Denmark Wastewater Plant 406 Mahlik Ln Denmark, WI 54208 Phone : (920) 863-8401 Business Category Government Offices-City Village & Twp Legislative Bodies Denmark Village Government--wastewater Treatment Plant Highway 96 Denmark, WI 54208 Phone : (920) 863-8401 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools