Household water systems

Greywater systems

 Greywater is wastewater from washing machines, showers and laundry sinks which can be used for irrigation, toilet flushing and washing machines. It cannot be used for drinking water, watering vegetables or topping up rainwater tanks or swimming pools, and cannot be sourced from kitchen sinks or toilets.

Greywater can be reused through manual bucketing, diversion or treatment. Council approval is required for greywater treatment systems.Rainwater diagram.jpg

Download the Application for Waste Treatment Plant (pdf. 225KB) to apply to install, construct or alter your greywater treatment system.

Water for Life – Guidelines for Greywater (pdf. 1MB)

NSW Health – Accredited Greywater Systems

Rainwater tanks

In most cases Council approval is not required for rainwater tanks if they meet the criteria listed under Subdivisions 32 and 33 in the State Environmental Planning Policy (Exempt and Complying Development Codes) 2008 and the State Environmental Planning Policy (Infrastructure) 2007.

More information on rainwater tanks and potential rebates can be found here

Sewage systems

If you live in a house that’s not connected to the main Sydney Water sewage system you’ll need to install the best system possible to dispose of your wastewater. Council approval is required for all on-site sewage systems such as septic tanks to prevent the spread of disease, contamination and odour. 

For houses with existing connections to the urban sewerage system, property owners are responsible for the maintenance of the private water and sewerage pipes on their properties up to the connection point. In the event of a blockage or overflow at your property, you should contact a licensed plumber. More information on the responsibilities of connected customers can be found on the Sydney Water website.

If you notice a waste water leak in a public space such as on a road, park or footpath, please report this immediately to Sydney Water on their webpage or on 13 20 90

Download the Application for Waste Treatment Plant (pdf. 225KB) to apply to install, construct or alter your sewage system.

Easy Septic Guide (pdf. 987KB)

Septic Safe – Environment and Health Guidelines for On-site Sewage Management

NSW Health – Wastewater and Sewage