Wyo. Stat. § 15-4-204
The manager shall enforce all statutes, ordinances and regulations relative to the public health, comfort and safety. If the owner or occupant of property deposits or allows the accumulation of garbage, offal, manure or rubbish of any kind upon it, or in the streets or alleys upon which it abuts, or permits weeds to grow and remain on the property, in violation of any statute or ordinance, the manager shall serve notice upon the occupant, or the owner or his agent, to remove the rubbish or weeds. If they are not removed within one (1) day after service of notice, the manager shall have them removed. The cost of removal shall be assessed against the property and constitutes a lien thereon. The owner shall be notified of the amount assessed, and if it is not paid, it shall be collected in the same manner as other special assessments.
W.S. 15-4-204