Introduction to Causes of Water Pollution

Introduction to Causes of Water Pollution:
Water is the most important element in the biosphere because it sustains all sorts of life on the planet earth. Water pollution may be defined as alteration in the physical, chemical and biological characteristics of water, which may cause harmful effects on human and aquatic life.
Sources of Water Pollution
* Factories

* Refineries
* Waste treatment facilities
* Mining
* Pesticides, herbicides and fertilizers
* Human sewage
* Oil spills
* Failing septic systems
* Soap from washing your car
* Oil and antifreeze leaking from cars
* Household chemicals
* Animal waste. This can also help us on polythene