Drainage system

(hydrology) A surface stream or a body of impounded surface water, together with all other such streams and bodies that are tributary, by which a geographical area is drained.

The piping network within a structure which conveys sewage, rainwater, or other wastes from their point of origin to a point of disposal, such as a public sewer or a private treatment facility.

The noun has one meaning:

Meaning #1: a system of watercourses or drains for carrying off excess water

• In geomorphology, a drainage system is the pattern formed by the streams, rivers, and lakes in a particular watershed. They are governed by the topography of the land, whether a particular region is dominated by hard or soft rocks, and the gradient of the land. See: Drainage system (Geomorphology).

• In agriculture, a drainage system is an intervention to control waterlogging aiming at soil improvement for agricultural production. See: Drainage system (agriculture).

• In industrial and residential areas, a drainage system is a facility to dispose of liquid waste. See: Sustainable urban drainage systems and Sewage.

See also

• Drainage
• Tile drainage
• Watertable control

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