One way to find out for sure is to hire a skilled sewer technician to investigate and determine if that's what you need. If you've been suffering from frequent signs of septic tank problems, you're not alone. One major sign of septic problems is when you discover sogginess and dampness in your yard. It is usually accompanied by a lingering bad odor. There is one thing you can count on, small septic tank problems can develop into more serious problems. Septic tank problems often require a composite of expensive repairs. So, the sooner you hire a professional to rectify your sewer and septic problem the better.