Parameters | Bo_001 | Bo_002 | Bo_003 | Kenema_ 001 | Kenema_ 002 | Kenema_ 003 | Kenema_ 004 | Moyamba_ 001 | Moyamba_ 002 | Kono_001 | Standard value (Sn) |
pH | 5.6 | 4.5 | 5.56 | 8.3 | 5.58 | 4.5 | 3.99 | 4.6 | 4.5 | 3.99 | 8.5 |
EC (us/cm) | 185 | 167 | 252 | 508 | 149 | 167 | 30.6 | 175 | 245 | 30.6 | 3000 |
TDS (ppm) | 16 | 10 | 14 | 115 | 10 | 10 | 21 | 10 | 42 | 21 | 1000 |
BOD (mg O2/L) | 1.78 | 0.952 | 1.68 | 3.344 | 2.964 | 0.952 | 1.44 | 1.056 | 1.33 | 1.44 | 300 |
Turbidity (NTU) | 14.2 | 2.6 | 13.79 | 8.66 | 15.67 | 2.6 | 4.32 | 1.93 | 2.7 | 4.32 | 5 |
COD (mgO2/L) | 13.6 | 10.3 | 7.8 | 8.1 | 7.4 | 10.3 | 19.4 | 17.9 | 11.6 | 19.4 | 10 |
Fe2+ (mg/L) | 1.87 | 0.19 | 0.37 | 2.18 | 0.18 | 0.19 | 0.08 | 0.08 | 0.87 | 0.08 | 1 |
Mg2+ (mg/L) | 8.8 | 5.4 | 8.1 | 18.7 | 8.3 | 5.4 | 8.4 | 10 | 13.7 | 8.4 | 100 |
Ca2+ (ppm) | 7.76538 | 7.24656 | 7.85892 | 12.97452 | 10.08912 | 7.24656 | 7.64976 | 7.87908 | 7.24656 | 7.64976 | 300 |
NH3 (mg/L) | 0.8 | 1 | 1.2 | 0.9 | 2.5 | 1 | 1.5 | 1.3 | 0.9 | 1.5 | 1 |
(mg/L) | 11.5 | 13.5 | 16.6 | 17.1 | 17.5 | 13.5 | 11.4 | 15.4 | 11.9 | 11.4 | 50 |
Alkalinity (mg/L) | 6.7 | 4.9 | 16.3 | 20.1 | 5.1 | 4.9 | 4.4 | 3.4 | 7.1 | 4.4 | 600 |