Oettinger Excavating & Septic's underground utility division specializes in the installation/repair of storm sewer, sanitary sewer, water main and culvert pipe. Our crews and management have a wide variety of experience in working with municipalities, homeowners, the Wisconsin DOT, site developers and general contractors to install underground utilities. Our fleet of equipment combined with our highly skilled and professional team ensures your underground utility project will be completed safely, correctly and on time!