Changes

|'''[[Bioretention]]'''

|'''[[Bioretention]]'''

|1

|1

|5:1 to 15:1||[[Underdrain]] recommended<br>if < 15 mm/hr||1 to 2||5 to 10||0 to 2||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 yr

|5:1 to 15:1||[[Underdrain]] recommended<br>if < 15 mm/hr||1 to 2||5 to 10||0 to 2||No (infiltrating); Yes (non-infiltrating)||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 yr (infiltrating); None (non-infiltrating)

|-

|-

|'''[[Stormwater planters]]'''

|'''[[Stormwater planters]]'''

|'''[[Permeable pavement]]'''

|'''[[Permeable pavement]]'''

|1

|1

|1:1 to 1.2:1||Underdrain recommended <br> if < 15 mm/hr||0.5 to 1||0||1 to 5||No||4m-Underground Utilities<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 Yr

|1:1 to 1.2:1||Underdrain recommended <br> if < 15 mm/hr||0.5 to 1||0||1 to 5||No (infiltrating); Yes (non-infiltrating)||4m-Underground Utilities<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 Yr (infiltrating); None (non-infiltrating)

|-

|-

|'''[[Enhanced grass swale]](has checkdams)'''

|'''[[Enhanced grass swale]](has checkdams)'''

|'''[[Dry swale]] (Bioswale)'''

|'''[[Dry swale]] (Bioswale)'''

|1

|1

|5:1 to 15:1||Underdrain recommended <br> if < 15 mm/hr||1 to 3||5 to 10||0.5 to 6||No||4m (3m if impermeable liner<br>is used)Building foundation,<br> Underground utilities, drinking<br>water wellhead protection areas||Yes||2 Yr

|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)

|-

|-

|'''[[Perforated pipe system]]'''

|'''[[Perforated pipe system]]'''