Table 1: Test parameters and their test methods.

ParametersUnitTest methods

pH pH meter
Conductivity μs/cm Conductivity meter
TDS mg/LCalibrated EC-TDS meter
Nitrate mg/L UV Vis spectrophotometer-304 nm
COD mg/L Titration using potassium dichromate
DO mg/L DO meter
Fecal coliform CFU/100 mL Membrane filtration method
Ferrous mg/L UV Vis spectrophotometer-515 nm
Chromiummg/L Atomic absorption spectrophotometer
Cadmium mg/LAtomic absorption spectrophotometer
Lead mg/LAtomic absorption spectrophotometer