Metung Bruthen, Johnsonville, Swan Reach Bruthen: Wastewater Treatment System Background Conventional gravity system includes: The sewerage treatment works for Metung also treats G 15.2 km of outfall rising main sewage from Bruthen, Johnsonville and Swan Reach. Serviced G 6.59 km of gravity sewer areas consist mainly of houses but there is some light industry G one main and two minor pumping stations as well as several hotels and restaurants. The volume of G Connection available to about 200 properties. sewage collected is particularly dependent on tourist numbers Swan Reach: and peaks during summer and Easter times. Conventional gravity system includes: G Main pump stations each side of Tambo River The original design and construction during 1991/2 served G 110mm diam. HDPE rising main within township Metung only. The Johnsonville and Swan Reach Sewerage G 100mm nominal diameter outfall rising main Scheme was commissioned in 1998, and the Bruthen Scheme G during 2004. Both schemes connect to the Metung Sewerage System connections – approximately 89. Johnsonville: Treatment Works. Conventional gravity system includes: G Main sewage pumping station Wastewater treatment process G Minor pump station and 63mm diam. rising main G 150mm diameter outfall rising main Pumping stations at Bruthen, Swan Reach, Johnsonville and G System connections – approximately 82 Metung all pump sewage to the Metung wastewater treatment ponds off Normans Road. The treatment plant consists of two Facultative Lagoons which facilitate a biological treatment Some facts and figures process. Sewage is treated for a minimum of 60 days. Average Daily Flow = 0.28 Ml/day The treated reclaimed water is then pumped to East Gippsland Raw Sewage B.O.D. = 250 mg/l Water’s irrigation farm at nearby Reynolds Road where the water Raw Sewage Suspended Solids = 230 mg/l is stored in a Winter Storage Lagoon for use when an irrigation Final Effluent Ave. B.O.D. = 10 mg/l demand is present between the months of October and April Final Effluent Ave. Suspended Solids = 16 mg/l inclusive. Irrigation water is applied by a flood system, with separate laser-graded bays. EPA effluent discharge licence Maximum Discharge Flow rate = 0.35 Ml/d Laboratory testing Maximum B.O.D. = 50 mg/l Maximum Suspended Solids = 50 mg/l Testing is carried out by an independent National Association of B.O.D. = Biological Oxygen Demand Testing Authority (NATA) approved laboratory to ensure the plant Ml/d = megalitres per day complies with Environment Protection Authority (EPA) licence mg/l = milligrams per litre standards. Bairnsdale Office: 133 Macleod Street, Bairnsdale, 3875 Sewer collection systems Ph: (03) 5150 4444 Metung: For further information: Lakes Entrance Depot: Golf Links Road, Lakes Entrance Conventional gravity system includes: Ph: (03) 5155 1367 G six pumping stations Ph: (03) 5150 4444 24 Hour Emergency: 1300 134 202 G System connections - approximately 520 24 Hour Emergency: 1300 134 202 Fax: (03) 5150 4477 E-mail: [email protected] Visit our website: www.egwater.vic.gov.au RWS4 ➜ Metung wastewater treatment plant Schematic diagram wastewaterEAST GIPPSLAND WATER System accepts sewage from Bruthen, Johnsonville, Swan Reach, Metung EGW’s Reynolds Road wastewater treatment lagoons and irrigated pasture 4 Bruthen Pasture irrigation bays 1 Swan Reach Pump Johnsonville 5 3 2 1 Primary Facultative Lagoon 2 Secondary Facultative Lagoon and storage 3 Winter Storage Lagoon 4 Flood irrigation run-off catchment drain and storage 5 Pump Sewage inflow Reclaimed water flow Metung Village.