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!colspan="2" style="background:white; color:black"| LID Practice
!colspan="3" style="background: orange; color: black"|CANADA
!colspan="12" style="background: brown; color: white"|United States
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!colspan="2" style="backgroung=green; color:white"|Green Roof|| CVC+TRCA (Factsheets-2010)<ref> http://www.creditvalleyca.ca/wp-content/uploads/2012/02/lid-swm-guide-apdxa-bioretention.pdf</ref>||LID-SWM Guide 2010<ref> http://www.creditvalleyca.ca/wp-content/uploads/2014/04/LID-SWM-Guide-v1.0_2010_1_no-appendices.pdf</ref>|| LID-Design Guide Edmonton- 2014 || New York State SWM Design Manual-2015||Massachusets SW BMP-2013 || District of Columbia-SWM Guidebook-2010 ||San Diego LID Handbook-2014||Alabama LID Handbook-2013|| W. Virginia-SWM design guidance manual-2012||Rhode Island-SW design & Installation Standards Manual-2012|| Minnesota SW Manual-2016 || Tennessee-LID Development-SWM 2016 || Texas-LID Technical Guidance Manual-2013 || Oregon SWM Manual-2014||Oregon State Univ. Fact Sheets-2011
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|colspan="2" |'''Slope (%)'''
|<= 10 || <= 10 || < 5 (requires sloped underdrain), 5-20 (gravity drainage), > 20 lath grid is required || || || || See Table A.6-3 for Media specs (Below) || || || || || || || ||
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|colspan="2" |'''Green roof assembly Weight(kg/m2)''' || 80 || || 290-967.7 (Intensive), 129.1-169.4 (Extensive) || || || || || || || || || || || ||
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|colspan="2" |'''Growing medium depth (cm)''' || 4-15 || 4-15 || || || || || || || || || || || || ||
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|colspan="2" style="text-align: right;|Intensive || > 15 || > 15 || 20-60 || || || || || || || || || || || ||
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|colspan="2" style="text-align: right;|Extensive || <= 15 || <= 15 || 10-15 || || || || || || || || || || || ||
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|colspan="2" |'''Fertilizer applications (nitrogen/m2)''' || < = 5.0 g || || || || || || || || || || || || || ||
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|colspan="2" |'''Porosity of the drainage Layer (%)''' || > = 25% || > = 25% || || || || || || || || || || || || ||
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|colspan="2" |'''Ratio of impervious area to treatment facility area, %''' || || 1:1 || || || || CDA:GR size +25% || || || || DA not limit, generally no runoff from surrounding area || || || || ||
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|colspan="2" |'''Plant density''' || || || Seeds >= 325/m2, Cuttings>= 12 kg/100m2, Plugs>= 11/m2 || || || || || || || || || || || ||
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|colspan="2" |'''Filter Media''' || || || || || || || || || || || || || || ||
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|colspan="2" style="text-align: right;|Organic || || || || 25% || < 5% || <20% || || < 15% || <20% || < 15% || See Table 1 for media parameter ranges || < 15% || < 20% || 25% || 20%
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|colspan="2" style="text-align: right;|Light Weight in-organic || || || || 75% || 95-100 % || 80-90% || 100% || > 85% || 80-90% || 85-100 % || || 80-90 % || 80-90 % || 50% ||
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|colspan="2" style="text-align: right;|CEC || || || || || || || > 10 || || || > 10 || || || > 10 || ||
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|colspan="2" style="text-align: right;|pH || || || || || || || 6.5-8 || || || || 6.5-7.8 || || 6.5-8 || ||
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|colspan="2" style="text-align: right;|Sand || || || || || || || || || || S: 95%; D:85-95% || || || || ||
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|colspan="2" style="text-align: right;|Silt || || || || || || || || || || S: <5%; D: 5-15% || || || || ||
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|colspan="2" style="text-align: right;|Clay || || || || || || || || || || 0% || || || || ||
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|colspan="2" style="text-align: right;|P-Content || || || || || || || || || || || E: 2-10; I:2-15 || || || ||
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|colspan="2" style="text-align: right;|Topsoil || || || || || || || || || || || || || || 25% ||
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|colspan="2" style="text-align: right;|Porous Material || || || || || || || || || || || || || || || 70%
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|colspan="2" style="text-align: right;|Digested fiber || || || || || || || || || || || || || || || 10%
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