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Original Articles Open Access
Water samples from borehole in twelve strategic locations within Ebonyi and Abakaliki L.G.A in Ebonyi State Nigeria were assessed for its portability using standard methods. The range of results obtained were; pH (7.1-8.6), Temp. (28.3-29.2oC), Dissolved Oxygen (9.3-10.2 mg/L), Total Dissolved Solids (273-446 mg/L), Electrical Conductivity (474-973 μS/cm ), Total hardness (55 – 262 mg/L), Total Alkalinity (36.2 -106.2 ppm), PO4 3- (0.08- 0.13 mg/L), Cl- (63.16 – 188.95 mg/L), SO4 - (42.88-52.91 mg/L), NO3 -(0.07-1.21) and Arsenate (V) 0.02 - 0.06 μg/L. The results showed that all the physicochemical parameters analysed were below the World Health Organization(WHO) and Standard organization of Nigeria (SON) acceptable limit for drinking water. However, these results does not indicate adverse pollution rather, it indicated a trace level of arsenic contamination in the sampled boreholes as uncontaminated water usually have below 0.001 μg/L. Measurement difficulties of arsenic and its removal in underground water could also could also be a contributing factor. It therefore provides an avenue or need for further studies and monitoring so as to establish a fact both for policy makers, industries and general public.
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Author(s): Oroke E C Nworie F S Ugwu E I Akpa S and Ngele S O
Physicochemical parameters, Arsenic, Borehole water, Pollution and Monitoring, colorimetric determination