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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<ref>Separated from the seasonally high water table or top of bedrock elevation</ref>
!Water table separation<ref>Must have adequate separation from the seasonally high water table or top of bedrock elevation</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 Barrel'''
|'''Rain Barrel'''
|Not applicable
|Not applicable
||5 to 50 m<sup>2</sup>||Not applicable||1||0||NA||Yes||None||None||None
||5 to 50 m<sup>2</sup>||Not applicable||1||0||NA||Yes||None||No||None
|-
|-
|'''Cistern'''
|'''Cistern'''
|Not applicable
|Not applicable
|1:1||Not applicable||0||0||0||Yes||None||None||None
|1:1||Not applicable||0||0||0||Yes||None||No||None
|-
|-
|'''Roof 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||None||None
|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
|-
|-
|'''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||1 m||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||Yes||2 yr
|-
|-
|'''Bioretention'''
|'''Bioretention'''
|1
|1
|5:1 to 15:1||Underdrain required<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||1 m||2 yr
|5:1 to 15:1||Underdrain required<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
|-
|-
|'''Stormwater planters'''
|'''Stormwater planters'''
|Not applicable
|Not applicable
|5:1||Not applicable||1 to 2||2 to 5||0 to 2||Yes||Building Foundation, Trees||None||None
|5:1||Not applicable||1 to 2||2 to 5||0 to 2||Yes||Building Foundation, Trees||No||None
|-
|-
|'''Vegetated filter strip'''
|'''Vegetated filter strip'''
|1
|1
|5:1||Amend if < 15 mm/hr||0 to 1||15 to 20||1 to 5||No||None||None||None
|5:1||Amend if < 15 mm/hr||0 to 1||15 to 20||1 to 5||No||None||No||None
|-
|-
|'''Permeable pavement'''
|'''Permeable pavement'''
|1
|1
|1:1 to 1.2:1||Underdrain Required <br> if < 15 mm/hr||0.5 to 1||0||1 to 5||No||4m-Underground Utilities<br>Drinking Water Wellhead<br>Protection Areas||1 m||2 Yr
|1:1 to 1.2:1||Underdrain Required <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
|-
|-
|'''Enhanced grass swale (has checkdams)'''
|'''Enhanced grass swale (has checkdams)'''
|1
|1
|5:1 to 10:1||Not applicable||1 to 3||5 to 15||0.5 to 6||No||4m- Building Foundation<br>Underground Utilities||1 m||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 Required <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||1 m||2 Yr
|5:1 to 15:1||Underdrain Required <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
|-
|-
|'''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||1 m||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||Yes||2 Yr
|}
|}