Roadside ditches and swales shall be designed based on a ten-year storm frequency and ditch protection shall be provided as outlined in the Lake County Watershed Development Ordinance adopted by the village.
(A) Ditches or swales shall be graded to obtain a longitudinal slope no less than 1.50%.
(B) If 1.50% longitudinal slope is not obtainable, an alternative may be underground storm sewer, pipe underdrain or french drain as directed by the Village Engineer.
(Ord. 1995-0-25, passed 12-26-95)