Any violation of the provisions of this chapter by any person
shall be unlawful and shall be referred to the municipal attorney
who shall expeditiously prosecute all such violators. A violator shall,
upon conviction, forfeit to the City a penalty of not more than $50,
together with a taxable cost of such action. Each day of continued
violation shall constitute a separate offense. Every violation of
this chapter is a public nuisance and the creation may be enjoined
and the maintenance may be abated by action at suit of the City, the
state, or any citizen thereof pursuant to § 87.30, Wis.
Stats.