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|colspan="2"|(Impervious drainage/treatment) area
|colspan="2"|(Impervious drainage/treatment) area
|5:1-20:1, 10:1 recommended || || 5:1-20:1, 10:1 recommended ||CDA < 5 acres||CDA < 2 acres (T), < 5 acres (B)||< 2 acres || Max. load of 10:1 for infiltration systems (not specific to LID type)|| CDA: max. 15000 ft2|
|5:1-20:1, 10:1 recommended ||   || 5:1-20:1, 10:1 recommended ||CDA < 5 acres||CDA < 2 acres (T), < 5 acres (B)||< 2 acres || Max. load of 10:1 for infiltration systems (not specific to LID type)||CDA: max. 15000 ft2||
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|colspan="2"|  Natural Slope (%) || < 15 ||  || < 15 ||  ||  ||  ||  ||  
|colspan="2"|  Natural Slope (%) || < 15 ||  || < 15 ||  ||  ||  ||  ||  
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| colspan="2"| Bottom widh of excavations (mm) || 600-2400 || 600-2400 || 600-2400 ||  ||  ||  ||  ||  
| colspan="2"| Bottom widh of excavations (mm) || 600-2400 || 600-2400 || 600-2400 ||  ||  ||  ||  ||  
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| colspan="2"|Minimum depth of excavations under concrete laneway (mm) ||  ||  ||  ||  ||  ||  || 3000 |
| colspan="2"|Minimum depth of excavations under concrete laneway (mm) ||  ||  3000||  ||  ||  ||  || ||
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| colspan="2"| length of time for draining after storm event (>25mm) ||  ||  ||  ||  ||  || max. 72 hr ||  || max.72 hr, 48 recommended |  
| colspan="2"| length of time for draining after storm event (>25mm) || max. 72 hr ||  || max.72 hr, 48 recommended ||  ||    ||    ||    ||
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| colspan="2"| Depth to high water table (m) || ||  || || || || 1 || || 1 |  
| colspan="2"| Depth to high water table (m) || 1 ||  || 1 ||   ||   || ||   ||   |    
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|  colspan="2"|Sand layer depth (mm) ||  ||  || ||  || ||  || 150-300 ||
|  colspan="2"|Sand layer depth (mm) || |  ||150-300 ||  ||   ||  ||   ||  || |
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|  colspan="2"|Subdrains ||  ||  || || Inlet pipes (mm) ||  ||  || 100-200 ||
|  colspan="2"|Subdrains Inlet pipes (mm) ||  || 100-200 ||  ||   ||   ||  ||  ||   |
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| colspan="2"|Overflow ( if infiltration rate ) ||  || ||  ||  || ||  || < 15 mm/hr ||
| colspan="2"|Overflow ( if infiltration rate ) ||  || < 15 mm/hr ||  ||  ||   ||  ||   ||   |  
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|  colspan="2"|Facilties reciving road runoff are not located within time of travel ||  ||  ||  ||  ||  || 2 ||  || 2 |
|  colspan="2"|Facilties reciving road runoff are not located within time of travel wellhead protection areas, year || 2 ||  || 2 ||  ||  ||  || || |
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|  colspan="2"|wellhead protection areas, year || ||  || ||  ||  ||  || || |
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