What is Water Pollution
If any organic & inorganic material is added to the natural water, & its becomes unusable, it is called polluted water.
The industrial & agricultural activities of the human being are increasing with the increase of the human population. The problem of water pollution control is going up with this increase in population.
As industries developed, the polluted discharges & wastes started adding to the discharges of the city waste waters.
This out going polluted water at higher places becomes incoming polluted water at the lower lying areas. When the concentration of added polluting substances becomes dangerous to the living species, the need of water pollution control begins. When this polluted water starts seeping in the water supply incoming sources in the cities the serious epidemics of water borne diseases such as cholera, dysentery & typhoid fever start. To avoid these polluted areas, modern public health system started. Highly efficient & well controlled plants are installed to purify the water supplied to the population.
