Permeable pavements performance summary
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Event Runoff Volume Performance Summary
BMP Permeable Asphalt Permeable Concrete
Runoff Volume from Direct Watershed (ft3) 759 759
Runoff Volume from Upstream BMPs (ft3) 0 265
Retention Volume Provided by BMP (ft3) 759 638
Outflow Volume from BMP (ft3) 0 386
Percent Performance Goal Achieved (%) 100 62
Annual Performance Goal Summary
Volume Runoff from Direct Watershed (acre-ft.) 0.48 0.45
Runoff from Upstream BMPs (acre-ft. 0.03 0.19
Retention Volume Provided by BMP (acre-ft.) 0.47 0.50
Outflow Volume from BMP (acre-ft.) 0.40 0.14
Percent Performance Goal Achieved (%) 91 78
Phosphorous (P) Particulate P from Watershed (lbs.) 0.21 0.2
Particulate P from Upstream BMPs (lbs.) 0.02 0.08
Particulate P Load Reduction (lbs.) 0.23 0.27
Particulate P Outflow 0 0.01
Total Percent Particulate P Reduction 98 96
Dissolved P from Watershed (lbs.) 0.18 0.16
Dissolved P from Upstream BMPs (lbs.) 0.01 0.07
Dissolved P Load Reduction (lbs.) 0.17 0.18
Dissolved P Outflow (lbs.) 0.02 0.05
Total Percent Dissolved P Reduction (%) 92 78
Total Suspended Solids (TSS) TSS from Watershed (lbs.) 71 66
TSS from Upstream BMPs (lbs.) 5 28
TSS Load Reduction (lbs.) 74 89
TSS Outflow (lbs.) 2 5
Total Percent TSS Reduction (%) 97 95

This page was last edited on 21 July 2015, at 19:24.

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