If your sewer line keeps backing up—or someone has told you it needs to be repaired or replaced—the next question is usually a pretty big one: Do we fix the bad section, or does the whole line really need to be replaced? In Northern Kentucky, we see plenty of older clay and cast iron sewer lines, but age alone doesn't answer that question. What matters more is where the problem is, how much of the line is affected, and what condition the rest of the pipe is actually in. Under