No person shall throw or deposit litter in, at or about the town landfill except within the confines of said landfill or at a location specified herein, if a town employee is present and specifies a location, nor shall any person throw or deposit litter at said landfill or attempt to do so, except during the hours permitted, as established by the Sanitary Landfill Supervisor or his/her designee in the Department of Public Works.