| [1] | Conred Nigeria Ltd. “Geophysical Investigation of Agapalawa Area”. Borno State Water Board, Maiduguri, Unpublished report, 23, 1978. |
| |
| [2] | Carter, J.D., Barber, W., Tait, E.A. and Jones, G.P. “The Geology of parts of Adamawa, Bauchi and Bornu Provinces in Northeastern Nigeria”. Bull. Geol. Surv. Nigeria, 30, 109, 1963. |
| |
| [3] | American Public Health Association. “Standard Methods for Analysis of Water and Waste Water”. American Public Health Association, Inc, Washington DC., 1992 |
| |
| [4] | World Health Organization. “Guidelines for Drinking Water Quality”. International Standard for Drinking Water, 1. Geneva. 130, 2004. |
| |
| [5] | Standard Organization of Nigeria. “Nigeria Standards for Drinking Water Quality, 17”. National Academy of Sciences, 594, 2007. |
| |
| [6] | Singh, S., Singh, P., Kumar, R. and Saharan, S. “Groundwater Quality Analysis of Safidon and Julana Blocks of District Jind, Haryana, India”. Journal of Water Resources and Protection,. 4, 39-47, 2012. |
| |
| [7] | Mohammed, Y. and Yusuf, A.K. “Bacteriological and Heavy Metals Concentration of Shallow Groundwater Resources in Maiduguri, North-East Nigeria” Nigerian Journal of Hydrological Sciences, 5, 5-20, 2017. |
| |
| [8] | Hem, J.D. “Study and interpretation of the Chemical Characteristics of Natural Water”. U.S Geological Survey Water Supply, 2254, 1985. |
| |
| [9] | National Academy of Sciences – National Academy of Engineering. Water Quality Criteria, 1972. |
| |
| [10] | Nigerian Standard for Drinking Water Quality. “Guidelines for Drinking Water Quality, 1”. Recommendation, Geneva, 2007. |
| |
| [11] | Edmunds, W.M. “Geochemical Framework for Water Quality Studies in Sub-Saharan. Africa”. Jour. of African Earth Sciences, 22(4), 1966. |
| |
| [12] | Mohammed, Y. “Analysis of the Physicochemical and Bacteriological Properties of Groundwater in Maiduguri, Borno State, Nigeria”. M.Sc. Dissertation (unpublished) Department of Geography, University of Maiduguri, 27, 2015. |
| |
| [13] | Alkali, S.C. “Groundwater Chemistry from Bama and Konduga Local Government Areas, Northeastern Nigeria” Global Advanced Research Journal of Physical and Applied Sciences, 4 (1) 072-079, Sept. 2015. |
| |