| Autor: |
Saheed Adekunle, Ganiyu, Afolabi A, Mabunmi, Oluwaseun T, Olurin, Azeem A, Adeyemi, Oluwaseyi A, Jegede, Anthony, Okeh |
| Rok vydání: |
2020 |
| Předmět: |
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| Zdroj: |
Environmental monitoring and assessmentReferences. 193(3) |
| ISSN: |
1573-2959 |
| Popis: |
Ona River is one of the three major rivers draining the city of Ibadan. Groundwater is the major source of drinking water in the metropolis; however, data on quality of shallow aquifers bordering Ona River is relatively scarce. This study aimed to evaluate bacteriological status, heavy metal content, and associated human and ecological health risks in hand-dug wells nearby Ona River. A total of 24 water samples from 12 sampling points were collected for chemical and microbial analyses. Heavy metals and microbial pathogens were analyzed using atomic absorption spectrometry and total plate count methods, respectively. Analyses of microbial and heavy metal (HMs) data showed that shallow hand-dug wells within the vicinity of Ona River were bacteriologically contaminated while most of analyzed heavy metals (except manganese) exceeded the drinking water quality standards. Interpretation of microbial and heavy metal (HMs) data identified predominance of anthropogenic activities as the major source of contamination in drinking water. Further scrutiny of HM data through integrated pollution indices identified two nearby wells (S |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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