Any violation of the provisions of this Part 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 municipality 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 Part is a public nuisance, and the creation may be enjoined and
the maintenance may be abated by action at suit of the municipality,
the state, or any citizen thereof pursuant to § 87.30, Wis.
Stats.