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Understanding water quality
Understanding water quality

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Learning outcomes

After studying this course, you should be able to:

  • describe the chemical compositions of natural waters, and explain how and why these compositions vary

  • describe the main sources of water pollution, the main types of pollutant and how each type may be controlled

  • outline the extent of water pollution in the UK and in selected global locations

  • identify the criteria for drinking water acceptability in the EU, and outline the processes used to treat water for a public water supply

  • outline how sewage may be treated before discharge to the environment.