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

• Rational Method □ □ □ Drainage area no greater than 150 acres □ □ □ c value taken from Exhibit 5 □ □ □ DOTD HYDR6020 and HYDR6000 used for storm drain and inlet spacing □ □ □ 2.

• Drainage area and basin runoff charac- teristics (indicating pending changes).b.

• Drainage area of the dam, in square miles, which is defined as the area that drains to a particular point (in this case, the dam) on a river or stream.

• The water quality, or first flush volume can be computed by the following equation Vff = 3,630 * C * A Where:Vff = First flush volume, post-development (in cubic feet) C = Post-development runoff coefficientA = Drainage area tributary to detention basin (in acres) In order to qualify for the maximum 10 percent credit, water quality detention basins must be designed to the Vff volume for the entire property and must demonstrate a 75 percent removal of TSS.

• Drainage area limits for private storm sewers of large sites will be examined on a case by case basis by the Jurisdiction.

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 an area of land constituted or deemed to be constituted under this Act as a drainage area.

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 that contributes runoff to a single point measured in a horizontal plane, which is enclosed by a ridgeline.