WATER POLLUTION

CAUSES OF WATER POLLUTION
Major water pollutants are solid and liquid wastes dumped into water sources. Sewage, chemicals, biproducts of refineries, wastes from tanneries from major effluents from factories which cause water pollution.
Water pollution affects biotic and abiotic factors of aquatic eco-system. Polluted water contains disease producing bacteria and viruses which may cause disease like cholera, jaundice, dysentery, poliomyelites, typhoid, etc.
At times rich supply of nutrients from the nearby fields may go to into the water source and land and result in sudden growth of algae which" Algal bloom ". This also causes pollution of water

CONTROL OF WATER POLLUTION
Proper drainage facilities are to be given for human and animals wastes of water.Proper filtering mechanism should be followed to avoid the effectsof water pollution. Industrial effluents should be treated before releasing them into water source.