Law Enforcement Agencies in Decker, WI WI › Ozaukee County Agencies serving the city of Decker in WI. Agency Types in Decker Coroners 1 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Decker, WI Ozaukee County Coroners Office Ozaukee County Ozaukee County Jail Ozaukee County Ozaukee County Sheriffs Department Ozaukee County Port Washington Police Department Ozaukee County
