No building permit shall be issued if the erection of the building and the proposed grades shall unreasonably obstruct the natural flow of water from the surface of an adjoining property and/or obstruct the flow of any existing ravine, ditch, drain or stormwater sewer draining onto a neighboring property, unless suitable provisions are made for such flows by means of an adequate ditch, swale or stormwater pipe.
(Ord. 726/97, passed 3-19-97)