Part 1 - Wastewater Treatment Operations (5 days)

The Wastewater Treatment Operations course is one of two wastewater treatment courses run by the department.

On completion of the Part 1 course you'll have fundamental knowledge of wastewater and its treatment, and the understanding and practical skills essential for the effective operation and performance of basic treatment works (primarily pond based and trickling filter plants).

Who should attend?

Local water utility sewage treatment works operators, engineers and managers.

Topics covered

  • Legislation; collection systems
  • Primary, secondary and tertiary treatment processes
  • Technologies covered in this course include trickling filters, oxidation ponds, aerated lagoons and basic activated sludge processes.


There is a written theory exam and an on-site assessment to determine the competencies achieved by the operator at the operator's own treatment works. The on-site assessment will be appropriate to the works being operated.

Resulting qualification

A NSW Operator Certificate to operate a Wastewater Treatment Works will be issued to each successful candidate. This course is a prerequisite for Part 2 - Wastewater Advanced Treatment course that may lead to nationally accredited Certificate III in Water Industry Treatment (Wastewater) qualification.

Course prerequisites

It is strongly recommended that operators have a minimum of 4-6 weeks experience on the treatment works prior to attending the course. It is also recommended that operators review the manual and mathematics tutorial examples prior to commencement of the course. Course notes will be supplied for pre-course study and future reference.

What is included

Course notes and on-site examination at the operator's own treatment works. Morning and afternoon tea will be provided for the five day workshop.

What is not included

Writing material, calculator, safety equipment (PPE), accommodation, meals, transport to and from the course.

Course details

Information on course dates, locations and costs can be found in the course calendar.

How to register

Download a registration form ((PDF 87.6 KB)) and submit it by email to

The department will send confirmation of receipt of your registration via email within one week. Venue details, course notes, the program and a timetable will be sent to all participants approximately six weeks before the course. Please provide details of any special dietary needs on registration.