From: Urban mosquitoes and filamentous green algae: their biomonitoring role in heavy metal pollution in open drainage channels in Nairobi industrial area, Kenya
Variable measured (units)
Range
WHO limits
References
pH
7.28–8.78
6.5–8.5
Nazir et al. [46]
Temperature (°C)
16.75–26.05
20–32
Onuegbu et al. [47]
TDS (ppm or mg/l)
160.33–544.67
500
Conductivity (µS/cm)
336.67–1134.33
400–600