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!Applicable in pollution hotspots <ref>Suitable in pollution hot spots or runoff source areas where land uses or activities have the potential to generate highly contaminated runoff</ref>
!Applicable in pollution hotspots <ref>Suitable in pollution hot spots or runoff source areas where land uses or activities have the potential to generate highly contaminated runoff</ref>
!Set backs
!Set backs
!Water table separation<ref>Must have adequate separation from the seasonally high water table or top of bedrock elevation</ref>
!Karst<ref>Suitability in areas of karst geologic formations</ref>
!Wellhead protection area<ref>|Time-of-travel within wellhead protection areas</ref>
!Wellhead protection area<ref>|Time-of-travel within wellhead protection areas</ref>
|-
|-
|'''[[Rain barrels|Rain Barrel]]'''
|'''[[Rain barrels|Rain Barrel]]'''
|Not applicable
|Not applicable
||5 to 50 m<sup>2</sup>||Not applicable||1||0||NA||Yes||None||No||None
||5 to 50 m<sup>2</sup>||Not applicable||1||0||NA||Yes||None||Yes||None
|-
|-
|'''[[rainwater harvesting|Cistern]]'''
|'''[[rainwater harvesting|Cistern]]'''
|Not applicable
|Not applicable
|1:1||Not applicable||0||0||0||Yes||None||No||None
|1:1||Not applicable||0||0||0||Yes||None||Yes||None
|-
|-
|'''[[Downspout disconnection|Roof downspout disconnection]]'''
|'''[[Downspout disconnection|Roof downspout disconnection]]'''
|Not applicable
|Not applicable
|5 to 100 m<sup>2</sup>||Amend if < 15 mm/hr||0.5||5 to 20||1 to 5||Yes||Building Foundation||No||None
|5 to 100 m<sup>2</sup>||Amend if < 15 mm/hr||0.5||5 to 20||1 to 5||Yes||Building Foundation||Yes||None
|-
|-
|'''Soakaway, infiltration trench or chamber'''
|'''Soakaway, infiltration trench or chamber'''
|1
|1
|5:1 to 20:1||Not a constraint||1 to 2||0 to 1||<15 %||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 yr
|5:1 to 20:1||Not a constraint||1 to 2||0 to 1||<15 %||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||No||2 yr
|-
|-
|'''[[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 (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)
|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||No (infiltrating); Yes (non-infiltrating)||2 yr (infiltrating); None (non-infiltrating)
|-
|-
|'''[[Stormwater planters]]'''
|'''[[Stormwater planters]]'''
|Not applicable
|Not applicable
|5:1||Not a constraint||1 to 2||2 to 5||0 to 2||No (infiltrating); Yes (non-infiltrating)||Building Foundation, Trees||No||2 Yr (infiltrating); None (non-infiltrating)
|5:1||Not a constraint||1 to 2||2 to 5||0 to 2||No (infiltrating); Yes (non-infiltrating)||Building Foundation, Trees||No (infiltrating); Yes (non-infiltrating)||2 Yr (infiltrating); None (non-infiltrating)
|-
|-
|'''[[Vegetated filter strip]]'''
|'''[[Vegetated filter strip]]'''
|1
|Not applicable
|5:1||Amend if < 15 mm/hr||0 to 1||15 to 20||1 to 5||No||None||No||None
|5:1||Amend if < 15 mm/hr||0 to 1||15 to 20||1 to 5||No||None||Yes||None
|-
|-
|'''[[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 (infiltrating); Yes (non-infiltrating)||4m-Underground Utilities<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 Yr (infiltrating); None (non-infiltrating)
|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||No (infiltrating); Yes (non-infiltrating)||2 Yr (infiltrating); None (non-infiltrating)
|-
|-
|'''[[Enhanced grass swale]](has checkdams)'''
|'''[[Enhanced grass swale]](has checkdams)'''
|1
|Not applicable
|5:1 to 10:1||Not applicable||1 to 3||5 to 15||0.5 to 6||No||4m- Building Foundation<br>Underground Utilities||Yes||None
|5:1 to 10:1||Not applicable||1 to 3||5 to 15||0.5 to 6||No||4m- Building Foundation<br>Underground Utilities||Yes||None
|-
|-
|'''[[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 (infiltrating); Yes (non-infiltrating)||4m (3m if impermeable liner<br>is used) Building foundation,<br> Underground utilities,<br> Drinking 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,<br> Drinking Water Wellhead Protection Areas||No (infiltrating); Yes (non-infiltrating)||2 Yr (infiltrating); None (non-infiltrating)
|-
|-
|'''[[Perforated pipe system]]'''
|'''[[Perforated pipe system]]'''
|1
|1
|5:1 to 10:1||Not a constraint||1 to 3||0||< 15%||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||Yes||2 Yr
|5:1 to 10:1||Not a constraint||1 to 3||0||< 15%||No||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||No||2 Yr
|}
|}