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Line 1: !style="background: cyan; color: black"|Set Backs!style="background: cyan; color: black"|Water Table <ref>Separated from the seasonally high water table or top of bedrock elevation</ref>!style="background: cyan; color: black"|Wellhead Protection Area<ref>|Time-of-travel within wellhead protection areas</ref> !Rain Barrel!Not applicable!|[5 to 50 m<sup>2</sup>]||Not applicable||1||0||NA||Yes||None||None||None!Cistern!Not applicable!|1:1||Not applicable||0||0||0||Yes||None||None||None
!Roof Downspout Disconnection!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|-!Soakaway, Infiltration Trench or Chamber!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!Bioretention!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!Biofilter (Filtration only Bioretention Design)!Not applicable!|5:1||Not applicable||1 to 2||2 to 5||0 to 2||Yes||Building Foundation, Trees||None||None!Vegetated Filter Strip!1!|5:1||Amend if < 15 mm/hr||0 to 1||15 to 20||1 to 5||No||None||None||None!Permeable Pavement!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!Enhanced Grass Swale!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!Dry Swale!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!Perforated Pipe System!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
no edit summary
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!style="background: cyan; color: black"|LID Stormwater Management Practice
!Installation type
!style="background: cyan; color: black"|Depth to High Water or Bedrock (m)<ref>Minimum depth between the base of the facility and the elevation of the seasonally high water table or top of bedrock</ref>
!Depth to high water or bedrock (m)<sup>i</sup>
!style="background: cyan; color: black"|Typical Ratio of <br>Impervious Drainage Area<br> to Treatment Facility Area
!Ratio of impervious drainage area to <br>permeable facility footprint area
!style="background: cyan; color: black"|Native Soil Infiltration Rate (mm/hr)<ref>Infiltration rate estimates based on measurements of hydraulic conductivity under field saturated conditions at the proposed location and depth of the practice</ref>
!Native soil infiltration rate (mm/hr)<sup>ii</sup>
!style="background: cyan; color: black"|Head (m)<ref>Vertical distance between the inlet and outlet of the LID practice</ref>
!Head (m)<sup>iii</sup>
!style="background: cyan; color: black"|Space % <ref>Percent of open pervious land on the site that is required for the LID practice</ref>
!Space %<sup>iv</sup>
!style="background: cyan; color: black"|Slope % <ref>Slope at the LID practice location</ref>
!Slope %<sup>v</sup>
!style="background: cyan; color: black "|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<sup>vi</sup>
!Set backs
!Karst<sup>vii</sup>
!Wellhead protection area<sup>viii</sup>| Drinking Water Source Protection wellhead protection area time of travel
|-
|'''[[Rain barrels]]'''
|Not a constraint
||Not applicable||Not a constraint||1||0||NA||Yes||None||Yes||None
|-
|'''[[rainwater harvesting|Cisterns]]'''
|Not a constraint
|Not applicable||Not a constraint||0||0||0||Yes||None||Yes||None
|-
|'''[[Downspout disconnection|Roof downspout disconnection]]'''
|Not a constraint
|4:1 or less||Decompaction if < 15 mm/hr||0.5||5 to 20||1 to 5||Yes||Building Foundation||Yes||None
|-
|'''[[Infiltration trenches]] or [[Infiltration chambers]]'''
|1
|5:1 to 20:1||Not a constraint||1 to 2||0 to 1||<15 %||No<sup>ix</sup>||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||No||2 yr
|-
|'''[[Bioretention]]'''
|1 (infiltrating); Not a constraint (non-infiltrating)
|5:1 to 15:1||Decompaction and [[Underdrain|underdrain]] recommended<br>if < 15 mm/hr (infiltrating)||1 to 2||5 to 10||0 to 2||No (infiltrating)<sup>ix</sup>; 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]]'''
|Not a constraint
|5:1||Not a constraint||1 to 2||2 to 5||0 to 2||No (infiltrating)<sup>ix</sup>; Yes (non-infiltrating)||Building Foundation, Trees||No (infiltrating); Yes (non-infiltrating)||2 Yr (infiltrating); None (non-infiltrating)
|-
|'''[[Vegetated filter strips]]'''
|Not a constraint
|4:1 or less||Decompaction if < 15 mm/hr||0 to 1||15 to 20||1 to 5||No<sup>ix</sup>||None||Yes||None
|-
|'''[[Permeable pavements]]'''
|1 (infiltrating); Not applicable (non-infiltrating)
|0 to 1:1||[[Underdrain]] recommended <br> if < 15 mm/hr (infiltrating)||0.5 to 1||0||1 to 5||No (infiltrating)<sup>ix</sup>; 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 swales]] (featuring check dams)'''
|1
|5:1 to 10:1||Decompaction if < 15 mm/hr||1 to 3||5 to 15||0.5 to 6||No<sup>ix</sup>||4m- Building Foundation<br>Underground Utilities||No||2 Yr
|-
|'''[[Bioswales]] (Dry swales)'''
|1 (infiltrating); Not applicable (non-infiltrating)
|5:1 to 15:1||Decompaction and [[Underdrain|underdrain]] recommended <br> if < 15 mm/hr (infiltrating)||1 to 3||5 to 10||0.5 to 6||No (infiltrating)<sup>ix</sup>; 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)
|-
|-
|'''[[Exfiltration trenches]]'''
|1
|5:1 to 10:1||Not a constraint||1 to 3||0||< 15%||No<sup>ix</sup>||4m- Building Foundation<br>Underground Utilities, Trees,<br>Drinking Water Wellhead<br>Protection Areas||No||2 Yr
|-
|-
|'''[[Stormwater Tree Trenches|Stormwater tree trenches]]'''
|1
|5:1 to 15:1||[[Underdrain]] recommended<br>if < 15 mm/hr||1 to 2||5 to 10||0 to 2||No<sup>ix</sup>||4m- Building Foundation<br>Underground Utilities, <br>Drinking Water Wellhead<br>Protection Areas||No||2 yr
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{| style="width: 900px;"
!+ style="text-align: left;" |'''Notes'''
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|<sup>i</sup> <small>Minimum depth between the base of the facility and the elevation of the seasonally high water table or top of bedrock</small>
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|<sup>ii</sup> <small>Infiltration rate estimates based on measurements of hydraulic conductivity under field saturated conditions at the proposed location and depth of the practice</small>
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|<sup>iii</sup> <small> Vertical distance between the inlet and outlet of the LID practice</small>
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|<sup>iv</sup> <small>Percent of open pervious land on the site that is required for the LID practice</small>
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|<sup>v</sup> <small>Slope at the LID practice location </small>
|-
|<sup>vi</sup> <small>Suitable in pollution hot spots or runoff source areas where land uses or activities have the potential to generate highly contaminated runoff</small>
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|<sup>vii</sup> <small>Suitability in areas of karst geologic formations</small>
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|<sup>viii</sup> <small>Drinking Water Source Protection wellhead protection area time of travel</small>
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|<sup>ix</sup> <small>May be allowed under special circumstances and if appropriate mitigation actions are taken - please contact your local Source Protection Region (SPR) or Source Protection Area (SPA) for further information. You can find your associated [https://conservationontario.ca/fileadmin/pdf/conservation_authorities_section/SWPSouthernON_EN.pdf SPR/SPA based on your location here] and then visit their [https://conservationontario.ca/conservation-authorities/source-water-protection/source-protection-plans-and-resources site here]</small>
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