Connect with Top-Rated Septic System Services in Winona!

Theis Septic Service has been in business for over 40 years, providing premier septic maintenance services in Winona County and Southeastern Minnesota. We offer a range of services, including septic tank pumping, back-washing, tank lid replacement, and rinsing, to ensure optimal performance of your septic system. Our team of experts understands the mechanical workings of every type of septic system and is committed to providing unrivaled customer service. We pride ourselves on our attention to detail, cleanliness, and customer satisfaction, and are fully insured and bonded for your peace of mind.