The impact of solid waste disposal on water quality is gaining importance worldwide due toseepage of toxic metals through the soil into the groundwater. Urbanization, industrialization andchanges in our life styles have compounded the problem of solid waste management in Nigeria.Poor waste management threatens the health of humans and animals, particularly those livingclose to these pollution point sources.The study area covers Jos-Bukuru and environs in NorthCentral Nigeria. This study was aimed at investigating the chemical species present ingroundwater as a result of the impact of solid waste dumpsites in the study area and to evaluatethe contributions of the dumpsites to the chemical and physicochemical properties ofgroundwater around the dumps. Five (5) major dumpsites (Bauchi Road Jos, Rukuba Road Jos,Building Materials Market, Rayfield and Bukuru Town) were sampled for this study. Ten watersamples from hand dug wells (two from each site) close to the dumpsites and three controls werecollected and analysed for chemical composition and further speciation analysis was conductedon the chemical result to assess the various species present in the waters and possible humanhealth related issues. Results show that the mean values of the pH, temperature, EC, TDS, of thewater samples all fall within the WHO permissible limits for portable drinking water. Content oftrace elements are generally low in the waters but toxic metal species such as Ba+2, Mn+2, Ni+2,Zn+2, Cd+2, and Pb+2 are common to all the water sources. This study shows that differentdumpsites have impacted differently on waters in their different environments. There is the needto curtail the excesses of dumping waste in these areas so as not to add to the exiting contents oftoxic metal species in the waters.
Mboringong et al. (Tue,) studied this question.
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