Processes utilized by Best Management Practices - Constructed Basins. Sources: WEF, 2012; Strecker, 2005.
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Pond forebay | Wet detention pond | Stormwater wetland | Dry pond | ||
---|---|---|---|---|---|
Pretreatment | X | ||||
HYDRAULIC PROCESSES | Attenuation | X | X | X | |
Infiltration / Runoff reduction | |||||
Evaporation | |||||
Transpiration | |||||
PHYSICAL PROCESSES | Screening | ||||
Sedimentation | X | X | X | X | |
Filtration | |||||
Flotation / Skimming | X | X | |||
Laminar Separation | |||||
Swirl concentration | |||||
BIOLOGICAL PROCESSES | Plant metabolism | X | |||
Pathogen die-off | X | X | |||
Nitrification / denitrification | X | X | |||
CHEMICAL PROCESSES | Precipitation | X | X | ||
Coagulation | X | X | |||
Sorption/Ion Exchange | X | ||||
OTHER | Thermal / temperature |