how wide is a levee
Under existing conditions, levee conditions are greatly. variable. A typical present levee condition is a 20-foot-wide crest at an approximate elevation of. +8.5 feet above mean sea level with an exterior (water-side) slope of 2:1 (horizontal to vertical) and. aninterior (land-side) slope of 4:1. Under the proposedproject, a typicalimproved levee wouldhave.