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;depression storage
;depression storage
:A technique for incorporating shallow depressed areas into urban landscaped areas for storing and infiltrating runoff. Depression storage areas are small and have limited capacity and limited duration of retention in order to address property owner concerns relating to insects, damage to structures and inconvenience of ponded water on their property.
:A technique for incorporating shallow depressed areas into urban landscaped areas for storing and infiltrating runoff. Depression storage areas are small and have limited capacity and limited duration of retention in order to address property owner concerns relating to insects, damage to structures and inconvenience of ponded water on their property.
;Design storm
;design storm
:A rainfall pattern for use for the design of a hydraulic structure or system. A design storm is a specified amount of rainfall from a storm1 with its spatial and temporal distribution used to estimate a design discharge.
;Detention
;Detention
;offline
;offline
:Refers to a system that when full, stormwater will bypass the practice. Offline systems use flow splitters or bypass channels that only allow the water quality volume to enter the facility. This may be achieved with a pipe, weir, or curb opening sized for the target flow, but in conjunction, create a bypass channel so that higher flows do not pass over the surface of the filter bed.
:Refers to a system that when full, stormwater will bypass the practice. Offline systems use flow splitters or bypass channels that only allow the water quality volume to enter the facility. This may be achieved with a pipe, weir, or curb opening sized for the target flow, but in conjunction, create a bypass channel so that higher flows do not pass over the surface of the filter bed.
;Peak flow
;peak flow
:the maximum flow rate occurring during a flood event measured at a given point in a river, street, or pipe system.
;Permeable pavement
;Permeable pavement
;recharge
;recharge
:The infiltration and movement of surface water into the soil, past the vegetation root zone, to the zone of saturation or water table.
:The infiltration and movement of surface water into the soil, past the vegetation root zone, to the zone of saturation or water table.
;Return period
;return period
:The average time between years when an precipitation event of specified magnitude is met or exceeded.
;Riparian
;Riparian