This work is licensed under a
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 Alorge DO (1992).
 Adelegan, J.A., (2002). Environmental policy and slaughterhouse waste in Nigeria. Proceedings of the 28th WEDC Conference, 2002, Calcutta, India, pp: 3-6.
 Ayse Bahar, Yılmaz, Cemal Turan and Tahsin Toker (2010).
 Bengari, K.V. and Patil, H.S., (1986). Respiration, liver glycogen and bioaccumulation in Labeo rohita exposed to zinc. Indian Journal of Comparative Animal Physiology 4: p.79−84.
 Carr, G.M. and J.P. Neary. (2008). Water Quality for Ecosystem and Human Health, 2nd Edition. pp.45-53.
 Federal Ministry of Environment, Nigeria (1991). National Guidelines and Standards for water quality in Nigeria, p.114.
 Google links (2010). Google links for Map of Katsina-Ala local government, Benue-Nigeria http: /www. googlelinks. com Accessed on 30th February, (2015).
 HachWater Analysis Hand book (1983). Loveland Colorado. pp.181-278. http: /dx. doi. org/10. 1016/j. ecoenv. 2006. 01. 005.
 Morenikeji 0.A. and Raheem N.K. Impact of abattoir effluents on surface waters of the Alamuyo stream in Ibadan J. Appl. Sci. Environ. Manage. March, 2008 Vol. 12(1) 73 - 77.DOI: https://doi.org/10.4314/jasem.v12i1.55575
 Olayinka KO and Alo BI (2004). Studies on industrial pollution in Nigeria: the effects of textile effluents on the quality of groundwater in some parts of Lagos. Nigeria Journal of Health and Biomedical Sciences. 2004. 3(1): pp.44-50.DOI: https://doi.org/10.4314/njhbs.v3i1.11507
 OmPrakash M, Ashish G, Mahipatsingh, Rajayashree P (2011).
 Osakwe Stephen Anapuwa (2014) Heavy Metal Contamination and Physicochemical Characteristics of Soils from Automobile Workshops in Abraka, Delta State, Nigeria International Journal of Natural Sciences Research, , 2(4): 48-58.DOI: https://doi.org/10.4314/jasem.v19i4.18
 Standard Organization of Nigeria (2007). Nigeria Industrial Standard. Price group D Operational headquarters, Lagos, Nigeria. p.49.
 United Nations Environment Programme Global Environment Monitoring System (2007). Water Quality Outlook . http: /esa. un. org/iys/docs/san_lib_docs/water_ quality_outlook. pdf. (Retrieved February 28, 2015).
 United Nation Environment Programme (UNEP) 2010 World water day 2010 highlights solutions and calls for actions to improve water quality worldwide http: /www. unep. org http: /www. animalscience. tamu. edu/ansc/publications/beefpubs/L5176- framescore. pdf.
 USEPA (1999) Natural primary drinking water regulation. United States Environmental protection Agency, (1999).
 Wasserman, G.A., X.H. Liu, (2006). Water Manganese Exposure and Children intellectual Function in Araihazar, Bangladesh. Environmental Health Perspectives 112: 1329-1333.
 World Health Organization (WHO)(2005). Mercury in Drinking Water pp.33-41 http: /www. who. int/water_sanitation_health/dwq/chemicals/mercuryfinal. pdf. Accessed 9th March. (2015).
 Yapici, G., I.H.G. Timur and A. Kaypmaz, (2006). Lead and cadmium exposure in children living around a coal-mining area in Yatagan, Turkey, Toxicology Industrial Health, 22: 357- 62.DOI: https://doi.org/10.1177/0748233706071740
 Yahaya M. I, Mohammed S, and Abdullahi, B. K (2009).
 A. Dibofori-Orji, O. Ihunwo, K. Udo, A. Shahabinia, M. Onyema, P. Mmom, "Spatial and temporal distribution and contamination assessment of heavy metal in Woji Creek", Environmental Research Communications, Vol. 1, p. 111003, 2019DOI: https://doi.org/10.1088/2515-7620/ab4a8c
 H. Xu, H. Yang, Q. Ge, Z. Jiang, Y. Wu, Y. Yu, D. Han, J. Cheng, "Long-term study of heavy metal pollution in the northern Hangzhou Bay of China: temporal and spatial distribution, contamination evaluation, and potential ecological risk", Environmental Science and Pollution Research, 2020DOI: https://doi.org/10.1007/s11356-020-11110-6