What length of leach drain do I need?

Certain elements determine the length of your leach drain. Requirements from the Department of Health are also in place to guide you.

The length of your leach drain is determined by the type of soil and the number of bedrooms in your house. Requirements from the Department of Health are outlined in the table below. Note that these requirements may vary depending on individual council stipulations.

table for determining leach drain length

Source:

Western Australia Health Act 1911 - Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Regulations 1974