The temperature of the water body in consideration is an important parameter to take into account. Higher temperature may favour certain highly toxic compounds to have a greater solubility than needed. Metals like cadmium, zinc and lead are examples of toxic materials.Water enters your home from a variety of sources. These could be either coming from.
Surface water/River water – In most cases the water coming in through the city municipal water supply is usually surface water from rivers and lakes.
Borewell –This is the underground water in the aquifers which is accessed by digging a borewell.