Geophys. Union, 25: 914-928.
CrossRef  |  Direct Link  |  

Sawyer, C.N. and P.L. McCarty, 1967. Chemistry for Sanitary Engineers. 2nd Edn., McGraw-Hill, New York, ISBN: 9780070549708, Pages: 518.

Stiff, Jr. H.A., 1951. The interpretation of chemical water analysis by means of patterns. J. Petrol. Technol., 3: 15-17.

Tijani, M.N., 1994. Hydrochemical assessment of groundwater in Moro area, Kwara State, Nigeria. Environ. Geol., 12: 194-202.

Todd, D.K., 1980. Groundwater Hydrology. 2nd Edn., John Wiley and Sons, New York, USA., pp: 267-315.

WHO, 2006. World Health Organisation Guidelines for Drinking Water Quality. 3rd Edn., Vol. 1, World Health Organisation of the United Nations, Rome, Italy, pp: 68.

Wilcox, L.V., 1955. Classification and Use of Irrigation Waters. 1st Edn., United States Department of Agriculture, Washington, DC., Pages: 19.