Surface water
From Wikipedia, the free encyclopedia
- For water masses on the surface of the world ocean, see Surface water (ocean).
Water collecting on the ground or in a stream, river, lake, sea or ocean is called surface water; as opposed to groundwater.
[edit] Classification of surface water quality
- Class1 is extra clean fresh surface water resource used for conservation not necessary pass through water treatment process required only ordinary process for pathogenic destruction and econsystem conservation where basic organisms can bread naturally.
- Class 2 is very clean fresh surface water resource used for consumption which required ordinary water treatment process before use, aquatic organism of conservation, fisheries, and recreation.
- Class 3 is medium clean fresh surface water resource used for consumption but passing through an ordinary treatment process before using and agriculture.
- Class 4 is faily clean fresh surface water resource used for consumption but requires special water treatment process before using and in industry
- Class 5 is the source which are not classification in class 1-4 and used for navigation.
