Licensed And State Certified. Welcome to Leth's Sewer & Septic Service! Leth's Sewer & Septic Service serves Rochester, Minnesota. Has a backed up sewer caused a toxic disaster in your basement? If you need the problem rectified as soon as possible so that you can begin cleaning up the mess, then you should give the experts at Leth's Sewer & Septic Service a call. Our licensed and state certified company provides sewer and septic system cleaning and repairs for clients throughout Rochester, Minnesota and the surrounding area. Our staff of friendly, trained professionals will be glad to answer any questions that you might have. They will work quickly to determine the problem and then rectify it. Our services include, - Sewer Pumping and Repair - Septic System Pumping, Repair, and Inspection - Electric Drain Cleaning - Excavation - Pipe and Tank Locating - Sewer Pipe Thawing - Video Pipe Inspection In addition, we also perform sump pump maintenance, toilet maintenance, backhoe work and repair, and high-pressure jet cleaning. Ask about our special discounts. Give us a call today for more information or to schedule service. Licensed and State Certified - Ask About Our Special Discounts.