Placing tacks on a sidewalk is considered a public nuisance.

845.010. Public Nuisances Affecting Peace, Safety and General Welfare.

The following are declared to be nuisances affecting public peace, safety and general welfare:

1. interfering with, obstructing or rendering dangerous for passage, a public highway or right-of-way, or waters used by the public;

2. leaving or displaying anything for sale on public or private property, if written permission of the owner or person in control of the property is not conspicuously displayed on the item for sale;

3. trees, hedges, billboards or other obstructions that prevent persons from having a clear view of traffic approaching an intersection;

4. piling, storing or keeping of old machinery, junk, furniture, household furnishings or appliances or component parts of them or other debris;

5. placing or throwing on any street, sidewalk, or other public property of any glass, tacks, nails, bottles or other substances that may injure a person or animal or damage any pneumatic tire;

6. depositing of, permitting or failing to remove, garbage, trash, rubbish, bottles, cans and other refuse on any property, including large quantities of organic debris and materials that accumulated by other than natural means, except neatly maintained compost piles;

7. property in a residential zoning district not seeded, sodded, or otherwise planted with a ground cover within 240 days after any disturbance to the property caused by construction, grading, or other activity, or at any time prior to the 240 days if the property is causing erosion or drainage problems on the same or nearby properties, including public streets;

8. the accumulation of any piles of wood that are not:

a. neatly stacked; or

b. stacked or secured in a stable manner to avoid collapse.

9. a structure, or a portion of a structure, located in a residential zoning district, if the exterior is not completed in accordance with city-approved construction plans within 180 days after the date that the city building permit was issued;

10. construction materials, including piles of dirt, sand, and sod, left in the open on property more than 60 days after construction has been completed or a certificate of occupancy has been issued, whichever occurred first;

11. a truck or other vehicle whose wheels or tires deposit mud, dirt, sticky substances, litter or other material on any street or highway;

12. discarded construction material or other litter at a construction site that is not placed in an adequate waste container or that is allowed to blow around or off the site;

13. reflected glare or light from private exterior lighting exceeding five-tenth footcandles as measured on the property line of the property where the lighting is located when abutting any residential parcel and one footcandle when abutting any commercial or industrial parcel; and

14. the placement of mailboxes and other delivery receptacles on public right of way, except those that comply with the following:

a. must be in compliance with united states postal service requirements for location and type;

b. must be installed as far back from the street pavement as reasonably practical to avoid snow plowing damage; c. must be located within four feet of the intersection of a side property line with the street, or located in front of, and on the same side of the street as, the building it serves; and d. must be located as a group in one place within four feet of a side property line and as close to the beginning of a cul-de-sac bulb as possible if the mailboxes and delivery receptacles serve buildings fronting and on the circular portion of a cul-de-sac endpoint, also known as a bulb.