photo illustrating a watershed scale treatment train approach using a multi-BMP approach to managing the quantity and quality of stormwater runoff.
In a watershed scale stormwater management approach, structural BMPs are used for on-site and regional treatment and after prevention and source control BMPs have been employed. Source:CDM Smith.

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".

  1. Green roofs (+)
  2. Permeable pavement (+)
  3. Trees
  4. Bioretention (+)
    1. Rain garden: see Bioretention
  5. Infiltration basin (+)
  6. Infiltration trench (+)
  7. Filtration (+)
    1. Swales
    2. Sand filters
  8. Iron enhanced sand filter (Minnesota Filter) (+)
  9. Stormwater ponds (+)
  10. Stormwater wetlands (+)
  11. Hydrodynamic devices
  12. Filtration devices
  13. Chemical treatment
  14. Modular treatment wetlands for stormwater management

To view all pages for a particular BMP, click on "+"