Line 12: |
Line 12: |
| *Treating runoff collected from nearby impervious surfaces}} | | *Treating runoff collected from nearby impervious surfaces}} |
| '''The fundamental components of a bioretention cell are:''' | | '''The fundamental components of a bioretention cell are:''' |
− | *a surface ponding area | + | *A surface ponding area |
− | *a 'filter bed' containing a [[Bioretention: Filter media| filter media]] | + | *A filter bed containing a [[Bioretention: Filter media| filter media]] |
− | *a water storage layer of [[reservoir aggregate]] | + | *A water storage layer of [[reservoir aggregate]] |
− | *[[Plant lists|plants]], and | + | *[[Plant lists|Plants]], and |
− | *a finishing surface layer (e.g. [[mulch]] and/or [[stone]]) | + | *A filter bed surface cover layer (e.g. [[mulch]] and/or [[stone]]) |
| '''Additional components may include:''' | | '''Additional components may include:''' |
− | *an [[underdrain]] to redistribute or remove excess water | + | *An [[underdrain]] to redistribute or remove excess water |
− | *soil [[additives]] intended to enhance nutrient and related water quality pollutant removal | + | *Filter media [[additives]] intended to enhance nutrient and related water quality pollutant removal |
| | | |
| ==Planning considerations== | | ==Planning considerations== |