Effect of Municipal Solid Waste on Soil and Ground Water Quality in Akure South, Ondo State
Abstract
Improper waste disposal practices have raised concerns about potential environmental hazards. It is fueled by rapid urbanization and population growth. This study focuses on assessing the changes in the physiochemical properties of the soil in proximity to a municipal dumpsite and evaluating the extent of groundwater contamination. A total of ten soil samples were collected, three at varying distances around three different dumpsites, and groundwater samples were taken from three wells at different landfills. The soil parameters determined include pH, organic carbon content, organic matter content, nitrogen, potassium, phosphorus, sodium, calcium, magnesium, copper, iron, chromium and zinc. The water parameters determined include pH, calcium, copper, iron, nitrate, hardness, sulphate, total dissolved solids, dissolved oxygen, turbidity, chloride and zinc. The study found that the soils at the dumpsite were slightly acidic, with a pH range of 5.20 to 6.16. The heavy metals (Cu, Cr, Fe, Zn) were in the same range as the control site. The organic carbon and organic matter content were mostly in the same range as the control site, with ranges 0.28 % to 2.99 % and 0.48 % to 5.12 % respectively. The macro-nutrient concentrations were also in the same range as the control site. The water samples tested had a slightly acidic pH range of 5.94 to 6.68, with minimal heavy metal presence. Calcium levels were found ranging from 55.06 mg/l to 152.88 mg/l. Nitrate was found ranging from 12.45 mg/l to 2600.00 mg/l exceeding the NSDWQ and WHO standard. Other parameters like total dissolved solids, hardness, chloride, turbidity, and sulphate were below the NSDWQ and WHO limits. Statistical analyses indicated significant differences at 95% level. Treatment of water before use and use of alternative water sources as well as landfill redesigning are suggested.
Keywords
Dumpsites, Groundwater, Wastes, Pollution, Hazard, Soil
Citations
IRE Journals:
Olubanjo Olutola Obafemi , Ugbenin Osesegba Wisdom , Ojo Kehinde Thomas
"Effect of Municipal Solid Waste on Soil and Ground Water Quality in Akure South, Ondo State" Iconic Research And Engineering Journals Volume 7 Issue 10 2024 Page 349-362
IEEE:
Olubanjo Olutola Obafemi , Ugbenin Osesegba Wisdom , Ojo Kehinde Thomas
"Effect of Municipal Solid Waste on Soil and Ground Water Quality in Akure South, Ondo State" Iconic Research And Engineering Journals, 7(10)
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