Drainage

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• Questions
• Summary

1. The growing domestic, municipal, industrial and agricultural demand for water from rivers naturally affects the quality of water.
2. As a result, more and more water is being drained out of the rivers reducing their volume.
3. On the other hand, a heavy load of untreated sewage and industrial effluents are emptied into the rivers.
4. This affects not only the quality of water but also the self-cleansing capacity of the river.