Kiel Sewage Treatment Plant 100 E Park Ave Kiel, WI 53042 Phone : (920) 894-2133 Business Category Government Offices-City Village & Twp Legislative Bodies Kiel City Of--sewage Treatment Plant Hy Aa Kiel, WI 53042 Phone : (920) 894-2133 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools