Can You Pass This Basic Plumbing Quiz?Share:FacebookPinterestTwitterMailHow can you tell if there's an issue with your septic tank?24%Next Correct Incorrect Clogged pipes and unpleasant odors are key signs of a failing septic system. How can you tell if there's an issue with your septic tank? Sinks and showers drain slowly Bad odors surround your tank Allof the above Standing water around your drainfield 24%