Research Article
Assessment of the Effect of Solid Waste Dump Site on Surrounding Soil and River Water Quality in Tepi Town, Southwest Ethiopia
Table 2
The physicochemical properties of river water samples at Tepi town solid dump site along different sample locations and guideline values.
| | Parameters | US | DS1 | DS2 | EEPA (2003) standard | WHO (2004) standard |
| | Temperature (°C) | 22 ± 0.1 | 27.5 ± 0.2 | 27 ± 0.5 | 5–30 | NA | | pH | 7.6 ± 0.21 | 8.1 ± 0.12 | 8.0 ± 0.1 | 6–9 | 6.5–8.5 | | EC (μS/cm) | 238.2 ± 0.2 | 281.3 ± 0.01 | 247.8 ± 0.02 | 1000 | 1400 | | TDS (mg/l) | 446.3 ± 0.2 | 557.9 ± 0.1 | 495.7 ± 0.1 | NA | 500 | | Turbidity (NTU) | 61.6 ± 0.01 | 144.0 ± 0.3 | 135.3 ± 0.7 | NA | 25 | | Nitrate (mg/l) | 0.8 ± 0.01 | 1.72 ± 0.01 | 1.48 ± 0.01 | 50 | 30 | | Sulfate (mg/l) | 16 ± 0.1 | 26 ± 0.8 | 63 ± 0.5 | 200 | 200 | | Potassium (mg/l) | 8.5 ± 0. 05 | 12.1 ± 0.17 | 9.8 ± 0.15 | NA | 12 | | Fluoride (mg/l) | 0.40 ± 0.01 | 0.88 ± 0.01 | 0.8 ± 0.01 | 1 | 1.5 | | BOD (mg/l) | 7.9 | 31 | 12 | <5 | <5 | | COD (mg/l) | 10.51 | 61.33 | 18.4 | 5 | <5 |
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