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*[[Gravel diaphragms]]
*[[Gravel diaphragms]]
*[[Vegetated filter strips]]
*[[Vegetated filter strips]]
*[[Level spreaders]]
A gravel diaphragm typically requires less setback between the catchment and the BMP. Where space permits, these two designs can be used in combination to even greater effect!
A gravel diaphragm typically requires less setback between the catchment and the BMP. Where space permits, these two designs can be used in combination to even greater effect!
==Concentrated overland flow==
==Concentrated overland flow==