Media filters
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For gravel filter ideas which use the filtering of geotextile, see infiltration trenches.
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 |