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 facility designed to store runoff from rainfall or snow melt with no outlet. The stored water is allowed to percolate into the ground. (See also Detention Pond, Detention Basin and Retention Pond).

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 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.