Physicochemical parameters and the analytical methods utilized on the groundwater samples.

Table 1: Physicochemical parameters and the analytical methods utilized on the groundwater samples.

Parameters	Analytical methods	Mode of Analysis
pH	Horiba U-52 multi-water probe	In-situ
Electrical Conductivity	Horiba U-52 multi-water probe	In-situ
Salinity	Horiba U-52 multi-water probe	In-situ
Dissolved Oxygen	Titrimetery	Laboratory
Total Dissolved Solids	Horiba U-52 multi-water probe	In-situ
Temperature	Horiba U-52 multi-water probe	In-situ
Nitrates	LaMotte, MODEL SCL-05	Laboratory
Phosphate	LaMotte, MODEL SCL-05	Laboratory
Sulphate	LaMotte, MODEL SCL-05	Laboratory
Water level	Hobo software water logger	In-situ