Would you recognize if your pipes need to be relined? What signs come with a failing pipe? Aside from an obvious leaking pipe or a drain that will not drain at all, most people do not know what the signs are of a sewer pipe that no longer functions as it should. That is where Drain Doctor Plumbing & Rooter can help. We will have one of our experienced plumbers in Glendora, CA come out and inspect your sewer pipe. That way, you know what is going on and how it can be fixed.