Commercial Districts
WQ depth = the larger of 0.5 inches or 0.25 + (0.012)2.9(0.0441A) | |
WQ v = WQ depth (A)/12 | |
Where: | |
WQv = water quality volume in acre-feet | |
WQ depth = depth in inches that must be captured for impervious areas | |
IA = percent of site impervious area | |
A = total of all impervious area on site in acres |
Rv(1 .5/12) (Impervious Area greater than 60% of the site) |
Commercial Districts
WQ depth = the larger of 0.5 inches or 0.25 + (0.012)2.9(0.0441A) | |
WQ v = WQ depth (A)/12 | |
Where: | |
WQv = water quality volume in acre-feet | |
WQ depth = depth in inches that must be captured for impervious areas | |
IA = percent of site impervious area | |
A = total of all impervious area on site in acres |
Rv(1 .5/12) (Impervious Area greater than 60% of the site) |