In Ontario alone, there are more than 1.2 million on-site wastewater treatment systems. This term is used to describe all the various types of systems that treat wastewater with the vast majority being conventional septic systems. Septic systems are a good way to treat waste – as long as they are functioning properly. Faulty septic systems can be extremely hazardous since improperly treated effluent can harm both your health and the health of the environment. What Is a Septic