Changes

===Designing within constraints===

===Designing within constraints===

{{textbox|Infiltration can still be optimized over 'tight' soils with infiltration rates ≤ 15 mm/hr:

{{textbox|Infiltration can still be optimized on low permeability soils with infiltration rates ≤ 15 mm/hr:

*See [[Underdrains| underdrains]] for [[Bioretention| bioretention]] and [[Trees| tree pits, trenches and soil cells]], and  

*See [[Underdrains| underdrains]] for [[Bioretention| bioretention]] and [[Trees| tree pits, trenches and soil cells]], and  

*Results from STEP studies of infiltration practices on [[low permeability soils]]

*Results from STEP studies of infiltration practices on [[low permeability soils]]