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Top Terms > Facilities > Transportation, hydraulic and utility facilities > Hydraulic structures > Irrigation and drainage structures > Drainage structures > Detention basins

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Detention basins (Pmhpdc)

Definition
Basins or reservoirs wherein water is stored for regulating a flood. They do not have an uncontrolled outlet. The stored water is disposed by such means as infiltration, injection (or dry) wells, or by release to the downstream drainage system after the storm event. Also, storm water management facilities that impound runoff and temporarily discharge it through a hydraulic outlet structure to a downstream conveyance system. (Source: AASHTO Glossary)
Use For
Storm water retention basins
Stormwater retention basins
Broader Term
Drainage structures (Pmhpd)
Related Terms (Hierarchical)
Catch basins (Pmhpdb)
Ditches (Pmhpdd)
Drainage canals (Pmhpde)
Drains (Pmhpdf)
Drainage basins (Pmhpdh)
Drainage blankets (Pmhpdj)
Grates (Pmhpdm)
Gutters (Pmhpdp)
Manholes (Pmhpdq)
Sewers (Pmhpds)
Sumps (Pmhpdu)
Swales (Pmhpdv)
Related Terms (Associative)
Groundwater recharge (Jbhvr)