No person, either in person or through an agent, employee or contractor, shall make, allow or cause to be made any sewer connection to the POTW for service, or for the purpose of servicing property outside the boundaries of the POTW, except upon the written approval of the director. Such connection to the POTW shall be made by a person who is either a bonded, state licensed sewer contractor or plumber who has obtained necessary sewer and street permits. (Ord. 68-11, 2011)