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|'''[[Dry swale]] (Bioswale)'''
|'''[[Dry swale]] (Bioswale)'''
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|1
|5:1 to 15:1||Underdrain recommended <br> if < 15 mm/hr||1 to 3||5 to 10||0.5 to 6||No (infiltrating); Yes (non-infiltrating)||4m (3m if impermeable liner<br>is used) Building foundation,<br> Underground utilities, drinking<br>water wellhead protection areas||Yes||2 Yr (infiltrating); None (non-infiltrating)
|5:1 to 15:1||Underdrain recommended <br> if < 15 mm/hr||1 to 3||5 to 10||0.5 to 6||No (infiltrating); Yes (non-infiltrating)||4m (3m if impermeable liner<br>is used) Building foundation,<br> Underground utilities, Drinking<br>Water Wellhead Protection Areas||Yes||2 Yr (infiltrating); None (non-infiltrating)
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|'''[[Perforated pipe system]]'''
|'''[[Perforated pipe system]]'''