Table . Coffee Creek subwatershed critical areas (5-year goal) load reductions from BMPs Critical Critical 12 Drainage 22 Drainage Area Area Suggested Nitrogen Phosphorus Sediment Suggested Nitrogen Phosphorus Sediment Acres Acres BMP lb/yr lb/yr lb/yr BMP lb/yr lb/yr lb/yr Extended Wet Porous 5 16.0 2.0 1000.00 5 24.7 1.9 979.6 Detention Pavement Extended Porous 10 49.3 3.8 1959.1 Wet 5 16 2 1000.00 Pavement Detention Infiltration Forested 5 14.5 1.9 1000 5 7.3 1.5 600.0 Swale Buffers Tree & Shrub Infiltration 1 NA NA NA 5 14.5 1.9 1000 Planting Swale Rain Barrels Reduction 79.8 7.7 3959.1 & Rain 10 58 5.8 2200 Sum Gardens Cover Crop 21 9.7 3.3 800.0 Filter Strip 1 3.3 0.8 615.4 Reduced 11 23.6 5.4 2.8 Tillage Nutrient 21 8 3 0 Management Riparian 3 5.3 1.3 0.6 Buffer Septic System NA NA NA Maintenance Tree & Shrub 1 NA NA NA Planting Reduction 170.2 26.7 7198.4 Sum Calculated percent reductions for the Coffee Creek subwatershed (5-year goal) are 1% for nitrogen, 0.3% for phosphorus, and 2% for sediment.
Table . Coffee Creek subwatershed critical areas (5-year goal) load reductions from BMPs Critical Drainage Area 12 Critical Drainage Area 22 Suggested BMP Acres Nitrogen lb/yr Phosphorus lb/yr Sediment lb/yr Suggested BMP Acres Nitrogen lb/yr Phosphorus lb/yr Sediment lb/yr Extended Wet Detention 5 16.0 2.0 1000.00 Porous Pavement 5 24.7 1.9 979.6 Porous Pavement 10 49.3 3.8 1959.1 Extended Wet Detention 5 16 2 1000.00 Infiltration Swale 5 14.5 1.9 1000 Forested Buffers 5 7.3 1.5 600.0 Tree & Shrub Planting 1 NA NA NA Infiltration Swale 5 14.5 1.9 1000 Reduction Sum 79.8 7.7 3959.1 Rain Barrels & Rain Gardens 10 58 5.8 2200 Cover Crop 21 9.7 3.3 800.0 Filter Strip 1 3.3 0.8 615.4 Reduced Tillage 11 23.6 5.4 2.8 Nutrient Management 21 8 3 0 Riparian Buffer 3 5.3 1.3 0.6 Septic System Maintenance NA NA NA Tree & Shrub Planting 1 NA NA NA Reduction Sum 170.2 26.7 7198.4 Calculated percent reductions for the Coffee Creek subwatershed (5-year goal) are 1% for nitrogen, 0.3% for phosphorus, and 2% for sediment.