I have 3 parking lots which are comprised of gravel (chat)....what would the coefficient for this be? I believe it should be less than any kind of pavement but more than grass.

Hello there. My team and I are certifying a building in Brazilia, Brazil.

Our project site is a winery that directs stormwater to ponds which are later used for irrigation. The only thing is that the ponds are sometimes considerably distant from the LEED building.

Looking for Precipitation Intensity. New NOAA Site lets me select Precipitation Intensity and location and a site, but doesn't return any data.

Past conversations have said that the volume stored in the soil mix and the dead storage above the soil mix (below the overflow) in bio-retention basins can be used to offset the runoff volume incr

I've been reading the EB&OM stress test, and felt confused about the "You may get dirty" factor in SSc6.

OK it seems like, from reading the questions and responses here, that there is absolutely no clear guidance on how to come up with the "rainfall interval event" in order to perform the drawdown cal