Geomorphologic Unit/Parameters | Mangrove & Saltwater Back Swamp-Degema | Freshwater Back Swamp and Meander Belt-Tuomo | Mangrove Saltwater Back Swamp-Azama | WHO Standard | ||||
WS1 | WS2 | WS1 | WS2 | WS1 | WS2 | |||
Physical/ organoleptic | Appearance | Clear | Clear | Clear | Reddish yellow | Pale yellow | Clear | |
Turbidity NTU | 2.86 | 3.03 | 25 | 4.05 | 12 | 5 | ||
Odor | Unobj | Unobj | Obj | Obj | Unobj | |||
Taste | Unobj | Unobj | Obj | Obj | Unobj | |||
Temperature (˚C) | 29.8 | 29.8 | 27.1 | 25-30 (Ambient) | ||||
Chemical | Conductivity uscm | 51 | 52 | 40.5 | 155.3 | 92.7 | 792 | 250 |
pH | 5.5 | 6 | 5.7 | 6.83 | 6.15 | 6.5-8.5 | ||
Chlorides as NaCl | 11.70 mg/l | 895 | 278 | 250 | ||||
Total alkalinity as CaCO3 | 13 | 12 | 2.72 | 10 | ||||
Total hardness | 10 | 5 | 20 | 60 | 2.88 | 100 | ||
Mg Hardness as MgCO3 mg/l | 5 | 33 | 20 | |||||
Ca hardness mg/l | 17 | 176 | 150 | |||||
Total Iron as Fe mg/l | 9.2 | 0.53 | 14.19 | 3.823 | 0.3 | |||
Nitrates | 2.3 | 3 | 2.8 | 0.86 | Nil | 0.4 | 10 | |
Sulphate | 0.2 | 3 | 250 | |||||
Phosphate | 0.31 | 250 | ||||||
Total dissolved solids TDS | 28.6 | 28.6 | 18 | 157 | 46.35 | 396 | 500 | |
Total suspended solids | 11 | 10 | 30 | 10 | 48 | 25 | ||
Salinity | 4.7 | 3.5 | 26.91 | 250 | ||||
Cu mg/l | <0.001 | 1 | ||||||
Ca mg/l | 0.452 | 70 | ||||||
Mg mg/l | 0.671 | 30 | ||||||
K mg/l | 467 | 200 | ||||||
Na mg/l | 4.6 | 1 128 | 200 | |||||
Pb mg/l | 0.081 | 0.05 | ||||||
Zn mg/l | 1.01 | 0.275 | 3 | |||||
Mn mg/l | 0.163 | 0.5 | ||||||
Cd mg/l | 0.683 | 0.003 | ||||||
Cr mg/l | 0.464 | 0.05 |