A failing septic system can create damage that will be expensive to fix. However, cost is not the only worry of a failing septic system. Septic system failure can actually be quire hazardous to your health and the environment around you. Because septic systems are responsible for filtering harmful bacteria out of waste, failure can cause these bacteria to be released into the environment. The following issues can occur when you fail to perform regular maintenance on your septic system, causing it to fail.