Whoever by his act or failure to perform a legal duty intentionally does any of the following is guilty of maintaining a public nuisance, which is a misdemeanor:
   A.   Maintains or permits a condition which unreasonably annoys, injures, or endangers the safety, health, morals, comfort, or repose of any considerable number of members of the public; or
   B.   Interferes with, obstructs, or renders dangerous for passage, any public highway or right of way, or waters used by the public; or
   C.   Is guilty of any other act or omission declared by law or this chapter to be a public nuisance and for which no sentence is specifically provided. (Ord. 5.1, 6-5-1984)