Welcome to Know the Flo Sewer & Drain! Since 2005, Know the Flo Sewer & Drain has been the number-one plumber in our local community of Springfield. Locally owned and family operated, we provide a personalized service to make each experience memorable. With over 43 years of experience, we are committed to providing quality work at a fair price. Our knowledgeable staff will figure out the issue and get your drain flowing again. We are a full-service plumber, with a specialty in drainage repair, garbage disposal repair, and toilets repair. Get your drain fix today!