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Wastewater
Wastewater from individual houses, units and businesses enters a network of wastewater pipes that all ultimately travel to a wastewater treatment facility, where it can be processed.

At our wastewater treatment plant, we treat the wastewater before it is reused or discharged to the Hunter River in accordance with strict licence conditions issued by the Department of Environment and Heritage. Wastewater is therefore treated to a very high standard and clear effluent is discharged to waterways or reused where it is economically and environmentally beneficial.

We maintain an extensive system to transport wastewater, which includes 135 km of sewer main systems and 14 pumping stations, as well as the wastewater treatment plant.

Wastewater Systems

Wastewater systems usually have three main components - property connections, collection and transfer systems and wastewater treatment plants. From the wastewater treatment plant the treated effluent is either released to the environment via waterways, irrigation to land, or sea.

Property connections are the pipes that carry wastewater from each house, shop or building to our reticulated wastewater mains.

The wastewater collection and transfer system is the network of underground pipes (sewers), manholes and pumping stations that transport the wastewater to Singleton Council's wastewater treatment facilities. Pumping stations are occasionally needed to pump wastewater up hill through a rising main. From here, gravity takes over again and the wastewater flows to our wastewater treatment plants.

Domestic Wastewater

Domestic wastewater is the used water from the toilet, drains, baths, showers, sinks and washing machines from homes and industry. Domestic wastewater does not include the rain that falls on the roof of your house and travels down the downpipe, or the water that runs into the gutters at the front of your house. This water enters the stormwater system and is discharged untreated into waterways or the sea. The stormwater system operates independently of Singleton Council's wastewater system and is the responsibility of the owner to ensure that stormwater does not enter the Sewer System.

Environmental Safeguards for Wastewater

The Department of Environment and Heritage issues licences under the Protection of the Environment Operations Act (1997) for Singleton Council's wastewater pipe network and treatment systems. The licences stipulate both quality and quantity conditions for discharge from the wastewater treatment plant and are reviewed every three years under the legislation. The licences also specify operational controls and reporting for the pipe network and pump stations. To view this licence, visit New South Wales Environmental Protection Authority (EPA).


Singleton Council
PO Box 314 Singleton NSW 2330
Ph: 02 6578 7290