Earthen Dikes, Drainage Swales, and
Lined Ditches (SS9)
n Soil surface manipulation techniques
n Intercept and convey water down or across slopes
n Intercept run off from paved surfaces
n Direct water into a pipe or an existing water course
n Convey water away from areas where it will
accumulates or has the potential to cause flooding
n Top of slope to prevent run-on to the slope