Research Article
Assessing the Industrial Effluent Effect on Irrigation Water Quality and Farm Soil near Kombolcha Town, Ethiopia
Table 3
Physicochemical characteristics of downstream Borkena water quality during the dry and wet season.
| | Parameter | Unit | Dry (May) period | Wet (June) period | Mean | | S1 | S2 | S3 | Mean | S1 | S2 | S3 |
| | EC | dS/m | 1.25 | 1.05 | 1.05 | 1.12 | 0.77 | 0.67 | 0.68 | 0.71 | | Mg+2 | mg/l | 6.25 | 6.05 | 6.05 | 6.12 | 4.55 | 4.25 | 4.20 | 4.33 | | Ca+2 | mg/l | 17.25 | 17.75 | 17.75 | 17.58 | 15.00 | 15.25 | 15.35 | 15.20 | | Na+ | mg/l | 3.55 | 3.50 | 3.50 | 3.52 | 3.25 | 3.15 | 3.20 | 3.20 | | Cl− | mg/l | 8.00 | 8.00 | 8.00 | 8.00 | 10.00 | 10.00 | 10.00 | 10.00 | | pH | — | 8.75 | 8.70 | 8.70 | 8.72 | 8.45 | 8.40 | 8.40 | 8.42 | | CO3−2 | mg/l | 1.75 | 1.75 | 1.75 | 1.75 | 0.95 | 0.95 | 0.95 | 0.95 | | HCO3− | mg/l | 9.95 | 10.25 | 10.25 | 10.15 | 8.25 | 8.05 | 8.15 | 8.15 | | Fe | mg/l | 5.05 | 5.15 | 5.15 | 5.12 | 3.50 | 3.50 | 3.50 | 3.50 | | Mn | mg/l | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | | Pb | mg/l | 0.55 | 0.50 | 0.50 | 0.52 | 0.40 | 0.40 | 0.40 | 0.40 | | Cu | mg/l | 0.25 | 0.25 | 0.25 | 0.25 | 0.20 | 0.20 | 0.20 | 0.20 | | Cr | mg/l | 0.50 | 0.50 | 0.50 | 0.50 | 0.03 | 0.03 | 0.03 | 0.03 | | Cd | mg/l | 0.04 | 0.04 | 0.04 | 0.04 | 0.02 | 0.02 | 0.02 | 0.02 | | Ni | mg/l | < L.D | < L.D | < L.D | < L.D | < L.D | < L.D | < L.D | < L.D | | SAR | mg/l | 1.46 | 1.43 | 1.43 | 1.44 | 1.47 | 1.43 | 1.45 | 1.45 |
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Ca+: calcium; Cd: cadmium; Cl−: chloride; CO3−2: carbonate; Cr: chromium; Cu: copper;EC: electrical conductivity; Fe: iron; HCO3−: bicarbonate; Mg+2: magnesium; Mn: manganese; Na+: sodium; Ni: nickel; Pb: lead; SAR: specific absorption rate; TDS: total dissolved solids; < L.D: less than the limit of detection; S1: sample 1; S2: sample 2; S3: sample 3.
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