Planned Network Cleaning and Maintenance Water flushingFlushing is when water is released from a fire hydrant or access point at a high flow rate and is used to clean our water mains. Water is released and tested until it either returns to a clear appearance or the turbidity levels are within the Australian Drinking Water Guidelines.Find out more about Water FlushingScheduled times:7.30am - 4.30pm weekdays Scheduled Locations: There are currently no locations scheduled for flushing. Sewer flushingSewer cleaning removes unwanted materials, such as non-biodegradable debris or grease and sludge build-up, from a pipe.Find out more about Sewer FlushingScheduled Times:9.00 am - 4.00 pm weekdays Scheduled Locations: There are currently no locations scheduled for flushing Stormwater out of sewer - inflow and infiltration testingOur sewerage network is not designed to manage the inflow and infiltration of stormwater during rainfall. Inflow is where stormwater enters the sewerage network, generally via private plumbing that is incorrectly connected to the sewer.Infiltration is stormwater entering the sewerage network, generally by seeping through cracked, or unsealed underground infrastructure.Find out more about keeping Stormwater out of the Sewer Further Information Learn more about planned maintenance and cleaning by clicking on one of the links below. Help us protect Tasmanian waterways and parklands Keep stormwater out of the sewer Read more Sewer flushing information Sewer flushing occurs so we can ensure your sewage pipes are clear of blockages and working as efficiently as possible. Read more Water flushing information Flushing is when water is released from a fire hydrant or access point at a high flow rate and is used to clean our water mains. Read more