The term water quality is used to describe the condition of the water, including its chemical, physical and biological characteristics, usually with respect to its suitability for a particular purpose. Water quality collection should help you get acquainted with water quality or deepen your existing knowledge. For deepening your knowledge about general information on water quality, see documents 1-3. To learn more about water quality parameters and how to interpret a water analysis report, see documents 4-13. Read about policies and toolkits on water quality in documents 14-17. Learn about water quality monitoring in documents 18-21. Find out more about environmental quality standards for water pollution and anthropogenic factors affecting water quality in documents 22-23.