An operator of a well shall fill and level the cellar and all pits and excavations, remove or eliminate debris, minimize erosion, and restore the well site as nearly as practicable to the original land contour or to a condition approved by the city engineer as soon as practical after the completion of plugging to the surface, but not more than six months after the completion of plugging to the surface. (Ord. 449 (part), 2003)