In This Section
An OSSM is part of the plumbing system on an unsewered property, and normally includes a tank for treating raw sewage and a disposal system. Types of OSSM systems include:
These systems include sewage management facilities that treat domestic sewage from up to 10 persons with an average daily flow of less than 2000 litres.
There may be an issue with the system if any of the following are occurring.
If using subsurface disposal
If using surface irrigation