Gravity sewers are also known as conventional sewer systems. Gravity sewers have sewer mains that run to a low point (i.e. use gravity to collect into a central location) and from here, water is pumped via large centralised pump stations to the wastewater treatment facility.
South Gippsland Water only operates one Vacuum Sewer System. This system at Port Albert operates using the differential pressure between atmospheric pressure and a partial vacuum maintained in the piping network and vacuum station collection vessel. This differential pressure allows a central vacuum station to collect the wastewater from homes and businesses. Vacuum sewers take advantage of available natural slope in the terrain and are most economical in flat sandy soils with high ground water.
South Gippsland Water is carrying out a process of connecting properties in Alberton, Poowong, Loch and Nyora to a reticulated pressure sewer system. This infrastructure upgrade tackles public health and environmental problems caused by failing septic systems.
This Pressure Sewer System utilises individual pumps located on each property which transfers wastewater from the property into the sewer main network. Customers who are connected to the system can refer to the homeowner’s guide below for further information.