Difference between revisions of "Structural stormwater Best Management Practices"
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A structural stormwater [[Glossary#B|Best Management Practice]] (BMP) is defined in the [http://stormwater.pca.state.mn.us/index.php/MS4_General_Permit MS4 General permit] as "a stationary and permanent BMP that is designed, constructed and operated to prevent or reduce the discharge of pollutants in stormwater". | A structural stormwater [[Glossary#B|Best Management Practice]] (BMP) is defined in the [http://stormwater.pca.state.mn.us/index.php/MS4_General_Permit MS4 General permit] as "a stationary and permanent BMP that is designed, constructed and operated to prevent or reduce the discharge of pollutants in stormwater". | ||
| − | #[[Green roofs]] | + | #[[Green roofs]] |
| − | #[[Permeable pavement]] | + | #[[Permeable pavement]] |
#[[Trees]] | #[[Trees]] | ||
| − | #[[Bioretention]] | + | #[[Bioretention]] |
##Rain garden: see [[Bioretention]] | ##Rain garden: see [[Bioretention]] | ||
#[[Infiltration]] (infiltration trench, basin, dry well, and underground infiltration) | #[[Infiltration]] (infiltration trench, basin, dry well, and underground infiltration) | ||
| − | #[[Filtration]] | + | #[[Filtration]] |
##[[Dry swale (Grass swale)]] | ##[[Dry swale (Grass swale)]] | ||
##[[Wet swale (wetland channel)]] | ##[[Wet swale (wetland channel)]] | ||
##[[High-gradient stormwater step-pool swale]] | ##[[High-gradient stormwater step-pool swale]] | ||
##[[Sand filters]] | ##[[Sand filters]] | ||
| − | #[[Iron enhanced sand filter (Minnesota Filter)]] | + | #[[Iron enhanced sand filter (Minnesota Filter)]] |
| − | #[[Stormwater ponds]] | + | #[[Stormwater ponds]] |
| − | #[[Stormwater wetlands]] | + | #[[Stormwater wetlands]] |
#[[Manufactured treatment devices]] | #[[Manufactured treatment devices]] | ||
#Pretreatment practices | #Pretreatment practices | ||
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##[[Pretreatment - Other pretreatment water quality devices and practices]] | ##[[Pretreatment - Other pretreatment water quality devices and practices]] | ||
#[[Chemical treatment]] | #[[Chemical treatment]] | ||
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<gallery caption="Examples of structural BMPs." widths="150px"> | <gallery caption="Examples of structural BMPs." widths="150px"> | ||
Revision as of 20:42, 22 November 2022
A structural stormwater Best Management Practice (BMP) is defined in the MS4 General permit as "a stationary and permanent BMP that is designed, constructed and operated to prevent or reduce the discharge of pollutants in stormwater".
- Green roofs
- Permeable pavement
- Trees
- Bioretention
- Rain garden: see Bioretention
- Infiltration (infiltration trench, basin, dry well, and underground infiltration)
- Filtration
- Iron enhanced sand filter (Minnesota Filter)
- Stormwater ponds
- Stormwater wetlands
- Manufactured treatment devices
- Pretreatment practices
- Vegetated filter strips
- Pretreatment - Hydrodynamic separation devices
- Pretreatment - Screening and straining devices, including forebays
- Pretreatment - Above ground and below grade storage and settling devices
- Pretreatment - Filtration devices and practices
- Pretreatment - Other pretreatment water quality devices and practices
- Chemical treatment
- Examples of structural BMPs.
Bioretention (rain garden)
Permeable pavement
Green roof (Image Courtesy of The Kestrel Design Group, Inc.)
Iron enhanced sand filter (Photo courtesy of Barr Engineering)
Vegetated swale
Vegetated filter strip. Photo courtesy of Alisha Goldstein, U.S. EPA.
Pretreatment Manhole Sump [Ramsey Conservation District, 2017].
