A. Water Flowing Into Storm Drains:
1. It shall be unlawful for any person, firm or corporation to obstruct any street, sidewalk or alley within the city, by placing any approach driveway or other obstruction or substance whatever that will obstruct or prevent the natural flow of water into the storm sewers or drains or dam the same so as to back any water upon the streets, alleys, sidewalks or gutter.
2. Any such obstruction is hereby declared to be a nuisance, and the street department may abate it at any time, either with or without notice to owners or occupants of abutting property owners. (1986 Code § 19-10)
B. Drainage Tiles; Size, Permit:
1. Size: No person shall install or lay any drainage pipe or culvert of less than twelve inch (12") diameter in the construction, repair, or alteration of any driveway, sidewalk or other private way, which said drainage pipe or culvert when installed will be upon public property, with the exception that ten inch (10") diameter steel or equivalent metal pipe or culverts may be used in flat areas of the city where adjoining drainage ditches are not sufficiently deep that any advantage could be gained from larger pipe or culverts.
2. Materials: All drainage pipes or culverts so installed in the city shall be either of steel or equivalent metal or concrete construction.
3. Permit: Such person shall first obtain a permit from the city clerk with the approval of the street superintendent for work to be done. The word "person" as it appears herein shall mean person, firm, association, corporation, partnership or other group of persons. (1986 Code § 19-11)
4. Inspection: It shall be the duty of the street superintendent to inspect each and every drainage tile installed within the corporate limits of the city, which installations are governed by the provisions of this subsection, and to enforce the provisions thereof. (1986 Code § 19-12)