A clogged sewer line can be a real headache. Before you call a plumber, try these troubleshooting steps yourself to see if you can get things flowing again. First, look for signs of a clog in your sinks and toilets. http://www.peeplocal.com/business-articles/avoiding-sewer-pipe-harm-tips-for-long-lasting-pipe-wellbeing-and-fewer-repairs