If you are having trouble with the main sewer line, the first thing you need to do is identify where the problem is. There are a few ways to do this. One way is to look for signs of a clog. Common signs of a clog include water backing up into your home, toilets flushing slowly, and drains that don't seem to be draining properly. Another way to determine if you have a clogged main line is to do a plumbing test. This test involves pouring water into your toilet bowl and then watching to see where it goes.

If your main line is clogged, you will likely experience one or more of the following symptoms: - Gurgling noises in your drains - Slow drainage when flushing the toilet or taking a shower - WATER BACK UP FROM THE DRAINS, especially in the basement - SEWAGE ODORS in and around your home If you are experiencing any of these symptoms, it is likely that your main line is clogged and will need to be cleared.