Upon the failure, neglect or refusal of any owner or owners, or person(s) in possession, to exterminate or remove nuisance weeds growing, lying or located upon the property of the owner or upon one--half of any road or street lying next to the property before the date specified in the notice, the responsible city official may exterminate or remove such nuisance weeds. Such official shall report to the city clerk the costs of such extermination. The clerk shall make an additional charge of ten percent to cover administrative costs. The total costs shall be assessed against the property from which or adjoining which the nuisance weeds have been exterminated or removed. The clerk shall cause the aforesaid costs to become a special tax and a lien against the property involved. (Ord. 616 § 1, 1999)