One of the latest advances in plumbing is video camera line inspection. This is a process that helps diagnose a variety of plumbing problems without having to spend a great deal of time and money on guesswork. Sewer inspections are completed for many reasons, including the following: Noise coming from pipes, backups, an over-working sump pump, over flowing downspouts or simply wanting to the see the state of your plumbing system. This can help avoid expensive future repair work and damage to your property.