DEPTH TO WATER TABLE (meter) | TOPOGRAPHY (slope %) | |||||||
Range (meter) | Rating | Weight | Range (%) | Rating | Weight | |||
0 - 1.5 | 10 | 5 | 0 - 2 | 10 | 1 | |||
1.5 - 4.5 | 9 | 3 - 6 | 9 | |||||
4.5 - 9 | 7 | 7 - 12 | 5 | |||||
9 - 15 | 5 | 13 - 18 | 3 | |||||
15 - 23 | 3 | >18 | 1 | |||||
23 - 30 | 2 | IMPACT OF VADOSE ZONE | ||||||
>30 | 1 | Range | Rating | Weight | ||||
NET RECHARGE (millimeter∙year−1) | Sandy clays | 3 | 5 | |||||
Range (millimeter∙year−1) | Rating | Weight | Metamorphic rock Sandstone, Clay | 4 | ||||
0 - 50 | 1 | 4 | Armours and Gravel | 5 | ||||
50 - 100 | 3 | Ferruginous sandstone and coarse sands bitumen | 6 | |||||
100 - 180 | 6 | Clayey Sand | 7 | |||||
AQUIFER MEDIA | Sand and Gravel | 8 | ||||||
Range | Rating | Weight | coarse sands | 9 | ||||
Sand and Gravel | 8 | 3 | HYDRAULIC CONDUCTIVITY (meter∙day−1) | |||||
Clayey Sands | 4 | Range (meter∙day−1) | Rating | Weight | ||||
SOIL MEDIA | <4 | 1 | 3 | |||||
4 - 12 | 2 | |||||||
Range | Rating | Weight | 12 - 29 | 4 | ||||
Sands (10% to 45% of Clay) | 7 | 2 | 29 - 41 | 6 | ||||
Organic matter (peats) | 8 | 41 - 82 | 8 | |||||
Sands (0% to 8% of Clay) | 9 | >82 | 10 | |||||