Guidelines for filter strip pre-treatment sizing
Link to this table
Parameter | Impervious Parking Lots | Residential Lawns | ||||||
---|---|---|---|---|---|---|---|---|
Maximum Inflow Approach Length (ft) | ||||||||
Filter Strip Slope | =<2% | >2% | =<2% | 2% | =<2% | 2% | =<2% | 2% |
Filter Strip Minimum Length | 10' | 15' | 20' | 25' | 10' | 12' | 15' | 18' |