Water pollution

Water pollution is the contamination of water bodies.

The form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.

Water pollution affects the entire biosphere plants and organisms living in these bodies of water.

In almost all cases the effect is damaging not only to individual species and population but also to the natural biological communities.

Categories of water pollutionSurface water seeps through the soil and becomes ground waterConversely ground water can also feed surface water sources. we think of huge oceans, lakes and rivers. Water resources like these are called surface waters.A great deal of water is held in underground rock structures known as aquifers, which we cannot see and seldom think about. Water stored underground in aquifers is known as groundwater.

Aquifers feed our rivers and supply much of our drinking water.

Surface water and groundwater are the two types of water resources that pollution affects.

There are also two different ways in which pollution occur. If pollution comes form a single location such as a discharge pipe attached to a factory it is known as point- source pollution.

A great deal of water pollution happens not form one single sources but form many different scattered sources. This is called nonpoint- source pollution.

What are the causes of water pollutionMost water pollution doesn’t begin in the

water itself. Take the oceans around 80 percent of ocean pollution enters out seas form the land.

When farmers fertilize the fields the chemicals they use are gradually washed by rain in to he ground water or surface water nearby.

Waste waterA few statistics illustrate the

scale of the problem that waste water can cause.

Around half or all ocean pollution is cause by sewage and waste water.

Each year, the work generates perhaps 5-10 billion tons of industrial waste, much of which is pumped untreated in to rivers, oceans, and other waterways.

Chemical waste

detergents are relatively mild substances.

At the opposite end of the spectrum are highly toxic chemicals such as polychlorinate biphenyls.

They were carried there through the oceans, thousands of miles form where they originally entered the environment.

Radioactive waste

The biggest sources of radioactive pollution in Europe are two factories that reprocess waste fuel from nuclear power plants.

Radioactive waste water into the sea, which ocean currents then carry around the world

Other forms of pollutionThese are the most common

forms of pollution but by no means the only ones. Heat or thermal pollution form factories and power plants also causes problems in rivers

Another type of pollution involves the disruption of sediments that flow from rivers into the sea.

Dams built for hydroelectric powers or water reservoirs can reduce the sediment flow.

Remedies for water pollution pollution of pond water, sources of drinking water

and the water used by human being in their day today life must be prevented. But it is too tough to control reverine water pollution. The following remedial measures may be taken to improve the environment.

Sewage water must not directly poured into any water body.

Awareness campaigns for drinking boiled water should be encouraged.

Factory owners should take appropriate measures to stop the discharge of waste into lake, rivers and oceans.