Retention basin definition

Retention basin means a type of storage practice, that has no positive outlet, used to retain storm water run-off for an indefinite amount of time. Run-off from this type of basin is removed only by infiltration through a porous bottom or by evaporation.

Retention basin means a pond, pool or basin used for the permanent storage of water runoff.

Retention basin means a stormwater management facility that, similar to a detention basin, temporarily impounds runoff and discharges its outflow through an outlet to a downstream channel. A retention basin is a permanent impoundment.

Examples of Retention basin in a sentence

• Retention basin shall be provided with a minimum of 2.00 feet sandy soil if determined to contain silt or clay materials.

• Similar to the distribution of private health facilities and providers, medical scheme members are concentrated in the economic hubs of the country as Figure 14 shows.

• Retention basin – a pond, basin, usually enclosed by artificial dikes, that is used to retard stormwater runoff by temporarily storing the runoff and releasing it at a predetermined rate.

• Retention basin inlets shall be outlet headwall with a trash rack for all pipe ends and openings 12" diameter or greater, conforming to C-503, or a bubbler inlet conforming to C-504 or C-507.

• The Vice Chairman advised that this would be answered a little later in the agenda..

More Definitions of Retention basin

Retention basin means a ground depression area designed to retain flows from storm water runoff, to encourage infiltration into surrounding sub-surface soils, and may include overflow piping. A retention basin allows debris to settle from the storm water discharge and must be periodically cleaned and dredged.

Retention basin means a wet or dry storm-water holding area, either natural or man-made, which does not have an outlet to adjoining watercourses or wetlands other than an emergency spillway.

Retention basin means a storm water management pond that maintains a permanent pool of water. These storm water management ponds include a properly engi- neered/designed volume dedicated to the temporary storage and slow release of runoff waters.

Retention basin means a storm water management basin that captures storm water runoff and does not discharge directly to a surface water body. The water is "discharged" by infiltration or evaporation.

Retention basin means a natural or man-made pond, pool or basin used for permanent storage of stormwater.

Retention basin means a storm water management basin designed to retain some water on a permanent basis.

Retention basin means one in which storm runoff is collected and stored for a significant period and released after the storm runoff has ended: it is retained. Retention basins are wet reservoirs which have special recreational, fire protection and aesthetic uses centered around a minimum pool.