PPT: Water Quality | Environmental Engineering - Civil Engineering (CE) PDF Download

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Water 
quality
Page 2


Water 
quality
Page 3


Water 
quality
Great Lakes
Fr 
Page 4


Water 
quality
Great Lakes
Fr 
Water quality is the physical, chemical and 
biological characteristics of water. It is a 
measure of the condition of water relative to 
the requirements of one or more biotic 
species and or to any human need or 
purpose. It is most frequently used by 
reference to a set of standards against which 
compliance can be assessed. The most 
common standards used to assess water 
quality relate to health of ecosystems, safety 
of human contact and drinking water.
Page 5


Water 
quality
Great Lakes
Fr 
Water quality is the physical, chemical and 
biological characteristics of water. It is a 
measure of the condition of water relative to 
the requirements of one or more biotic 
species and or to any human need or 
purpose. It is most frequently used by 
reference to a set of standards against which 
compliance can be assessed. The most 
common standards used to assess water 
quality relate to health of ecosystems, safety 
of human contact and drinking water.
In the setting of standards, agencies make 
political and technical/scientific decisions 
about how the water will be used. In the case 
of natural water bodies, they also make some 
reasonable estimate of pristine conditions. 
Different uses raise different concerns and 
therefore different standards are considered. 
Natural water bodies will vary in response to 
environmental conditions.
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14 videos|74 docs|98 tests

FAQs on PPT: Water Quality - Environmental Engineering - Civil Engineering (CE)

1. What is water quality?
Ans. Water quality refers to the physical, chemical, and biological characteristics of water that determine its suitability for various uses, such as drinking, irrigation, and aquatic life support. It is determined by factors such as the presence of pollutants, pH levels, dissolved oxygen, and nutrient content.
2. How is water quality measured?
Ans. Water quality is measured through various parameters and tests. Common methods include testing for pH levels, turbidity, dissolved oxygen levels, temperature, conductivity, and the presence of specific pollutants such as bacteria, nitrates, and heavy metals. These measurements help determine the overall health and safety of the water.
3. What are the major sources of water pollution?
Ans. There are several sources of water pollution, including industrial activities, agricultural runoff, sewage discharge, improper waste disposal, and oil spills. These sources introduce pollutants such as chemicals, fertilizers, pesticides, pathogens, and heavy metals into water bodies, affecting water quality and posing risks to human and environmental health.
4. How does poor water quality impact human health?
Ans. Poor water quality can have significant impacts on human health. Consuming contaminated water can lead to various waterborne diseases, such as diarrhea, cholera, typhoid, and hepatitis. It can also cause long-term health effects, including organ damage, developmental issues, and increased risk of certain cancers. Additionally, poor water quality can affect recreational activities and lead to skin irritations and infections.
5. What are the methods used to improve water quality?
Ans. There are several methods used to improve water quality. These include water treatment processes such as filtration, disinfection, and chemical treatment to remove contaminants. Additionally, implementing proper waste management practices, reducing industrial and agricultural pollution, and promoting conservation measures can help protect and improve water quality. Regular monitoring and testing of water sources are also crucial for maintaining water quality standards.
14 videos|74 docs|98 tests
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