Nntopics on water pollution pdf files

Moreover, documents related to public health aspects may also consider water pollution. It affects their bodies, skin, lungs, brain, liver and kidneys, caused cancers, birth defects and other diseases. Olaniran 1995 defined water pollution to be the presence of excessive amounts of a hazard pollutants in water in such a way that it is no long. A total water pollution status of this country, as well as the sources of this. Water pollution from agriculture food and agriculture organization. The effects of pollution are greater in shallow, enclosed or slow flowing streams. Water pollution control a guide to the use of water quality management principles. Water pollution that alters a plants surrounding ph level, such as due t o acid rain, ca n harm or kill the plant. Water pollution control a guide to the use of water. Mining companies in developing countries sometimes dump.

Atmospheric su lfur dioxide and nitrogen dioxide e mitted. The natural resources of the earth including air, water, land, flora and fauna and especially. Water pollution control is clearly one of the most critical of those challenges. Nonpoint source pollution refers to runoff that enters surface waters through. This page contains water pollution seminar and ppt with pdf report.

If water is polluted in a area, then the all living creatures and people are faced to drink polluted water because they have no other option. Water pollution in bangladesh and its impact on public health ncbi. Water pollution is any humancaused contamination of water that reduces its usefulness to humans and other organisms in nature. Environmental pollution air, solid waste and water effects on physical health. Stopping pollution at its source with low impact development americas urban landscape is affecting our cities water supply and water. Page 3 sources of beach water pollution natural resources defense council testing the waters 2014. One of the most destructive types is petroleum pollution. Algae blooms can harm aquatic life by clogging the gills of fish and small aquatic animals, reducing oxygen in the water, or by smothering corals and submerged. Presence of heavy metals in grains, vegetables, fruit and milk has shown that nothing has remained pure in this universe. Another source of water pollution is the discharge of hot water from cooling engines in the industries. This increases water temperature and lowers the metabolic rate of organisms.

Water pollution is the contamination of water bodies, usually as a result of human activities. Water is essential for health, economic wellbeing and social equity, but too many people around the world still dont have access to clean drinking water and sanitation. Types and sources of water pollution there are several major types of water pollution. Various reports show that 80% of mortalit y is due to water pollution. In the great lakes region, warmer temperatures can lead to another source of pollution.