Physicochemical Quality and Health Risks Associated with Use of Water from Nyamwamba River, Kasese, Western Uganda
نویسندگان
چکیده
Aim: In Kasese district of Western Uganda, farmers cultivating near Nyamwamba River (NR) experience crop wilting whenever the river banks burst. Increased cases cancer and ulcers in is anecdotally blamed on ingestion contaminated water from resources polluted by tailings Kilembe copper mines. Sand miners attested that mining NR caused body irritations itching while drinking same results abdominal complications infants. The aim this study was to assess seasonal variations physicochemical parameters heavy metals (HMs) content NR, associated health risks.
 Place Duration Study: experiments were done at Department Chemistry, Faculty Science, Mbarara University Science Technology, Uganda 2018 2019.
 Methodology: This employed quantitative research design. Water sampled down, middle upstream Mubuku River, during dry wet seasons. samples analyzed for (pH, conductivity, total dissolved solids, suspended soils) HMs: chromium (Cr), cadmium (Cd), zinc (Zn), iron (Fe), lead (Pb), arsenic (As) (Cu) atomic absorption spectrometry. estimated daily intake (EDI), target harzard quotient (THQ) risks calculated explore if there are any carcinogenic non-carcinogenic could arise dermal contact with NR.
 Results: Most only met WHO guidelines upstream. mean concentration Fe, Cu, Pb, Zn, Cr, Cd As 0.90-29.66 mg/L, 0.21-10.74 0.40-8.21 1.10-13.47 0.79-13.47 0.05-1.40 mg/L 0.22-4.34 respectively. Wet season recorded higher HMs concentrations when compared season, all its exceeding water. There an extremely high than expected. Health risk assessment indicated EDI through ranged 0.015 4.150 mg/kg/day water, values 0.008 × 10-6 38.266 mg/Lday. Some doses corresponding reference THQ exceeded 1 beyond US EPA borderline.
 Conclusion: revealed serious consumption NR. Future studies should examine relationship between occurrence trace food stuffs cancer, other diseases area.
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ژورنال
عنوان ژورنال: Asian Journal of Applied Chemistry Research
سال: 2022
ISSN: ['2582-0273']
DOI: https://doi.org/10.9734/ajacr/2022/v12i2217