Wastewater Treatment Facility W Lockwood Prairie Du Chien, WI 53821 Phone : (608) 326-8534 Business Category Regulation & Admin Of Communications Electric Gas & Other Utilities Prairie Du Chien City Government--wastewater Treatment Facilities W Lockwood St Prairie Du Chien, WI 53821 Phone : (608) 326-8534 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools