City of Sioux City Categories Government PO Box 447 Sioux City IA 51102-0447 (712) 279-6102 (712) 279-6105 Visit Website About Us Governmental Agencies, Entities & Individuals Rep/Contact Info Jason Allen × Jason Allen Transit Operations Supervisor Nicki Baker × Nicki Baker Waste Water Darrel Bullock × Darrel Bullock Code Enforcement Manager Rachael Eskins × Rachael Eskins Recreation Coordinator Stefanie Konz × Stefanie Konz Administrative Secretary Arah Montagne × Arah Montagne Environmental Services Program & Development Mgr Gordon Phair × Gordon Phair City Engineer Tom Pingel × Tom Pingel Waste Water Julie Schoenherr × Julie Schoenherr City Council Brittany Scott × Brittany Scott Estephanie Valdez × Estephanie Valdez Administrative Assistant, Utilities Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×