Any development, building or structure or accessory building
or structure constructed, altered, added to, modified, rebuilt or
replaced or any use or accessory use established after the effective
date of this chapter in violation of the provisions of this chapter
by any person, firm, association, or corporation (including building
contractors or their agents) shall be deemed a violation. The Zoning
Administrator shall refer violations to the municipal planning agency
and the District Attorney or Municipal Attorney who shall prosecute
such violations. Any person, firm, association, or corporation who
or which violates or refuses to comply with any of the provisions
of this chapter shall be subject to a forfeiture of not more than
$50 per offense, together with the taxable costs 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 thereof
may be enjoined and the maintenance thereof may be abated by action
at suit of the municipality, the state, or any citizen thereof pursuant
to § 87.30(2), Wis. Stats.