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| + | For gravel filter ideas which use the filtering of [[geotextile]], see [[infiltration trenches]]. |
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| | | |
| + | {| class="wikitable" |
| + | | |
| + | !Surface filter |
| + | !Underground filter |
| + | !Perimeter filter |
| + | !Pocket filter |
| + | !Organic filter |
| + | !Bioretention |
| + | |- |
| + | !Minimum head (m) |
| + | |1.5||1.2||0.9||0.9||1.5||1.2 |
| + | |- |
| + | !Ultra-urban |
| + | |Maybe||Ideal||Yes||Maybe||Maybe||Maybe |
| + | |- |
| + | !Parking lots |
| + | |Ideal||Yes||Ideal||Yes||Yes||Ideal |
| + | |- |
| + | !Roads |
| + | |Maybe||Maybe||Maybe||Maybe||No||Yes |
| + | |- |
| + | !Residential |
| + | |Maybe||Maybe||Maybe||Yes||Maybe||Yes |
| + | |- |
| + | !Landscaped |
| + | |No||No||No||No||Maybe||Ideal |
| + | |- |
| + | !Rooftop |
| + | |Yes||Yes||Yes||Yes||Yes||Yes |
| + | |} |
| | | |
| ==To Review== | | ==To Review== |