Drainage area definition

Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.
Drainage area means a land area, water area, or both from which runoff flows to a common point.
Drainage area means that area contributing runoff to a single point measured in a horizontal plane, which is enclosed by a ridge line.

Examples of Drainage area in a sentence

  • Drainage area coefficient determination shall generally be based on the following: SURFACE The above run-off coefficients are minimum.


More Definitions of Drainage area

Drainage area means the surface area draining storm water run-off.
Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a BMP, a stormwater management system, a particular receiving waterbody or a particular point along a receiving waterbody.
Drainage area means any parcel or parcels of land within the area whose drainage causes or contributes to flood conditions upon or in the vicinity of a designated stream or body of water.
Drainage area means the contributing area to a single point of drainage concentration, expressed in units of area, also called catchment area, watershed, and river basin.
Drainage area means an area declared to be a drainage area pursuant to section 104;
Drainage area means an area of land constituted or deemed to be constituted under this Act as a drainage area.
Drainage area means a geographic area within which water, sediments, and dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.