What is runoff and how is it important to surface water reservoirs?

1 Answer
Elvan Burcu K.
Nov 26, 2015

Runoff is the draining away of water from the surface of an area of land when the rain hits the surface.

Explanation:

It can carry pollutants through its path and when it reaches to the water reservoirs it can pollute the water. Especially if runoff carry phosphorus containing materials to a lake, then algea growth can happen and eutrophication problem will occur.

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