The licence rules here match the rest of Queensland: plumbing and drainage need a QBCC licence, backflow testing is an endorsement, and your licensed name, licence number and a licensing statement go on your advertising, websites included. Our Brisbane plumbing page sets those out. In Toowoomba the water and sewerage provider is the regional council, so the systems below apply from the city out to Yarraman, Cecil Plains and Millmerran. Down the range it changes: water and sewerage in the Lockyer Valley and Somerset come from Urban Utilities, so if you take jobs in Gatton or Laidley, list them under their own heading.
Water restrictions are set town by town rather than for the region as a whole. Council’s restrictions page asks you to choose your town from a list of 29 places, Brookstead, Cabarlah, Clifton, Goombungee, Haden, Highfields, Kingsthorpe, Oakey, Pittsworth, Westbrook and Wyreema among them, and the restriction level that applies depends on the town. Low level targets 200 litres per person per day and allows outdoor watering before 10am and after 4pm on any day but Monday; medium cuts the target to 175 litres and moves hoses and sprinklers to odd and even days in a one-hour evening slot. Using council’s own town names on your service area list matches how customers think about where they live.
In August 2025 council reported 50,000 smart meters installed, which it said was 77% of the project. Installers leave a flyer on how to register for the Toowoomba Water app, which shows usage data and can send alerts about unusual flow, but only properties with a smart meter can sign up. Council expects the meters to help it find leaks in its own network sooner. On the owner’s side its guidance is plain: leaks on the property are the owner’s to fix, and a licensed plumber can test the pipes to find where the problem lies. Water bill relief applications go in online with the plumber’s account and statement attached, and council says it generally assesses them within 15 working days.
Backflow devices sit on a register that council now manages with BackflowID. QR tags are supplied free to licensed plumbers, who register for the system through council. A plumber lodges a Form 9 within 10 working days of commissioning or testing a device, and devices installed as notifiable work also need a notice to the QBCC. The annual licensing charge appears on the property’s water rates, split across the April and October bills, and owners can sign up for email reminders when a test is due. Devices tested outside BackflowID attract the higher fee.
Away from town sewerage, homes use on-site systems, and council requires a plumbing approval before one is installed or altered; servicing intervals are covered on our Toowoomba tradies page. For builders, council recommends confirming a new connection’s size with a licensed plumber or hydraulic consultant, and where strata units have their own meters, a private plumber collects and pays for them once the plumbing approval is granted. We’re an Adelaide team and work with Toowoomba plumbers by phone and email: you send your licence details, the towns you cover and photos of recent jobs, and we send a draft link to look over on your phone.