This code of practice provides standards and guidance to ensure the management of onsite wastewater (up to 5000 L/day) protects public health and the environment, and uses our resources efficiently. It has been written to support the onsite wastewater industry, regulators and premise owners design, install and/or manage sustainable sanitation and re-use systems in accordance with the Environment Protection Act 1970 and the State environment protection policies Waters of Victoria (SEPP WoV) and Groundwaters of Victoria (GoV).